- 09 Oct, 2003 23 commits
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David S. Miller authored
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David S. Miller authored
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David S. Miller authored
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Linus Torvalds authored
cause NULL pointer references in /proc. Moreover, it's questionable whether the whole thing makes sense at all. Per-thread state is good. Cset exclude: davem@nuts.ninka.net|ChangeSet|20031005193942|01097 Cset exclude: akpm@osdl.org[torvalds]|ChangeSet|20031005180420|42200 Cset exclude: akpm@osdl.org[torvalds]|ChangeSet|20031005180411|42211
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Paul Mundt authored
net/sunrpc/clnt.c does not compile if RPC_DEBUG is not enabled, due to the fact that tk_pid is protected by RPC_DEBUG (which in turn depends on CONFIG_SYSCTL). The printk's that use it don't actually need to print it out at all, the rpc_task tag isn't really interesting here. Acked by Trond Myklebust.
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Matthew Wilcox authored
The Zoran driver doesn't include <asm/io.h> and thus won't compile on architectures where that doesn't get implicitly included through some other path. Add the proper includes.
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Andi Kleen authored
This is the latest iteration of the workaround for the Athlon/Opteron prefetch erratum. Sometimes the CPU would incorrectly report an exception on prefetch. This supercedes the previous dumb workaround of checking for AMD CPUs in prefetch(). That one bloated the kernel by several KB and lead to lots of unnecessary checks in hot paths. Also this one handles user space faults too, so the kernel can effectively isolte the user space from caring about this errata. Instead it handles it in the slow path of the exception handler (the check is only done when the kernel would normally trigger seg fault or crash anyways) All the serious criticisms to the previous patches have been addressed. It checks segment bases now, handles vm86 mode and avoids deadlocks when the prefetch exception happened inside mmap_sem. This includes review and fixes from Jamie Lokier and Andrew Morton. Opcode decoder based on code from Richard Brunner.
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Corey Minyard authored
This fixes some problems with timing calculations (primarily for ia64) and adds an operation to send panic strings to the IPMI event log on a panic.
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Mikael Pettersson authored
Since 2.6.0-test6, ftape can't be configured as a built-in driver. test6 changed ftape-init.c to call ftape_proc_destroy() also in the non-MODULE case; however, ftape_proc_destroy() is only defined when the driver is built as a module. The result is a linkage error. This fixes this by deleting the #if MODULE around ftape_proc_destroy()'s definition.
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Linus Torvalds authored
on lots of PCI-only setups that have no ISA anywhere.
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Michael Hunold authored
- add vbi device handling for dvb-c cards with analog module - fix error handling upon device initialization - fix DD1_INIT handling of DVB-C w/ analog module installed. (Jon Burgess)
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Michael Hunold authored
- fixed some return values in device attach functions - allow private data to be associated with frontend devices here, too - misc bugfixes and performance improvements (endianess, function split up)
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Michael Hunold authored
- applied latest changes by Juergen Peitz (great work!) o as a workaround for the lockup problem the data valid signal is checked after every channel switch. If it is not set FEC parameters are set again. o disabled autoprobing if FEC settings are known (from sp887x). o added support for FE_READ_UNCORRECTED_BLOCKS (from sp887x). o added support for FE_SLEEP (from sp887x). o bit error rate is now not only read from register 0xC07 but also from 0xC08 (from sp887x). o I2C feedthrough to the tuner is now only enabled when needed (from sp887x). o Added FE_CAN_QAM_AUTO and FE_CAN_HIERARCHY_AUTO to dvb_frontend_info. o Removed obsolete setting of default frontend parameters in sp8870_init. o Removed obsolete module parameter 'loadcode' because changes in the saa7146 driver made firmware loading very fast.
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Michael Hunold authored
- simplify and sanitize add/del handling for dvb net devices
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Michael Hunold authored
- allow private data to be associated with dvb frontend devices (Andreas Oberritter) - fixed fe_count countint in nxt6000 frontend driver (Andreas Oberritter)
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Michael Hunold authored
- add some debug and safety checks for video/vbi capture buffer handling - add new flag SAA7146_USE_PORT_B_FOR_VBI, so we can distinguish on which video port to apply the vbi workaround - add del_timer(...) for vbi capture queue and vbi_read timers, prevents oopses on vbi usage
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Michael Hunold authored
- replace alps_bsrv2 driver by generic ves1893 & ves1993 driver (Andreas Oberritter)
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Andi Kleen authored
Fix another 64bit bug, this time in the trident frame buffer driver When storing the ioremap_nocache() return in a integer the variable must be long not int.
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Rusty Russell authored
Paul McKenney convinced me that there's no *guarantee* that all archs will refuse the speculate the atomic ops above the state test, eg: CPU0 (stopref_set_state) CPU1 (stopref) atomic_set(&ack, 0); if (state == XXX) wmb(); atomic_inc(&ack); state = XXX; Certainly Alpha needs a rmb() inside stopref to guarantee it sees the same ordering.
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Rusty Russell authored
The range that the iptables limit extension can specify depends on HZ. This means that rules which worked i386 2.4 (100 HZ) won't work on 2.6. The solution is to adjust the precision based on the HZ value (keeping the range of possible values the same). For extra geek cred, this is done by calculating a power-of-two constant below the maximum multiplication factor, which gcc then turns into a simple shift.
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Rusty Russell authored
From: Stephen Hemminger <shemminger@osdl.org> Compile errors in the pcmcia/tcic driver if PCMCIA_DEBUG is defined. Looks like simple debug code bitrot, this fixes it.
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Linus Torvalds authored
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bk://ppc.bkbits.net/for-linus-ppcLinus Torvalds authored
into home.osdl.org:/home/torvalds/v2.5/linux
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- 10 Oct, 2003 1 commit
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Paul Mackerras authored
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- 09 Oct, 2003 2 commits
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Paul Mackerras authored
into samba.org:/stuff/paulus/kernel/for-linus-ppc
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Paul Mackerras authored
At the moment the aty128fb and matroxfb frame buffer drivers don't compile on PPC. In both cases the error is pretty trivial. This patch is the minimum change to fix the problems. The _IOR() type problem fix in aty128fb.c depends on the fact that the size of a pointer is the same as "size_t", so we don't have to use _IOR_BAD() to keep the ioctl number the same.
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- 08 Oct, 2003 14 commits
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Linus Torvalds authored
Noted by Al Viro: if no handler exists (and we have IRQ_INPROGRESS set because of an earlier irq that got through), synchronize_irq() will end up waiting forever.
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Jamie Lokier authored
This fixes two serious bugs in the futex code. One is a race condition which results in list corruption when FUTEX_REQUEUE is used. It is due to the split locks change introduced in 2.6.0-test6, and oopses when triggered. The other is a security hole. A program can use FUTEX_FD to create futexes on mms or inodes which don't reference them, and when those structures are reused by a different mm or inode, the addresses match. The effect is that a malicious or flawed program can steal wakeups from completely unrelated tasks, causing them to block (or worse if they are counting on the token passing property). These are the specific changes: 1. Each futex_q retains a reference to its key mm or inode. 2. The condition for a futex_q to indicate that it's woken can usually be interrogated lock-free. 3. futex_wait calls the hash function once instead of three times, and usually takes the per-bucket lock once too. 4. When a futex is woken, the per-bucket lock is not usually taken, so that's one less cache line transfer during heavy SMP futex use. 5. The wait condition and barriers in futex_wait are simpler. 5. FUTEX_REQUEUE is fixed. The per-bucket lock juggling is done in such a way that there are no race conditions against the tests for whether a futex is woken. This patch is an combination of patches previously sent to the list. An equivalent patch has been in Andrew Morton's tree for a while, with no failure reports. Also I have been running it on my own SMP box for a while. Conversely, we have received an oops report for the 2.6.0-test6 code, so the fix is needed.
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Jamie Lokier authored
1. send_sigio() sends to a specific thread, _not_ a process. (It can also send to a process group, but that's not relevant here). This is useful, and should stay as it is. Therefore it makes _no sense_ to call f_setown() with current->tgid. Presently the kernel is inconsistent about it, with some places using current->pid and some others using current->tgid. This patch changes f_setown() calls to use current->pid. 2. In some places, f_setown() is called not at the user's direct request, but as a side effect of another function. Specifically: dnotify and file leases. It is good to allow a program the flexibility to specify a different pid than the default, using F_SETOWN. Presently they can do this after the dnotify or lease call, but there is a small time window when it will be temporarily set to current->tgid (which as pointed out above, is not always right). The window is avoidable if the program can use F_SETOWN prior to the dnotify or lease call. This is exactly what the "force" argument to f_setown() is for, and this patch changes it to zero in those callers. This change is not likely to affect any existing programs.
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Trond Myklebust authored
Enable NFS_DIRECTIO support now that it has been fixed...
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Trond Myklebust authored
- Support synchronous directio only. Defer asynchronous directio until it can be made safe. - If read/write exits due to an error, return number of bytes read/written prior to occurrence of the error. - Make sure we mark read pages as dirty in case we're doing zero-copy tricks. Export set_page_dirty_lock() for use by NFS directio. - Ensure we revalidate stale attribute info.
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Trond Myklebust authored
Add support for synchronous calls to the NFSv3/v4 COMMIT functions.
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Trond Myklebust authored
It is in any case no longer needed.
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Trond Myklebust authored
- Use correct credentials in the NFSv4 synchronous read/write code. - Return correct number of read bytes in the NFSv4 synchronous read code. - SunRPC XDR fix: NFSv4 reads when caller requests a non-word aligned number of bytes was broken.
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bk://kernel.bkbits.net//home/mochel/linux-2.5-powerLinus Torvalds authored
into home.osdl.org:/home/torvalds/v2.5/linux
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bk://kernel.bkbits.net//home/mochel/linux-2.5-coreLinus Torvalds authored
into home.osdl.org:/home/torvalds/v2.5/linux
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Andi Kleen authored
This just disables some drivers which are clearly not 64bit clean from the configuration for CONFIG_64BIT hosts. Partly from Arnd Bergmann.
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Andi Kleen authored
From Arnd Bergmann.
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Andi Kleen authored
Various APIC/ACPI fixes for x86-64. This brings us closer to working out of the box on the now popular VIA and NVidia Nforce3 based Athlon64 and Opteron boards. To be really good we would need more ACPI changes (still waiting for that to be all merged through the usual channels). With this we mostly work with acpi=off at least. Also it syncs us up with bugfixes done in 2.4. - Disable IO-APIC by default on non SMP VIA/NVidia boards. This is a bit of a hack, but needed to work around ACPI bugs. Can be overwriten with "apic". - Add acpi=ht, meaning run ACPI boot setup, but do not enable the interpreter. Same as i386. - Stop MADT parsing early when local APIC or IO-APIC are disabled - Add more option parsing early enough to actually change the boot process - Update documentation for command line options
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bk://bk.arm.linux.org.uk/linux-2.6-serialLinus Torvalds authored
into home.osdl.org:/home/torvalds/v2.5/linux
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