- 11 Aug, 2022 14 commits
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Ben Dooks authored
Running sparse shows cpu_ops_spinwait.c is missing two definitions found in head.h, so include it to stop the following warnings: arch/riscv/kernel/cpu_ops_spinwait.c:15:6: warning: symbol '__cpu_spinwait_stack_pointer' was not declared. Should it be static? arch/riscv/kernel/cpu_ops_spinwait.c:16:6: warning: symbol '__cpu_spinwait_task_pointer' was not declared. Should it be static? Signed-off-by:
Ben Dooks <ben.dooks@sifive.com> Link: https://lore.kernel.org/r/20220713215306.94675-1-ben.dooks@sifive.com Fixes: c78f94f3 ("RISC-V: Use __cpu_up_stack/task_pointer only for spinwait method") Cc: stable@vger.kernel.org Signed-off-by:
Palmer Dabbelt <palmer@rivosinc.com>
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Ben Dooks authored
The cpu_ops_spinwait is used in a couple of places in arch/riscv and is causing a sparse warning due to no declaration. Add this to <asm/cpu_ops.h> with the others to fix the following: arch/riscv/kernel/cpu_ops_spinwait.c:16:29: warning: symbol 'cpu_ops_spinwait' was not declared. Should it be static? Signed-off-by:
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Mark Kettenis authored
The PLIC integrated on the Vic_U7_Core integrated on the StarFive JH7100 SoC actually supports 133 external interrupts. 127 of these are exposed to the outside world; the remainder are used by other devices that are part of the core-complex such as the L2 cache controller. But all 133 interrupts are external interrupts as far as the PLIC is concerned. Fix the property so that the driver can manage these additional interrupts, which is important since the interrupts for the L2 cache controller are enabled by default. Fixes: ec85362f ("RISC-V: Add initial StarFive JH7100 device tree") Signed-off-by:
Mark Kettenis <kettenis@openbsd.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20220707185529.19509-1-kettenis@openbsd.orgSigned-off-by:
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Emil Renner Berthing authored
This adds the two PWM controlled LEDs to the HiFive Unmatched device tree. D12 is just a regular green diode, but D2 is an RGB diode with 3 PWM inputs controlling the three different colours. Signed-off-by:
Emil Renner Berthing <emil.renner.berthing@canonical.com> Reviewed-by:
Geert Uytterhoeven <geert+renesas@glider.be> Acked-by:
Pavel Machek <pavel@ucw.cz> Tested-by:
Ron Economos <re@w6rz.net> Link: https://lore.kernel.org/r/20220705210143.315151-5-emil.renner.berthing@canonical.comSigned-off-by:
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Masahiro Yamada authored
The .incbin assembler directive is much faster than bin2c + $(CC). Do similar refactoring as in commit 4c0f032d ("s390/purgatory: Omit use of bin2c"). Please note the .quad directive matches to size_t in C (both 8 byte) because the purgatory is compiled only for the 64-bit kernel. (KEXEC_FILE depends on 64BIT). Signed-off-by:
Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20220625223438.835408-2-masahiroy@kernel.orgSigned-off-by:
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Masahiro Yamada authored
The purgatory/ directory is entirely guarded in arch/riscv/Kbuild. CONFIG_ARCH_HAS_KEXEC_PURGATORY is bool type. $(CONFIG_ARCH_HAS_KEXEC_PURGATORY) is always 'y' when Kbuild visits this Makefile for building. Signed-off-by:
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Palmer Dabbelt authored
A handful of fixes to our kexec/crash kernel support that allow crash tool to function. Link: https://lore.kernel.org/r/mhng-f5fdaa37-e99a-4214-a297-ec81f0fed0c1@palmer-mbp2014 * commit 'f9293ad4': RISC-V: Add modules to virtual kernel memory layout dump RISC-V: Fixup schedule out issue in machine_crash_shutdown() RISC-V: Fixup get incorrect user mode PC for kernel mode regs RISC-V: kexec: Fixup use of smp_processor_id() in preemptible context
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Xianting Tian authored
Modules always live before the kernel, MODULES_END is fixed but MODULES_VADDR isn't fixed, it depends on the kernel size. Let's add it to virtual kernel memory layout dump. As MODULES is only defined for CONFIG_64BIT, so we dump it when CONFIG_64BIT=y. eg, MODULES_VADDR - MODULES_END 0xffffffff01133000 - 0xffffffff80000000 Reviewed-by:
Guo Ren <guoren@kernel.org> Reviewed-by:
Heiko Stuebner <heiko@sntech.de> Signed-off-by:
Xianting Tian <xianting.tian@linux.alibaba.com> Link: https://lore.kernel.org/r/20220811074150.3020189-5-xianting.tian@linux.alibaba.com Cc: stable@vger.kernel.org Fixes: 2bfc6cd8 ("riscv: Move kernel mapping outside of linear mapping") Signed-off-by:
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Krzysztof Kozlowski authored
Use existing stringify macro from the kernel headers. Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by:
Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20220623112905.253157-1-krzysztof.kozlowski@linaro.orgSigned-off-by:
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Xianting Tian authored
Current task of executing crash kexec will be schedule out when panic is triggered by RCU Stall, as it needs to wait rcu completion. It lead to inability to enter the crash system. The implementation of machine_crash_shutdown() is non-standard for RISC-V according to other Arch's implementation(eg, x86, arm64), we need to send IPI to stop secondary harts. [224521.877268] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [224521.883471] rcu: 0-...0: (3 GPs behind) idle=cfa/0/0x1 softirq=3968793/3968793 fqs=2495 [224521.891742] (detected by 2, t=5255 jiffies, g=60855593, q=328) [224521.897754] Task dump for CPU 0: [224521.901074] task:swapper/0 state:R running task stack: 0 pid: 0 ppid: 0 flags:0x00000008 [224521.911090] Call Trace: [224521.913638] [<ffffffe000c432de>] __schedule+0x208/0x5ea [224521.918957] Kernel panic - not syncing: RCU Stall [224521.923773] bad: scheduling from the idle thread! [224521.928571] CPU: 2 PID: 0 Comm: swapper/2 Kdump: loaded Tainted: G O 5.10.113-yocto-standard #1 [224521.938658] Call Trace: [224521.941200] [<ffffffe00020395c>] walk_stackframe+0x0/0xaa [224521.946689] [<ffffffe000c34f8e>] show_stack+0x32/0x3e [224521.951830] [<ffffffe000c39020>] dump_stack_lvl+0x7e/0xa2 [224521.957317] [<ffffffe000c39058>] dump_stack+0x14/0x1c [224521.962459] [<ffffffe000243884>] dequeue_task_idle+0x2c/0x40 [224521.968207] [<ffffffe000c434f4>] __schedule+0x41e/0x5ea [224521.973520] [<ffffffe000c43826>] schedule+0x34/0xe4 [224521.978487] [<ffffffe000c46cae>] schedule_timeout+0xc6/0x170 [224521.984234] [<ffffffe000c4491e>] wait_for_completion+0x98/0xf2 [224521.990157] [<ffffffe00026d9e2>] __wait_rcu_gp+0x148/0x14a [224521.995733] [<ffffffe0002761c4>] synchronize_rcu+0x5c/0x66 [224522.001307] [<ffffffe00026f1a6>] rcu_sync_enter+0x54/0xe6 [224522.006795] [<ffffffe00025a436>] percpu_down_write+0x32/0x11c [224522.012629] [<ffffffe000c4266a>] _cpu_down+0x92/0x21a [224522.017771] [<ffffffe000219a0a>] smp_shutdown_nonboot_cpus+0x90/0x118 [224522.024299] [<ffffffe00020701e>] machine_crash_shutdown+0x30/0x4a [224522.030483] [<ffffffe00029a3f8>] __crash_kexec+0x62/0xa6 [224522.035884] [<ffffffe000c3515e>] panic+0xfa/0x2b6 [224522.040678] [<ffffffe0002772be>] rcu_sched_clock_irq+0xc26/0xcb8 [224522.046774] [<ffffffe00027fc7a>] update_process_times+0x62/0x8a [224522.052785] [<ffffffe00028d522>] tick_sched_timer+0x9e/0x102 [224522.058533] [<ffffffe000280c3a>] __hrtimer_run_queues+0x16a/0x318 [224522.064716] [<ffffffe0002812ec>] hrtimer_interrupt+0xd4/0x228 [224522.070551] [<ffffffe0009a69b6>] riscv_timer_interrupt+0x3c/0x48 [224522.076646] [<ffffffe000268f8c>] handle_percpu_devid_irq+0xb0/0x24c [224522.083004] [<ffffffe00026428e>] __handle_domain_irq+0xa8/0x122 [224522.089014] [<ffffffe00062f954>] riscv_intc_irq+0x38/0x60 [224522.094501] [<ffffffe000201bd4>] ret_from_exception+0x0/0xc [224522.100161] [<ffffffe000c42146>] rcu_eqs_enter.constprop.0+0x8c/0xb8 With the patch, it can enter crash system when RCU Stall occur. Fixes: e53d2818 ("RISC-V: Add kdump support") Signed-off-by:
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Xianting Tian authored
When use 'echo c > /proc/sysrq-trigger' to trigger kdump, riscv_crash_save_regs() will be called to save regs for vmcore, we found "epc" value 00ffffffa5537400 is not a valid kernel virtual address, but is a user virtual address. Other regs(eg, ra, sp, gp...) are correct kernel virtual address. Actually 0x00ffffffb0dd9400 is the user mode PC of 'PID: 113 Comm: sh', which is saved in the task's stack. [ 21.201701] CPU: 0 PID: 113 Comm: sh Kdump: loaded Not tainted 5.18.9 #45 [ 21.201979] Hardware name: riscv-virtio,qemu (DT) [ 21.202160] epc : 00ffffffa5537400 ra : ffffffff80088640 sp : ff20000010333b90 [ 21.202435] gp : ffffffff810dde38 tp : ff6000000226c200 t0 : ffffffff8032be7c [ 21.202707] t1 : 0720072007200720 t2 : 30203a7375746174 s0 : ff20000010333cf0 [ 21.202973] s1 : 0000000000000000 a0 : ff20000010333b98 a1 : 0000000000000001 [ 21.203243] a2 : 0000000000000010 a3 : 0000000000000000 a4 : 28c8f0aeffea4e00 [ 21.203519] a5 : 28c8f0aeffea4e00 a6 : 0000000000000009 a7 : ffffffff8035c9b8 [ 21.203794] s2 : ffffffff810df0a8 s3 : ffffffff810df718 s4 : ff20000010333b98 [ 21.204062] s5 : 0000000000000000 s6 : 0000000000000007 s7 : ffffffff80c4a468 [ 21.204331] s8 : 00ffffffef451410 s9 : 0000000000000007 s10: 00aaaaaac0510700 [ 21.204606] s11: 0000000000000001 t3 : ff60000001218f00 t4 : ff60000001218f00 [ 21.204876] t5 : ff60000001218000 t6 : ff200000103338b8 [ 21.205079] status: 0000000200000020 badaddr: 0000000000000000 cause: 0000000000000008 With the incorrect PC, the backtrace showed by crash tool as below, the first stack frame is abnormal, crash> bt PID: 113 TASK: ff60000002269600 CPU: 0 COMMAND: "sh" #0 [ff2000001039bb90] __efistub_.Ldebug_info0 at 00ffffffa5537400 <-- Abnormal #1 [ff2000001039bcf0] panic at ffffffff806578ba #2 [ff2000001039bd50] sysrq_reset_seq_param_set at ffffffff8038c030 #3 [ff2000001039bda0] __handle_sysrq at ffffffff8038c5f8 #4 [ff2000001039be00] write_sysrq_trigger at ffffffff8038cad8 #5 [ff2000001039be20] proc_reg_write at ffffffff801b7edc #6 [ff2000001039be40] vfs_write at ffffffff80152ba6 #7 [ff2000001039be80] ksys_write at ffffffff80152ece #8 [ff2000001039bed0] sys_write at ffffffff80152f46 With the patch, we can get current kernel mode PC, the output as below, [ 17.607658] CPU: 0 PID: 113 Comm: sh Kdump: loaded Not tainted 5.18.9 #42 [ 17.607937] Hardware name: riscv-virtio,qemu (DT) [ 17.608150] epc : ffffffff800078f8 ra : ffffffff8008862c sp : ff20000010333b90 [ 17.608441] gp : ffffffff810dde38 tp : ff6000000226c200 t0 : ffffffff8032be68 [ 17.608741] t1 : 0720072007200720 t2 : 666666666666663c s0 : ff20000010333cf0 [ 17.609025] s1 : 0000000000000000 a0 : ff20000010333b98 a1 : 0000000000000001 [ 17.609320] a2 : 0000000000000010 a3 : 0000000000000000 a4 : 0000000000000000 [ 17.609601] a5 : ff60000001c78000 a6 : 000000000000003c a7 : ffffffff8035c9a4 [ 17.609894] s2 : ffffffff810df0a8 s3 : ffffffff810df718 s4 : ff20000010333b98 [ 17.610186] s5 : 0000000000000000 s6 : 0000000000000007 s7 : ffffffff80c4a468 [ 17.610469] s8 : 00ffffffca281410 s9 : 0000000000000007 s10: 00aaaaaab5bb6700 [ 17.610755] s11: 0000000000000001 t3 : ff60000001218f00 t4 : ff60000001218f00 [ 17.611041] t5 : ff60000001218000 t6 : ff20000010333988 [ 17.611255] status: 0000000200000020 badaddr: 0000000000000000 cause: 0000000000000008 With the correct PC, the backtrace showed by crash tool as below, crash> bt PID: 113 TASK: ff6000000226c200 CPU: 0 COMMAND: "sh" #0 [ff20000010333b90] riscv_crash_save_regs at ffffffff800078f8 <--- Normal #1 [ff20000010333cf0] panic at ffffffff806578c6 #2 [ff20000010333d50] sysrq_reset_seq_param_set at ffffffff8038c03c #3 [ff20000010333da0] __handle_sysrq at ffffffff8038c604 #4 [ff20000010333e00] write_sysrq_trigger at ffffffff8038cae4 #5 [ff20000010333e20] proc_reg_write at ffffffff801b7ee8 #6 [ff20000010333e40] vfs_write at ffffffff80152bb2 #7 [ff20000010333e80] ksys_write at ffffffff80152eda #8 [ff20000010333ed0] sys_write at ffffffff80152f52 Fixes: e53d2818 ("RISC-V: Add kdump support") Co-developed-by:
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Xianting Tian authored
Use __smp_processor_id() to avoid check the preemption context when CONFIG_DEBUG_PREEMPT enabled, as we will enter crash kernel and no return. Without the patch, [ 103.781044] sysrq: Trigger a crash [ 103.784625] Kernel panic - not syncing: sysrq triggered crash [ 103.837634] CPU1: off [ 103.889668] CPU2: off [ 103.933479] CPU3: off [ 103.939424] Starting crashdump kernel... [ 103.943442] BUG: using smp_processor_id() in preemptible [00000000] code: sh/346 [ 103.950884] caller is debug_smp_processor_id+0x1c/0x26 [ 103.956051] CPU: 0 PID: 346 Comm: sh Kdump: loaded Not tainted 5.10.113-00002-gce03f03bf4ec-dirty #149 [ 103.965355] Call Trace: [ 103.967805] [<ffffffe00020372a>] walk_stackframe+0x0/0xa2 [ 103.973206] [<ffffffe000bcf1f4>] show_stack+0x32/0x3e [ 103.978258] [<ffffffe000bd382a>] dump_stack_lvl+0x72/0x8e [ 103.983655] [<ffffffe000bd385a>] dump_stack+0x14/0x1c [ 103.988705] [<ffffffe000bdc8fe>] check_preemption_disabled+0x9e/0xaa [ 103.995057] [<ffffffe000bdc926>] debug_smp_processor_id+0x1c/0x26 [ 104.001150] [<ffffffe000206c64>] machine_kexec+0x22/0xd0 [ 104.006463] [<ffffffe000291a7e>] __crash_kexec+0x6a/0xa4 [ 104.011774] [<ffffffe000bcf3fa>] panic+0xfc/0x2b0 [ 104.016480] [<ffffffe000656ca4>] sysrq_reset_seq_param_set+0x0/0x70 [ 104.022745] [<ffffffe000657310>] __handle_sysrq+0x8c/0x154 [ 104.028229] [<ffffffe0006577e8>] write_sysrq_trigger+0x5a/0x6a [ 104.034061] [<ffffffe0003d90e0>] proc_reg_write+0x58/0xd4 [ 104.039459] [<ffffffe00036cff4>] vfs_write+0x7e/0x254 [ 104.044509] [<ffffffe00036d2f6>] ksys_write+0x58/0xbe [ 104.049558] [<ffffffe00036d36a>] sys_write+0xe/0x16 [ 104.054434] [<ffffffe000201b9a>] ret_from_syscall+0x0/0x2 [ 104.067863] Will call new kernel at ecc00000 from hart id 0 [ 104.074939] FDT image at fc5ee000 [ 104.079523] Bye... With the patch we can got clear output, [ 67.740553] sysrq: Trigger a crash [ 67.744166] Kernel panic - not syncing: sysrq triggered crash [ 67.809123] CPU1: off [ 67.865210] CPU2: off [ 67.909075] CPU3: off [ 67.919123] Starting crashdump kernel... [ 67.924900] Will call new kernel at ecc00000 from hart id 0 [ 67.932045] FDT image at fc5ee000 [ 67.935560] Bye... Fixes: 0e105f1d ("riscv: use hart id instead of cpu id on machine_kexec") Reviewed-by:
Atish Patra <atishp@rivosinc.com> Signed-off-by:
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Dao Lu authored
Implement support for the ZiHintPause extension. The PAUSE instruction is a HINT that indicates the current hart’s rate of instruction retirement should be temporarily reduced or paused. Reviewed-by:
Dao Lu <daolu@rivosinc.com> [Palmer: Some minor merge conflicts.] Link: https://lore.kernel.org/all/20220620201530.3929352-1-daolu@rivosinc.com/ Link: https://lore.kernel.org/all/20220811053356.17375-1-palmer@rivosinc.com/Signed-off-by:
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Palmer Dabbelt authored
This series is based on the alternatives changes done in my svpbmt series and thus also depends on Atish's isa-extension parsing series. It implements using the cache-management instructions from the Zicbom- extension to handle cache flush, etc actions on platforms needing them. SoCs using cpu cores from T-Head like the Allwinne D1 implement a different set of cache instructions. But while they are different, instructions they provide the same functionality, so a variant can easly hook into the existing alternatives mechanism on those. [Palmer: Some minor fixups, including a RISCV_ISA_ZICBOM dependency on MMU that's probably not strictly necessary. The Zicbom support will trip up sparse for users that have new toolchains, I just sent a patch.] Link: https://lore.kernel.org/all/20220706231536.2041855-1-heiko@sntech.de/ Link: https://lore.kernel.org/linux-sparse/20220811033138.20676-1-palmer@rivosinc.com/T/#u * palmer/riscv-zicbom: riscv: implement cache-management errata for T-Head SoCs riscv: Add support for non-coherent devices using zicbom extension dt-bindings: riscv: document cbom-block-size of: also handle dma-noncoherent in of_dma_is_coherent()
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- 10 Aug, 2022 2 commits
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Palmer Dabbelt authored
This series should rid us of dtbs_check errors for the RISC-V Canaan k210 based boards. To make keeping it that way a little easier, I changed the Canaan devicetree Makefile so that it would build all of the devicetrees in the directory if SOC_CANAAN. Link: https://lore.kernel.org/all/mhng-85044754-c361-40bc-a6a2-7082f35930bb@palmer-ri-x1c9/ * remotes/palmer/riscv-canaan_dt_schema: riscv: dts: canaan: build all devicetress if SOC_CANAAN riscv: dts: canaan: add specific compatible for kd233's LCD riscv: dts: canaan: fix bus {ranges,reg} warnings riscv: dts: canaan: remove spi-max-frequency from controllers riscv: dts: canaan: use custom compatible for k210 i2s riscv: dts: canaan: fix kd233 display spi frequency riscv: dts: canaan: fix mmc node names riscv: dts: canaan: fix the k210's timer nodes riscv: dts: canaan: fix the k210's memory node dt-bindings: memory-controllers: add canaan k210 sram controller dt-bindings: display: ili9341: document canaan kd233's lcd dt-bindings: display: convert ilitek,ili9341.txt to dt-schema
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Chen Lifu authored
Since commit 5d8544e2 ("RISC-V: Generic library routines and assembly") and commit ebcbd75e ("riscv: Fix the bug in memory access fixup code"), if __clear_user and __copy_user return from an fixup branch, CSR_STATUS SR_SUM bit will be set, it is a vulnerability, so that S-mode memory accesses to pages that are accessible by U-mode will success. Disable S-mode access to U-mode memory should clear SR_SUM bit. Fixes: 5d8544e2 ("RISC-V: Generic library routines and assembly") Fixes: ebcbd75e ("riscv: Fix the bug in memory access fixup code") Signed-off-by:
Chen Lifu <chenlifu@huawei.com> Reviewed-by:
Ben Dooks <ben.dooks@codethink.co.uk> Link: https://lore.kernel.org/r/20220615014714.1650349-1-chenlifu@huawei.com Cc: stable@vger.kernel.org Signed-off-by:
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- 06 Aug, 2022 14 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linuxLinus Torvalds authored
Pull RISC-V updates from Palmer Dabbelt: - Enabling the FPU is now a static_key - Improvements to the Svpbmt support - CPU topology bindings for a handful of systems - Support for systems with 64-bit hart IDs - Many settings have been enabled in the defconfig, including both support for the StarFive systems and many of the Docker requirements There are also a handful of cleanups and improvements, as usual. * tag 'riscv-for-linus-5.20-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (28 commits) riscv: enable Docker requirements in defconfig riscv: convert the t-head pbmt errata to use the __nops macro riscv: introduce nops and __nops macros for NOP sequences RISC-V: Add fast call path of crash_kexec() riscv: mmap with PROT_WRITE but no PROT_READ is invalid riscv/efi_stub: Add 64bit boot-hartid support on RV64 riscv: cpu: Add 64bit hartid support on RV64 riscv: smp: Add 64bit hartid support on RV64 riscv: spinwait: Fix hartid variable type riscv: cpu_ops_sbi: Add 64bit hartid support on RV64 riscv: dts: sifive: "fix" pmic watchdog node name riscv: dts: canaan: Add k210 topology information riscv: dts: sifive: Add fu740 topology information riscv: dts: sifive: Add fu540 topology information riscv: dts: starfive: Add JH7100 CPU topology RISC-V: Add CONFIG_{NON,}PORTABLE riscv: config: enable SOC_STARFIVE in defconfig riscv: dts: microchip: Add mpfs' topology information riscv: Kconfig.socs: Add comments riscv: Kconfig.erratas: Add comments ...
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https://github.com/martinetd/linuxLinus Torvalds authored
Pull 9p updates from Dominique Martinet: - a couple of fixes - add a tracepoint for fid refcounting - some cleanup/followup on fid lookup - some cleanup around req refcounting * tag '9p-for-5.20' of https://github.com/martinetd/linux: net/9p: Initialize the iounit field during fid creation net: 9p: fix refcount leak in p9_read_work() error handling 9p: roll p9_tag_remove into p9_req_put 9p: Add client parameter to p9_req_put() 9p: Drop kref usage 9p: Fix some kernel-doc comments 9p fid refcount: cleanup p9_fid_put calls 9p fid refcount: add a 9p_fid_ref tracepoint 9p fid refcount: add p9_fid_get/put wrappers 9p: Fix minor typo in code comment 9p: Remove unnecessary variable for old fids while walking from d_parent 9p: Make the path walk logic more clear about when cloning is required 9p: Track the root fid with its own variable during lookups
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2Linus Torvalds authored
Pull gfs2 updates from Andreas Gruenbacher: - Instantiate glocks ouside of the glock state engine, in the contect of the process taking the glock. This moves unnecessary complexity out of the core glock code. Clean up the instantiate logic to be more sensible. - In gfs2_glock_async_wait(), cancel pending locking request upon failure. Make sure all glocks are left in a consistent state. - Various other minor cleanups and fixes. * tag 'gfs2-v5.19-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: List traversal in do_promote is safe gfs2: do_promote glock holder stealing fix gfs2: Use better variable name gfs2: Make go_instantiate take a glock gfs2: Add new go_held glock operation gfs2: Revert 'Fix "truncate in progress" hang' gfs2: Instantiate glocks ouside of glock state engine gfs2: Fix up gfs2_glock_async_wait gfs2: Minor gfs2_glock_nq_m cleanup gfs2: Fix spelling mistake in comment gfs2: Rewrap overlong comment in do_promote gfs2: Remove redundant NULL check before kfree
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Linus Torvalds authored
This reverts commit 4bf7fda4. It turns out that it was hopelessly naive to think that this would work, considering that we've always done this. The first machine I actually tested this on broke at bootup, getting to Reached target cryptsetup.target - Local Encrypted Volumes. and then hanging. It's unclear what actually fails, since there's a lot else going on around that time (eg amdgpu probing also happens around that same time, but it could be some other random init thing that didn't complete earlier and just caused the boot to hang at that point). The expectations that we should default to some unsafe and untested mode seems entirely unfounded, and the belief that this wouldn't affect modern systems is clearly entirely false. The machine in question is about two years old, so it's not exactly shiny, but it's also not some dusty old museum piece PDP-11 in a closet. Cc: Robin Murphy <robin.murphy@arm.com> Cc: Christoph Hellwig <hch@lst.de> Cc: John Garry <john.garry@huawei.com> Cc: Joerg Roedel <jroedel@suse.de> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Merge tag 'for-6.0/dm-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull more device mapper updates from Mike Snitzer: - Add flags argument to dm_bufio_client_create and introduce DM_BUFIO_CLIENT_NO_SLEEP flag to have dm-bufio use spinlock rather than mutex for its locking. - Add optional "try_verify_in_tasklet" feature to DM verity target. This feature gives users the option to improve IO latency by using a tasklet to verify, using hashes in bufio's cache, rather than wait to schedule a work item via workqueue. But if there is a bufio cache miss, or an error, then the tasklet will fallback to using workqueue. - Incremental changes to both dm-bufio and the DM verity target to use jump_label to minimize cost of branching associated with the niche "try_verify_in_tasklet" feature. DM-bufio in particular is used by quite a few other DM targets so it doesn't make sense to incur additional bufio cost in those targets purely for the benefit of this niche verity feature if the feature isn't ever used. - Optimize verity_verify_io, which is used by both workqueue and tasklet based verification, if FEC is not configured or tasklet based verification isn't used. - Remove DM verity target's verify_wq's use of the WQ_CPU_INTENSIVE flag since it uses WQ_UNBOUND. Also, use the WQ_HIGHPRI flag if "try_verify_in_tasklet" is specified. * tag 'for-6.0/dm-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm verity: have verify_wq use WQ_HIGHPRI if "try_verify_in_tasklet" dm verity: remove WQ_CPU_INTENSIVE flag since using WQ_UNBOUND dm verity: only copy bvec_iter in verity_verify_io if in_tasklet dm verity: optimize verity_verify_io if FEC not configured dm verity: conditionally enable branching for "try_verify_in_tasklet" dm bufio: conditionally enable branching for DM_BUFIO_CLIENT_NO_SLEEP dm verity: allow optional args to alter primary args handling dm verity: Add optional "try_verify_in_tasklet" feature dm bufio: Add DM_BUFIO_CLIENT_NO_SLEEP flag dm bufio: Add flags argument to dm_bufio_client_create
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git://git.infradead.org/users/hch/dma-mappingLinus Torvalds authored
Pull dma-mapping updates from Christoph Hellwig: - convert arm32 to the common dma-direct code (Arnd Bergmann, Robin Murphy, Christoph Hellwig) - restructure the PCIe peer to peer mapping support (Logan Gunthorpe) - allow the IOMMU code to communicate an optional DMA mapping length and use that in scsi and libata (John Garry) - split the global swiotlb lock (Tianyu Lan) - various fixes and cleanup (Chao Gao, Dan Carpenter, Dongli Zhang, Lukas Bulwahn, Robin Murphy) * tag 'dma-mapping-5.20-2022-08-06' of git://git.infradead.org/users/hch/dma-mapping: (45 commits) swiotlb: fix passing local variable to debugfs_create_ulong() dma-mapping: reformat comment to suppress htmldoc warning PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg() RDMA/rw: drop pci_p2pdma_[un]map_sg() RDMA/core: introduce ib_dma_pci_p2p_dma_supported() nvme-pci: convert to using dma_map_sgtable() nvme-pci: check DMA ops when indicating support for PCI P2PDMA iommu/dma: support PCI P2PDMA pages in dma-iommu map_sg iommu: Explicitly skip bus address marked segments in __iommu_map_sg() dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support dma-direct: support PCI P2PDMA pages in dma-direct map_sg dma-mapping: allow EREMOTEIO return code for P2PDMA transfers PCI/P2PDMA: Introduce helpers for dma_map_sg implementations PCI/P2PDMA: Attempt to set map_type if it has not been set lib/scatterlist: add flag for indicating P2PDMA segments in an SGL swiotlb: clean up some coding style and minor issues dma-mapping: update comment after dmabounce removal scsi: sd: Add a comment about limiting max_sectors to shost optimal limit ata: libata-scsi: cap ata_device->max_sectors according to shost->max_sectors scsi: scsi_transport_sas: cap shost opt_sectors according to DMA optimal limit ...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull iommu updates from Joerg Roedel: - The most intrusive patch is small and changes the default allocation policy for DMA addresses. Before the change the allocator tried its best to find an address in the first 4GB. But that lead to performance problems when that space gets exhaused, and since most devices are capable of 64-bit DMA these days, we changed it to search in the full DMA-mask range from the beginning. This change has the potential to uncover bugs elsewhere, in the kernel or the hardware. There is a Kconfig option and a command line option to restore the old behavior, but none of them is enabled by default. - Add Robin Murphy as reviewer of IOMMU code and maintainer for the dma-iommu and iova code - Chaning IOVA magazine size from 1032 to 1024 bytes to save memory - Some core code cleanups and dead-code removal - Support for ACPI IORT RMR node - Support for multiple PCI domains in the AMD-Vi driver - ARM SMMU changes from Will Deacon: - Add even more Qualcomm device-tree compatible strings - Support dumping of IMP DEF Qualcomm registers on TLB sync timeout - Fix reference count leak on device tree node in Qualcomm driver - Intel VT-d driver updates from Lu Baolu: - Make intel-iommu.h private - Optimize the use of two locks - Extend the driver to support large-scale platforms - Cleanup some dead code - MediaTek IOMMU refactoring and support for TTBR up to 35bit - Basic support for Exynos SysMMU v7 - VirtIO IOMMU driver gets a map/unmap_pages() implementation - Other smaller cleanups and fixes * tag 'iommu-updates-v5.20-or-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (116 commits) iommu/amd: Fix compile warning in init code iommu/amd: Add support for AVIC when SNP is enabled iommu/amd: Simplify and Consolidate Virtual APIC (AVIC) Enablement ACPI/IORT: Fix build error implicit-function-declaration drivers: iommu: fix clang -wformat warning iommu/arm-smmu: qcom_iommu: Add of_node_put() when breaking out of loop iommu/arm-smmu-qcom: Add SM6375 SMMU compatible dt-bindings: arm-smmu: Add compatible for Qualcomm SM6375 MAINTAINERS: Add Robin Murphy as IOMMU SUBSYTEM reviewer iommu/amd: Do not support IOMMUv2 APIs when SNP is enabled iommu/amd: Do not support IOMMU_DOMAIN_IDENTITY after SNP is enabled iommu/amd: Set translation valid bit only when IO page tables are in use iommu/amd: Introduce function to check and enable SNP iommu/amd: Globally detect SNP support iommu/amd: Process all IVHDs before enabling IOMMU features iommu/amd: Introduce global variable for storing common EFR and EFR2 iommu/amd: Introduce Support for Extended Feature 2 Register iommu/amd: Change macro for IOMMU control register bit shift to decimal value iommu/exynos: Enable default VM instance on SysMMU v7 iommu/exynos: Add SysMMU v7 register set ... -
git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlightLinus Torvalds authored
Pull backlight updates from Lee Jones: "Core Framework: - Change maintainer email address Fix-ups: - Obtain OCP level from Device Tree; rt4831-backlight - DT fix-ups/conversions; richtek,rt4831-backlight - Remove unused code / functionatlity; platform_lcd - Switch to atomic PWM API; lp855x_bl * tag 'backlight-next-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: MAINTAINERS: Use Lee Jones' kernel.org address for Backlight submissions backlight: lp855x: Switch to atomic PWM API dt-bindings: backlight: Update Lee Jones' email address Revert "drivers/video/backlight/platform_lcd.c: add support for device tree based probe" backlight: rt4831: Apply ocp level from devicetree dt-bindings: backlight: rt4831: Add the new ocp level property
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfdLinus Torvalds authored
Pull MFD updates from Lee Jones: "Core Framework: - Change maintainer email address - Use acpi_dev_for_each_child() helper to walk the ACPI list New Device Support: - BCM2711 RPiVid ASB in Broadcom BCM2835 - MT8195 dual-core RISC-V MCU in Chrome OS Embedded Controller - Regulator, RTC and Keys in MediaTek MT6357 PMIC - GPIO in X-Powers AXP20x PMIC - MT6331 and MT6332 in MediaTek MT6357 PMIC - Intel Meteor Lake-P PCI in Intel LPSS PCI New Functionality: - Add support for non-ACPI platforms; lpc_ich Fix-ups: - Use platform data instead of hard-coded values; bcm2835-pm - Make use of BIT/GENMASK macros; intel_soc_pmic_bxtwc - Use dev_err_probe() helper; intel_soc_pmic_chtwc, intel_soc_pmic_bxtwc - Use provided generic APIs / helpers; lpc_ich - Clean-up .remove() return values; asic3, t7l66xb, tc6387xb, tc6393xb - Use correct formatting specifiers; syscon - Replace sprintf() with sysfs_emit(); intel_soc_pmic_bxtwc - Automatically detect and fill USB endpoint pointers; dln2 - Use more appropriate dev/platform/spi resources APIs; intel_soc_pmic_bxtwc - Make use of pm_sleep_ptr(); intel_soc_pmic_chtwc, intel_soc_pmic_bxtwc - Improve error handling; intel_soc_pmic_bxtwc - Use core driver API to create groups; intel_soc_pmic_bxtwc - Kconfig fix-ups; MFD_SUN6I_PRCM - Admin: whitespace/email addresses/etc; max77714, db8500-prcmu, ipaq-micro, intel_soc_pmic_bxtwc - Remove duplicate/unused code/functionality; lpc_ich, twl-core, qcom-pm8008, intel_soc_pmic_bxtwc - DT fix-ups / conversions; da9063, ti,j721e-system-controller, st,stm32-timers, mt6397, qcom,tcsr, mps,mp2629, qcom-pm8xxx, fsl,imx8qxp-csr Bug Fixes: - Fix of_node reference leak; max77620" * tag 'mfd-next-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (49 commits) dt-bindings: mfd: stm32-timers: Move fixed string node names under 'properties' dt-bindings: mfd: st,stm32-timers: Correct 'resets' property name dt-bindings: mfd: syscon: Update Lee Jones' email address MAINTAINERS: Use Lee Jones' kernel.org address for Syscon submissions MAINTAINERS: Use Lee Jones' kernel.org address for MFD submissions mfd: sun6i-prcm: Update Kconfig description mfd: intel_soc_pmic_bxtwc: Fix spelling in the comment mfd: intel_soc_pmic_bxtwc: Drop unneeded casting mfd: intel_soc_pmic_bxtwc: Use sysfs_emit() instead of sprintf() mfd: intel_soc_pmic_bxtwc: Use bits.h macros for all masks mfd: intel_soc_pmic_bxtwc: Drop redundant ACPI_PTR() mfd: intel_soc_pmic_bxtwc: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr() etc mfd: intel_soc_pmic_bxtwc: Extend use of temporary variable for struct device mfd: intel_soc_pmic_bxtwc: Use dev_err_probe() mfd: intel_soc_pmic_bxtwc: Convert to use platform_get/set_drvdata() mfd: intel_soc_pmic_bxtwc: Create sysfs attributes using core driver's facility mfd: intel_soc_pmic_bxtwc: Don't shadow error codes in show()/store() mfd: intel-lpss: Add Intel Meteor Lake-P PCI IDs mfd: mt6397: Add basic support for MT6331+MT6332 PMIC mfd: axp20x: Add AXP221/AXP223/AXP809 GPIO cells ... -
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound updates from Takashi Iwai: "As the diffstat shows, we've had lots of developments in a wide range at this time; the majority of changes are about ASoC, including subsystem-wide cleanups, continued SOF / Intel updates and a bunch of new drivers (as usual), while there have been some significant (but almost invisible) improvements in ALSA core side, too. Below are some highlights: Core: - Faster lookups of control elements with Xarray; normal user won't notice, but on the devices with tons of control elements, it can be visibly faster - Support for input validation for controls; this will harden for badly written drivers in general with a slight overhead - Deferred async signal handling for working around the potential deadlocks - Cleanup / refactoring raw MIDI locking code ASoC: - Restructing of the set_fmt() callbacks for making things clearer in situations like CODEC to CODEC links - Clean up and modernizing the DAI naming scheme setups - Merge of more of the Intel AVS driver stack, including some board integrations - New version 4 mechanism for communication with SOF DSPs - Suppoort for dynamically selecting the PLL to use at runtime on i.MX platforms - Improvements for CODEC to CODEC support in the generic cards - Support for AMD Jadeite and various machines, AMD RPL, Intel MetorLake DSPs, Mediatek MT8186 DSPs and MT6366, nVidia Tegra MDDRC, OPE and PEQ, NXP TFA9890, Qualcomm SDM845, WCD9335 and WAS883x, and Texas Instruments TAS2780 HD- and USB-audio: - Continued improvement for CS35L41 (sub)codec support - More quirks for various devices (HP, Lenovo, Dell, Clevo)" * tag 'sound-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (778 commits) ALSA: hda/realtek: Add quirk for HP Spectre x360 15-eb0xxx ALSA: line6: Replace sprintf() with sysfs_emit() ALSA: hda: Replace sprintf() with sysfs_emit() ALSA: pcm: Replace sprintf() with sysfs_emit() ALSA: core: Replace scnprintf() with sysfs_emit() ALSA: control-led: Replace sprintf() with sysfs_emit() ALSA: aoa: Replace sprintf() with sysfs_emit() ALSA: ac97: Replace sprintf() with sysfs_emit() ALSA: hda/realtek: Add quirk for Clevo NV45PZ ALSA: hda/realtek: Add quirk for Lenovo Yoga9 14IAP7 ALSA: control: Use deferred fasync helper ALSA: pcm: Use deferred fasync helper ALSA: timer: Use deferred fasync helper ALSA: core: Add async signal helpers ASoC: q6asm: use kcalloc() instead of kzalloc() ACPI: scan: Add CLSA0101 Laptop Support ALSA: hda: cs35l41: Support CLSA0101 ALSA: hda: cs35l41: Use the CS35L41 HDA internal define ASoC: dt-bindings: use spi-peripheral-props.yaml ASoC: codecs: va-macro: use fsgen as clock ... -
git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmddLinus Torvalds authored
Pull tpm updates from Jarkko Sakkinen: "Mostly TPM and also few keyring fixes" * tag 'tpmdd-next-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: tpm: Add check for Failure mode for TPM2 modules tpm: eventlog: Fix section mismatch for DEBUG_SECTION_MISMATCH tpm: fix platform_no_drv_owner.cocci warning KEYS: asymmetric: enforce SM2 signature use pkey algo pkcs7: support EC-RDSA/streebog in SignerInfo pkcs7: parser support SM2 and SM3 algorithms combination sign-file: Fix confusing error messages X.509: Support parsing certificate using SM2 algorithm tpm: Add tpm_tis_i2c backend for tpm_tis_core tpm: Add tpm_tis_verify_crc to the tpm_tis_phy_ops protocol layer dt-bindings: trivial-devices: Add Infineon SLB9673 TPM tpm: Add upgrade/reduced mode support for TPM1.2 modules
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Linus Torvalds authored
Merge tag 'perf-tools-for-v6.0-2022-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools updates from Arnaldo Carvalho de Melo: - Introduce 'perf lock contention' subtool, using new lock contention tracepoints and using BPF for in kernel aggregation and then userspace processing using the perf tooling infrastructure for resolving symbols, target specification, etc. Since the new lock contention tracepoints don't provide lock names, get up to 8 stack traces and display the first non-lock function symbol name as a caller: $ perf lock report -F acquired,contended,avg_wait,wait_total Name acquired contended avg wait total wait update_blocked_a... 40 40 3.61 us 144.45 us kernfs_fop_open+... 5 5 3.64 us 18.18 us _nohz_idle_balance 3 3 2.65 us 7.95 us tick_do_update_j... 1 1 6.04 us 6.04 us ep_scan_ready_list 1 1 3.93 us 3.93 us Supports the usual 'perf record' + 'perf report' workflow as well as a BCC/bpftrace like mode where you start the tool and then press control+C to get results: $ sudo perf lock contention -b ^C contended total wait max wait avg wait type caller 42 192.67 us 13.64 us 4.59 us spinlock queue_work_on+0x20 23 85.54 us 10.28 us 3.72 us spinlock worker_thread+0x14a 6 13.92 us 6.51 us 2.32 us mutex kernfs_iop_permission+0x30 3 11.59 us 10.04 us 3.86 us mutex kernfs_dop_revalidate+0x3c 1 7.52 us 7.52 us 7.52 us spinlock kthread+0x115 1 7.24 us 7.24 us 7.24 us rwlock:W sys_epoll_wait+0x148 2 7.08 us 3.99 us 3.54 us spinlock delayed_work_timer_fn+0x1b 1 6.41 us 6.41 us 6.41 us spinlock idle_balance+0xa06 2 2.50 us 1.83 us 1.25 us mutex kernfs_iop_lookup+0x2f 1 1.71 us 1.71 us 1.71 us mutex kernfs_iop_getattr+0x2c ... - Add new 'perf kwork' tool to trace time properties of kernel work (such as softirq, and workqueue), uses eBPF skeletons to collect info in kernel space, aggregating data that then gets processed by the userspace tool, e.g.: # perf kwork report Kwork Name | Cpu | Total Runtime | Count | Max runtime | Max runtime start | Max runtime end | ---------------------------------------------------------------------------------------------------- nvme0q5:130 | 004 | 1.101 ms | 49 | 0.051 ms | 26035.056403 s | 26035.056455 s | amdgpu:162 | 002 | 0.176 ms | 9 | 0.046 ms | 26035.268020 s | 26035.268066 s | nvme0q24:149 | 023 | 0.161 ms | 55 | 0.009 ms | 26035.655280 s | 26035.655288 s | nvme0q20:145 | 019 | 0.090 ms | 33 | 0.014 ms | 26035.939018 s | 26035.939032 s | nvme0q31:156 | 030 | 0.075 ms | 21 | 0.010 ms | 26035.052237 s | 26035.052247 s | nvme0q8:133 | 007 | 0.062 ms | 12 | 0.021 ms | 26035.416840 s | 26035.416861 s | nvme0q6:131 | 005 | 0.054 ms | 22 | 0.010 ms | 26035.199919 s | 26035.199929 s | nvme0q19:144 | 018 | 0.052 ms | 14 | 0.010 ms | 26035.110615 s | 26035.110625 s | nvme0q7:132 | 006 | 0.049 ms | 13 | 0.007 ms | 26035.125180 s | 26035.125187 s | nvme0q18:143 | 017 | 0.033 ms | 14 | 0.007 ms | 26035.169698 s | 26035.169705 s | nvme0q17:142 | 016 | 0.013 ms | 1 | 0.013 ms | 26035.565147 s | 26035.565160 s | enp5s0-rx-0:164 | 006 | 0.004 ms | 4 | 0.002 ms | 26035.928882 s | 26035.928884 s | enp5s0-tx-0:166 | 008 | 0.003 ms | 3 | 0.002 ms | 26035.870923 s | 26035.870925 s | -------------------------------------------------------------------------------------------------------- See commit log messages for more examples with extra options to limit the events time window, etc. - Add support for new AMD IBS (Instruction Based Sampling) features: With the DataSrc extensions, the source of data can be decoded among: - Local L3 or other L1/L2 in CCX. - A peer cache in a near CCX. - Data returned from DRAM. - A peer cache in a far CCX. - DRAM address map with "long latency" bit set. - Data returned from MMIO/Config/PCI/APIC. - Extension Memory (S-Link, GenZ, etc - identified by the CS target and/or address map at DF's choice). - Peer Agent Memory. - Support hardware tracing with Intel PT on guest machines, combining the traces with the ones in the host machine. - Add a "-m" option to 'perf buildid-list' to show kernel and modules build-ids, to display all of the information needed to do external symbolization of kernel stack traces, such as those collected by bpf_get_stackid(). - Add arch TSC frequency information to perf.data file headers. - Handle changes in the binutils disassembler function signatures in perf, bpftool and bpf_jit_disasm (Acked by the bpftool maintainer). - Fix building the perf perl binding with the newest gcc in distros such as fedora rawhide, where some new warnings were breaking the build as perf uses -Werror. - Add 'perf test' entry for branch stack sampling. - Add ARM SPE system wide 'perf test' entry. - Add user space counter reading tests to 'perf test'. - Build with python3 by default, if available. - Add python converter script for the vendor JSON event files. - Update vendor JSON files for most Intel cores. - Add vendor JSON File for Intel meteorlake. - Add Arm Cortex-A78C and X1C JSON vendor event files. - Add workaround to symbol address reading from ELF files without phdr, falling back to the previoous equation. - Convert legacy map definition to BTF-defined in the perf BPF script test. - Rework prologue generation code to stop using libbpf deprecated APIs. - Add default hybrid events for 'perf stat' on x86. - Add topdown metrics in the default 'perf stat' on the hybrid machines (big/little cores). - Prefer sampled CPU when exporting JSON in 'perf data convert' - Fix ('perf stat CSV output linter') and ("Check branch stack sampling") 'perf test' entries on s390. * tag 'perf-tools-for-v6.0-2022-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (169 commits) perf stat: Refactor __run_perf_stat() common code perf lock: Print the number of lost entries for BPF perf lock: Add --map-nr-entries option perf lock: Introduce struct lock_contention perf scripting python: Do not build fail on deprecation warnings genelf: Use HAVE_LIBCRYPTO_SUPPORT, not the never defined HAVE_LIBCRYPTO perf build: Suppress openssl v3 deprecation warnings in libcrypto feature test perf parse-events: Break out tracepoint and printing perf parse-events: Don't #define YY_EXTRA_TYPE tools bpftool: Don't display disassembler-four-args feature test tools bpftool: Fix compilation error with new binutils tools bpf_jit_disasm: Don't display disassembler-four-args feature test tools bpf_jit_disasm: Fix compilation error with new binutils tools perf: Fix compilation error with new binutils tools include: add dis-asm-compat.h to handle version differences tools build: Don't display disassembler-four-args feature test tools build: Add feature test for init_disassemble_info API changes perf test: Add ARM SPE system wide test perf tools: Rework prologue generation code perf bpf: Convert legacy map definition to BTF-defined ...
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Linus Torvalds authored
Merge tag 'livepatching-for-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching Pull livepatching update from Petr Mladek: - Make a selftest more reliable * tag 'livepatching-for-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching: selftests/livepatch: better synchronize test_klp_callbacks_busy
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https://github.com/awilliam/linux-vfioLinus Torvalds authored
Pull VFIO updates from Alex Williamson: - Cleanup use of extern in function prototypes (Alex Williamson) - Simplify bus_type usage and convert to device IOMMU interfaces (Robin Murphy) - Check missed return value and fix comment typos (Bo Liu) - Split migration ops from device ops and fix races in mlx5 migration support (Yishai Hadas) - Fix missed return value check in noiommu support (Liam Ni) - Hardening to clear buffer pointer to avoid use-after-free (Schspa Shi) - Remove requirement that only the same mm can unmap a previously mapped range (Li Zhe) - Adjust semaphore release vs device open counter (Yi Liu) - Remove unused arg from SPAPR support code (Deming Wang) - Rework vfio-ccw driver to better fit new mdev framework (Eric Farman, Michael Kawano) - Replace DMA unmap notifier with callbacks (Jason Gunthorpe) - Clarify SPAPR support comment relative to iommu_ops (Alexey Kardashevskiy) - Revise page pinning API towards compatibility with future iommufd support (Nicolin Chen) - Resolve issues in vfio-ccw, including use of DMA unmap callback (Eric Farman) * tag 'vfio-v6.0-rc1' of https://github.com/awilliam/linux-vfio: (40 commits) vfio/pci: fix the wrong word vfio/ccw: Check return code from subchannel quiesce vfio/ccw: Remove FSM Close from remove handlers vfio/ccw: Add length to DMA_UNMAP checks vfio: Replace phys_pfn with pages for vfio_pin_pages() vfio/ccw: Add kmap_local_page() for memcpy vfio: Rename user_iova of vfio_dma_rw() vfio/ccw: Change pa_pfn list to pa_iova list vfio/ap: Change saved_pfn to saved_iova vfio: Pass in starting IOVA to vfio_pin/unpin_pages API vfio/ccw: Only pass in contiguous pages vfio/ap: Pass in physical address of ind to ap_aqic() drm/i915/gvt: Replace roundup with DIV_ROUND_UP vfio: Make vfio_unpin_pages() return void vfio/spapr_tce: Fix the comment vfio: Replace the iommu notifier with a device list vfio: Replace the DMA unmapping notifier with a callback vfio/ccw: Move FSM open/close to MDEV open/close vfio/ccw: Refactor vfio_ccw_mdev_reset vfio/ccw: Create a CLOSE FSM event ...
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- 05 Aug, 2022 10 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mmLinus Torvalds authored
Pull MM updates from Andrew Morton: "Most of the MM queue. A few things are still pending. Liam's maple tree rework didn't make it. This has resulted in a few other minor patch series being held over for next time. Multi-gen LRU still isn't merged as we were waiting for mapletree to stabilize. The current plan is to merge MGLRU into -mm soon and to later reintroduce mapletree, with a view to hopefully getting both into 6.1-rc1. Summary: - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe Lin, Yang Shi, Anshuman Khandual and Mike Rapoport - Some kmemleak fixes from Patrick Wang and Waiman Long - DAMON updates from SeongJae Park - memcg debug/visibility work from Roman Gushchin - vmalloc speedup from Uladzislau Rezki - more folio conversion work from Matthew Wilcox - enhancements for coherent device memory mapping from Alex Sierra - addition of shared pages tracking and CoW support for fsdax, from Shiyang Ruan - hugetlb optimizations from Mike Kravetz - Mel Gorman has contributed some pagealloc changes to improve latency and realtime behaviour. - mprotect soft-dirty checking has been improved by Peter Xu - Many other singleton patches all over the place" [ XFS merge from hell as per Darrick Wong in https://lore.kernel.org/all/YshKnxb4VwXycPO8@magnolia/ ] * tag 'mm-stable-2022-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (282 commits) tools/testing/selftests/vm/hmm-tests.c: fix build mm: Kconfig: fix typo mm: memory-failure: convert to pr_fmt() mm: use is_zone_movable_page() helper hugetlbfs: fix inaccurate comment in hugetlbfs_statfs() hugetlbfs: cleanup some comments in inode.c hugetlbfs: remove unneeded header file hugetlbfs: remove unneeded hugetlbfs_ops forward declaration hugetlbfs: use helper macro SZ_1{K,M} mm: cleanup is_highmem() mm/hmm: add a test for cross device private faults selftests: add soft-dirty into run_vmtests.sh selftests: soft-dirty: add test for mprotect mm/mprotect: fix soft-dirty check in can_change_pte_writable() mm: memcontrol: fix potential oom_lock recursion deadlock mm/gup.c: fix formatting in check_and_migrate_movable_page() xfs: fail dax mount if reflink is enabled on a partition mm/memcontrol.c: remove the redundant updating of stats_flush_threshold userfaultfd: don't fail on unrecognized features hugetlb_cgroup: fix wrong hugetlb cgroup numa stat ... -
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linuxLinus Torvalds authored
Pull MTD updates from Richard Weinberger: "MTD core changes: - Dynamic partition support - Fix deadlock in sm_ftl - Various refcount fixes in maps, partitions and parser code - Integer overflow fixes in mtdchar - Support for Sercomm partitions NAND driver changes: - Clockrate fix for arasan - Add ATO25D1GA support - Double free fix for meson driver - Fix probe/remove methods in cafe NAND - Support unprotected spare data pages in qcom_nandc SPI NOR core changes: - move SECT_4K_PMC flag out of the core as it's a vendor specific flag - s/addr_width/addr_nbytes/g: address width means the number of IO lines used for the address, whereas in the code it is used as the number of address bytes. - do not change nor->addr_nbytes at SFDP parsing time. At the SFDP parsing time we should not change members of struct spi_nor, but instead fill members of struct spi_nor_flash_parameters which could later on be used by the callers. - track flash's internal address mode so that we can use 4B opcodes together with opcodes that don't have a 4B opcode correspondent. SPI NOR manufacturer drivers changes: - esmt: Rename "f25l32qa" flash name to "f25l32qa-2s". - micron-st: Skip FSR reading if SPI controller does not support it to allow flashes that support FSR to work even when attached to such SPI controllers. - spansion: Add s25hl-t/s25hs-t IDs and fixups" * tag 'mtd/for-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (53 commits) mtd: core: check partition before dereference mtd: spi-nor: fix spi_nor_spimem_setup_op() call in spi_nor_erase_{sector,chip}() mtd: spi-nor: spansion: Add s25hl-t/s25hs-t IDs and fixups mtd: spi-nor: spansion: Add local function to discover page size mtd: spi-nor: core: Track flash's internal address mode mtd: spi-nor: core: Return error code from set_4byte_addr_mode() mtd: spi-nor: Do not change nor->addr_nbytes at SFDP parsing time mtd: spi-nor: core: Shrink the storage size of the flash_info's addr_nbytes mtd: spi-nor: s/addr_width/addr_nbytes mtd: spi-nor: esmt: Use correct name of f25l32qa mtd: spi-nor: micron-st: Skip FSR reading if SPI controller does not support it MAINTAINERS: Use my kernel.org email mtd: rawnand: arasan: Fix clock rate in NV-DDR mtd: rawnand: arasan: Update NAND bus clock instead of system clock mtd: core: introduce of support for dynamic partitions dt-bindings: mtd: partitions: add additional example for qcom,smem-part dt-bindings: mtd: partitions: support label/name only partition mtd: spi-nor: move SECT_4K_PMC special handling mtd: dataflash: Add SPI ID table mtd: hyperbus: rpc-if: Fix RPM imbalance in probe error path ... -
git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds authored
Pull UML updates from Richard Weinberger: - KASAN support for x86_64 - noreboot command line option, just like qemu's -no-reboot - Various fixes and cleanups * tag 'for-linus-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: include sys/types.h for size_t um: Replace to_phys() and to_virt() with less generic function names um: Add missing apply_returns() um: add "noreboot" command line option for PANIC_TIMEOUT=-1 setups um: include linux/stddef.h for __always_inline UML: add support for KASAN under x86_64 mm: Add PAGE_ALIGN_DOWN macro um: random: Don't initialise hwrng struct with zero um: remove unused mm_copy_segments um: remove unused variable um: Remove straying parenthesis um: x86: print RIP with symbol arch: um: Fix build for statically linked UML w/ constructors x86/um: Kconfig: Fix indentation um/drivers: Kconfig: Fix indentation um: Kconfig: Fix indentation
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Linus Torvalds authored
Pull OpenRISC updates from Stafford Horne: "In this cycle we add PCI support to OpenRISC used in our new QEMU virt platform. The main updates from me include: - Kconfig updates to support OpenRISC PCI (just config now after the PCI cleanups I did on Bjorn's branch) - A new defconfig for the qemu virt platform. - Also there is one MAINTAINERS update. As I was working on the PCI series we kept getting bounces from Richard's old email address. I added this here; I am not sure how these are usually handled when the maintainer doesn't queue it themselves" * tag 'for-linus' of github.com:openrisc/linux: openrisc: io: Define iounmap argument as volatile MAINTAINERS: Update Richard Henderson's address openrisc: Add virt defconfig openrisc: Add pci bus support -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 SGX updates from Dave Hansen: "A set of x86/sgx changes focused on implementing the "SGX2" features, plus a minor cleanup: - SGX2 ISA support which makes enclave memory management much more dynamic. For instance, enclaves can now change enclave page permissions on the fly. - Removal of an unused structure member" * tag 'x86_sgx_for_v6.0-2022-08-03.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits) x86/sgx: Drop 'page_index' from sgx_backing selftests/sgx: Page removal stress test selftests/sgx: Test reclaiming of untouched page selftests/sgx: Test invalid access to removed enclave page selftests/sgx: Test faulty enclave behavior selftests/sgx: Test complete changing of page type flow selftests/sgx: Introduce TCS initialization enclave operation selftests/sgx: Introduce dynamic entry point selftests/sgx: Test two different SGX2 EAUG flows selftests/sgx: Add test for TCS page permission changes selftests/sgx: Add test for EPCM permission changes Documentation/x86: Introduce enclave runtime management section x86/sgx: Free up EPC pages directly to support large page ranges x86/sgx: Support complete page removal x86/sgx: Support modifying SGX page type x86/sgx: Tighten accessible memory range after enclave initialization x86/sgx: Support adding of pages to an initialized enclave x86/sgx: Support restricting of enclave page permissions x86/sgx: Support VA page allocation without reclaiming x86/sgx: Export sgx_encl_page_alloc() ... -
git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-genericLinus Torvalds authored
Pull asm-generic updates from Arnd Bergmann: "There are three independent sets of changes: - Sai Prakash Ranjan adds tracing support to the asm-generic version of the MMIO accessors, which is intended to help understand problems with device drivers and has been part of Qualcomm's vendor kernels for many years - A patch from Sebastian Siewior to rework the handling of IRQ stacks in softirqs across architectures, which is needed for enabling PREEMPT_RT - The last patch to remove the CONFIG_VIRT_TO_BUS option and some of the code behind that, after the last users of this old interface made it in through the netdev, scsi, media and staging trees" * tag 'asm-generic-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: uapi: asm-generic: fcntl: Fix typo 'the the' in comment arch/*/: remove CONFIG_VIRT_TO_BUS soc: qcom: geni: Disable MMIO tracing for GENI SE serial: qcom_geni_serial: Disable MMIO tracing for geni serial asm-generic/io: Add logging support for MMIO accessors KVM: arm64: Add a flag to disable MMIO trace for nVHE KVM lib: Add register read/write tracing support drm/meson: Fix overflow implicit truncation warnings irqchip/tegra: Fix overflow implicit truncation warnings coresight: etm4x: Use asm-generic IO memory barriers arm64: io: Use asm-generic high level MMIO accessors arch/*: Disable softirq stacks on PREEMPT_RT. -
git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds authored
Pull more ARM SoC updates from Arnd Bergmann: "These updates came in after I had already tagged the branches, but they still seem appropriate for 6.0 and most of them were part of linux-next through other trees. - The reset controller tree adds one new driver for the TI TPS380x power management chip and a few minor changes in other drivers - Apple M1 now has a DT entry for the NVMe controller after the driver was merged, and has a new mailing list in the MAINTAINERS file. - Fixes for USB on the Socionext Uniphier platforms and the network controller on Intel Cyclone5" * tag 'arm-late-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: arm64: dts: uniphier: Fix USB interrupts for PXs3 SoC ARM: dts: uniphier: Fix USB interrupts for PXs2 SoC arm64: dts: apple: t8103: Add ANS2 NVMe nodes reset: tps380x: Fix spelling mistake "Voltags" -> "Voltage" reset: tps380x: Add TPS380x device driver supprt dt-bindings: reset: Add TPS380x documentation dt-bindings: reset: renesas,rzg2l-usbphy-ctrl: Document RZ/G2UL USBPHY Control bindings ARM: dts: add EMAC AXI settings for Cyclone5 reset: reset-simple should depends on HAS_IOMEM Revert "reset: microchip-sparx5: allow building as a module" reset: a10sr: allow building under COMPILE_TEST reset: allow building of reset simple driver if expert config selected reset: microchip-sparx5: allow building as a module arm64: dts: apple: Re-parent ANS2 power domains MAINTAINERS: add ARM/APPLE MACHINE mailing list -
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc updates from Helge Deller: "One real bugfix to change the io_pgetevents_time64() syscall to use the compat implementation when running in compat mode, otherwise the signed int32 parameters min_nr and nr will be incorrectly handled as unsigned int64 values. Other than that just small cleanups: - hardware database housekeeping and proper /proc/iomem output - add proper function exit code if probe functions fail - drop stale variables (pa_swapper_pg_lock) - drop unneccessary zero-initializations - typo fixes in comments" * tag 'for-5.20/parisc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: Input: gscps2 - check return value of ioremap() in gscps2_probe() parisc: io_pgetevents_time64() needs compat syscall in 32-bit compat mode parisc: Drop zero variable initialisations in mm/init.c parisc: Do not initialise statics to 0 parisc: Check the return value of ioremap() in lba_driver_probe() parisc: Drop pa_swapper_pg_lock spinlock parisc: Fix comment typo in fault.c parisc: Fix device names in /proc/iomem parisc: Clean up names in hardware database
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git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds authored
Pull microblaze updates from Michal Simek: - Trivial comment fix - Remove HANDLE_DOMAIN_IRQ selection * tag 'microblaze-v5.20' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Fix some typos in comment arch: microblaze: Remove unused "select HANDLE_DOMAIN_IRQ"
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git://git.kernel.org/pub/scm/linux/kernel/git/printk/linuxLinus Torvalds authored
Pull printk updates from Petr Mladek: - Allow reading kernel log in gdb even on 32 bits systems - More granular check of the buffer usage in printf selftest - Clang warning fix * tag 'printk-for-5.20-sane' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: lib/test_printf.c: fix clang -Wformat warnings scripts/gdb: fix 'lx-dmesg' on 32 bits arch lib/test_printf.c: split write-beyond-buffer check in two
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