- 07 Nov, 2005 40 commits
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Gennady Sharapov authored
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all systemcalls from uaccess_user.c file under os-Linux dir Signed-off-by:
Gennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Bodo Stroesser authored
ifa->ifa_address and ifa->ifa_mask are defined as __u32, but used as if they were char[4]. Network code uses htons() to convert it. So UML's method to access these fields is wrong for bigendians (e.g. s390) I replaced bytewise copying by memcpy(), maybe even that might be removed, if ifa->ifa_address/mask may be used immediately. Signed-off-by:
Bodo Stroesser <bstroesser@fujitsu-siemens.com> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Jeff Dike noted that the assembly code for syscall stubs is misassembled with GCC 3.2.3: the values copied in registers weren't preserved between one asm() and the following one. So I fixed the thing by rewriting the __asm__ constraints more like unistd.h ones. Note: in syscall6 case I had to add one more instruction (i.e. moving arg6 in eax and shuffling things around) - it's needed for the function to be valid in general (we can't load the value from the stack, relative to ebp, because we change it), but could be avoided since we actually use a constant as param 6. The only fix would be to turn stub_syscall6 to a macro and use a "i" constraint for arg6 (i.e., specify it's a constant value). Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Jeff Dike authored
Add some more debugging information when a stub does something unexpected, usually segfaulting. Now, it dumps out the stub's registers as well as the signal. Signed-off-by:
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Adrian Bunk authored
"extern inline" doesn't make much sense. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Acked-by:
Mikael Starvik <starvik@axis.com> Signed-off-by:
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Arthur Othieno authored
printk() already declared in include/linux/kernel.h so squish the duplication. Besides, no printk() usage here. Bye bye. Signed-off-by:
Arthur Othieno <a.othieno@bluewin.ch> Cc: Mikael Starvik <starvik@axis.com> Signed-off-by:
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Shaohua Li authored
It's widely seen a MCE non-fatal error reported after resume. It seems MCE resume is lacked under ia32. This patch tries to fix the gap. Signed-off-by:
Shaohua Li <shaohua.li@intel.com> Acked-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
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Pavel Machek authored
Remove unused variable, and make code less evil that way. Fix whitespace around for-loop-like macro. Signed-off-by:
Pavel Machek <pavel@suse.cz> Signed-off-by:
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Pavel Machek authored
This cleans spaces between * and pointer up, and adds "int" in "unsigned int". Signed-off-by:
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Pavel Machek authored
This adds few more working systems. Signed-off-by:
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Heiko Carstens authored
Replace smp_processor_id() with any_online_cpu(cpu_online_map) in order to avoid lots of "BUG: using smp_processor_id() in preemptible [00000001] code:..." messages in case taking a cpu online fails. All the traces start at the last notifier_call_chain(...) in kernel/cpu.c. Since we hold the cpu_control semaphore it shouldn't be any problem to access cpu_online_map. The reason why cpu_up failed is simply that the cpu that was supposed to be taken online wasn't even there. That is because on s390 we never know when a new cpu comes and therefore cpu_possible_map consists of only ones and doesn't reflect reality. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Adrian Bunk authored
Every file should #include the header files containing the prototypes of its global functions Signed-off-by:
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Adrian Bunk authored
Every file should #include the header files containing the prototypes of its global functions Signed-off-by:
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Adrian Bunk authored
Every file should #include the header files containing the prototypes of its global functions Signed-off-by:
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Zwane Mwaikambo authored
Excerpt from bugzilla entry http://bugzilla.kernel.org/show_bug.cgi?id=5518 "i386 version of Reboot-through-BIOS is unsafe: it forgets to mask APIC LVT interrupts before jumping to a BIOS entry point. As a result, BIOS ends up bombarded with interrupts early on boot. The BIOS does not expect it since following a "normal" hardware cpu reset, all APIC LVT registers have the Mask bit (16) set and can't generate interrupts. For example, the version of Phoenix BIOS used by VMware enables interrupts for the first time before masking/clearing APIC LVT. The APIC Timer LVT register is still set up for a timer interrupt delivery with a high vector from the previous Linux incarnation (0xef in our case). The BIOS has not fully initialized its IDT at this point and the real mode gate for 0xef remains all zeros. Vector 0xef dispatches BIOS to address 0:0, BIOS takes a #GP and eventually hangs. machine_shutdown() does attempt to shut down APIC before jumping to BIOS, but it is ineffective" Signed-off-by:
Zwane Mwaikambo <zwane@arm.linux.org.uk> Cc: "Seth, Rohit" <rohit.seth@intel.com> Cc: Zachary Amsden <zach@vmware.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
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Tobias Klauser authored
Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) Signed-off-by:
Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by:
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Paul Mundt authored
SH7705 in extended cache mode has some left-over VALID_PAGE() cruft that it checks when doing lazy dcache write-back. This has been gone for some time (the last bits were in the discontig code, which should now also be gone -- this also fixes up a build error in the non-discontig case). pfn_valid() gives the desired behaviour, so we switch to that. Signed-off-by:
Paul Mundt <lethal@linux-sh.org> Signed-off-by:
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Paul Mundt authored
There was only one board using this (hp690 specifically), and it just so happens that it's only physically discontiguous at the "normal" P1 offset. If we bump up the P1 offset, it's possible to hit a shadowed region of memory where we suddenly become magically contiguous. As people have been using this shadowed region workaround for quite some time (and without any adverse effects), it's time to drop the left over discontig bits that no longer have any practical use (it was always very much hp690-centric to begin with). Signed-off-by:
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Paul Mundt authored
Presently it is bogus to call pte_mkhuge() outside of the CONFIG_HUGETLB_PAGE context, as the only processors that support _PAGE_SZHUGE do so in the hugetlbpage context only (and this is the only time that _PAGE_SZHUGE is even defined). SH-2 and SH-3 do not support huge pages at all, and so it is not possible to enable this. Signed-off-by:
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Paul Mundt authored
This adds support for the relatively quirky (ie, not in line with any known documentation, and amazed it works at all) SuperHyway implementation on SH4-202. This depends on the earlier SuperHyway patch for multiple block support and VCR refactoring. Signed-off-by:
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Paul Mundt authored
This extends the API somewhat to allow for platform-specific VCR reading and writing. Some platforms (like SH4-202) implement the VCR in a split VCRL and VCRH, but end up being in reverse order or have other quirks that need to be dealt with, so we add a set of superhyway_ops per-bus to accomodate this. We also have to extend the per-device resources somewhat, as some devices now conveniently split control and data blocks. So we allow a platform to register its set of SuperHyway devices via superhyway_add_devices() with the control block always ordered as the first resource (as this is the one that userspace cares about). Signed-off-by:
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Paul Mundt authored
sh had its own support for embedding ramdisk images in to the kernel binary, but people are using initramfs for this now, so we drop the ramdisk embedding. Signed-off-by:
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Paul Mundt authored
drivers/sh/ got dropped from drivers/Makefile, so add it back in.. Signed-off-by:
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Pantelis Antoniou authored
Kconfig patch needed by fs_enet to work. Works like CONFIG_CPM2. Cc: Kumar <kumar.gala@freescale.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Matt Porter <mporter@kernel.crashing.org> Signed-off-by:
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Matt Porter authored
This missing initrd header slipped though last time. Signed-off-by:
Stefan Roese <sr@denx.de> Signed-off-by:
Matt Porter <mporter@kernel.crashing.org> Signed-off-by:
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Matt Porter authored
On PPC405GP/GPR it should be possible to enable PCI support, even when the internal PCI arbiter is disabled (e.g. when using an external PCI arbiter). The removed code didn't allow this, and also generated a warning on PPC405EP platforms. Signed-off-by:
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Matt Porter authored
Cleanup PPC40x eval boards (bubinga, walnut and sycamore) to support U-Boot as bootloader. The OpenBIOS bd_info struct is not used in the kernel anymore (only U-Boot now). uImage (U-Boot) tested on walnut, sycamore and bubinga zImage (OpenBIOS) tested on sycamore, bubinga and ebony Signed-off-by:
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Roland Dreier authored
Add support for AMCC PowerPC 440SPe "Yucca" eval board platform. Signed-off-by:
Roland Dreier <rolandd@cisco.com> Cc: Matt Porter <mporter@kernel.crashing.org> Signed-off-by:
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Roland Dreier authored
Add support for the AMCC PowerPC 440SPe SoC, including PCI Express in root port mode. Signed-off-by:
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Roland Dreier authored
The PowerPC 440SP SoC has two Processor Local Bus (PLB) segments (a high-throughput segment and a low-latency segment). Fix our PLB register definitions to cope with this, and add code to dump the status of both segments when a machine check occurs. Signed-off-by:
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Roland Dreier authored
The PowerPC 440SPe supports up to 16 GB of RAM, and therefore its IO registers are at 0x4_xxxx_xxxx instead of being at 0x1_xxxx_xxxx like most other PPC 440 chips. To allow for this, this patch moves the definition of the ERPN used for mapping UART0 from being hard-coded in the head_44x.S assembly code to being defined in ibm44x.h. Signed-off-by:
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Lee Nicks authored
This patch adds watchdog, RTC support for Marvell EV64360BP board. Signed-off-by:
Lee Nicks <allinux@gmail.com> Signed-off-by:
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Stephen Hemminger authored
It is not valid to enable scatter/gather without hardware checksum support of some kind. (akpm: applies only to the old boomerang cards). Signed-off-by:
Stephen Hemminger <shemminger@osdl.org> Signed-off-by:
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John W. Linville authored
Add capability for 3c59x driver to use memory-mapped PCI I/O resources. This may improve performance for those devices so equipped. This will be the default behaviour for IS_CYCLONE and IS_TORNADO devices. Additionally, it can be enabled/disabled individually for up to MAX_UNITS number of devices via the use_mmio module option or for all units via the global_use_mmio option. The use_mmio option overrides the global_use_mmio option for those devices specified. Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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John W. Linville authored
Only increment rx_dropped in case of lack of resources (i.e. not for frames with errors). Signed-off-by:
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John W. Linville authored
Add support for ETHTOOL_GPERMADDR to 3c59x. Signed-off-by:
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John W. Linville authored
Correct several (apparently cut & paste) grammatical typos in module parameter descriptions. They seem to have originated as copies of the description for "global_options". Signed-off-by:
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John W. Linville authored
Beautify the array initilizations for the module parameters. Signed-off-by:
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John W. Linville authored
Add bounds checking to usage of hw_checksums module parameter array. Signed-off-by:
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Tommy Christensen authored
In order to spare some I/O operations, be more intelligent about when to read from the PHY. Pointed out by Bogdan Costescu. Signed-off-by:
Tommy S. Christensen <tommy.christensen@tpack.net> Signed-off-by:
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