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2005-10-23[NEIGH] Print stack trace in neigh_add_timerHerbert Xu1-0/+1
Stack traces are very helpful in determining the exact nature of a bug. So let's print a stack trace when the timer is added twice. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2005-10-22[PATCH] alpha: additional smp barriersIvan Kokshaysky1-4/+8
As stated in Documentation/atomic_ops.txt, atomic functions returning values must have the memory barriers both before and after the operation. Thanks to DaveM for pointing that out. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-22[AX.25]: Fix signed char bugRalf Baechle1-1/+1
On architectures where the char type defaults to unsigned some of the arithmetic in the AX.25 stack to fail, resulting in some packets being dropped on receive. Credits for tracking this down and the original patch to Bob Brose N0QBJ <linuxhams@n0qbj-11.ampr.org>. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-22[SK_BUFF]: ipvs_property field must be copiedJulian Anastasov2-0/+9
IPVS used flag NFC_IPVS_PROPERTY in nfcache but as now nfcache was removed the new flag 'ipvs_property' still needs to be copied. This patch should be included in 2.6.14. Further comments from Harald Welte: Sorry, seems like the bug was introduced by me. Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-21[PATCH] typo fix in last cpufreq powernow patchChris Wright1-1/+1
Not sure how it slipped by, but here's a trivial typo fix for powernow. Signed-off-by: Chris Wright <chrisw@osdl.org> [ It's "nurter" backwards.. Maybe we have a hillbilly The Shining fan? ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] Call exit_itimers from do_exit, not __exit_signalRoland McGrath3-14/+3
When I originally moved exit_itimers into __exit_signal, that was the only place where we could reliably know it was the last thread in the group dying, without races. Since then we've gotten the signal_struct.live counter, and do_exit can reliably do group-wide cleanup work. This patch moves the call to do_exit, where it's made without locks. This avoids the deadlock issues that the old __exit_signal code's comment talks about, and the one that Oleg found recently with process CPU timers. [ This replaces e03d13e985d48ac4885382c9e3b1510c78bd047f, which is why it was just reverted. ] Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21Revert "Fix cpu timers exit deadlock and races"Linus Torvalds1-11/+17
Revert commit e03d13e985d48ac4885382c9e3b1510c78bd047f, to be replaced by a much nicer fix from Roland.
2005-10-21[PATCH] cpufreq: fix pending powernow timer stuck conditionDave Jones1-11/+19
AMD recently discovered that on some hardware, there is a race condition possible when a C-state change request goes onto the bus at the same time as a P-state change request. Both requests happen, but the southbridge hardware only acknowledges the C-state change. The PowerNow! driver is then stuck in a loop, waiting for the P-state change acknowledgement. The driver eventually times out, but can no longer perform P-state changes. It turns out the solution is to resend the P-state change, which the southbridge will acknowledge normally. Thanks to Johannes Winkelmann for reporting this and testing the fix. Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] ppc64: Fix typo bug in iSeries hash codeDavid Gibson1-1/+1
This fixes a stupid typo bug in the iSeries hash table code. When we place a hash PTE in the secondary bucket, instead of setting the SECONDARY flag bit, as we should, we (redundantly) set the VALID flag. This was introduced with the patch abolishing bitfields from the hash table code. Mea culpa, oops. It hasn't been noticed until now because in practice we don't hit the secondary bucket terribly often. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] drm: another mga bugDave Airlie3-3/+4
The wrong state emission routines were being called for G550, and consistent maps weren't correctly mapped... Signed-off-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] ppc64: Fix pages marked dirty abusivelyBenjamin Herrenschmidt1-2/+1
While working on 64K pages, I found this little buglet in our update_mmu_cache() implementation. The code calls __hash_page() passing it an "access" parameter (the type of access that triggers the hash) containing the bits _PAGE_RW and _PAGE_USER of the linux PTE. The latter is useless in this case and the former is wrong. In fact, if we have a writeable PTE and we pass _PAGE_RW to hash_page(), it will set _PAGE_DIRTY (since we track dirty that way, by hash faulting !dirty) which is not what we want. In fact, the correct fix is to always pass 0. That means that only read-only or already dirty read write PTEs will be preloaded. The (hopefully rare) case of a non dirty read write PTE can't be preloaded this way, it will have to fault in hash_page on the actual access. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] ppc64: Fix typo in time calculationsPaul Mackerras1-1/+1
This fixes a typo in the div128_by_32 function used in the timekeeping calculations on ppc64. If you look at the code it's quite obvious that we need (rb + c) rather than (rb + b). The "b" is clearly just a typo. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] mptsas: fix phy identifiersEric Moore1-4/+8
This fixes handling of the phy identifiers in mptsas. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> [ split it a pre-2.6.14 portion from Eric's bigger patch ] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[ARM] Fix Integrator IM/PD-1 supportRussell King1-7/+8
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-20[ARM] 3028/1: S3C2410 - add DCLK mask definitionsBen Dooks1-0/+6
Patch from Ben Dooks From: Guillaume Gourat <guillaume.gourat@nexvision.fr> Add MASK definitions for DCLK0 and DCLK1 Signed-off-by: Guillaume Gourat <guillaume.gourat@nexvision.fr> Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-20[ARM] 3027/1: BAST - reduce NAND timings slightlyBen Dooks1-3/+3
Patch from Ben Dooks The current Simtec BAST nand area timings are a little too slow to be obtained by a 2410 running at 266MHz, so reduce the timings slightly to bring them into the acceptable range. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-20[ARM] 3026/1: S3C2410 - avoid possible overflow in pll calculationsBen Dooks1-4/+11
Patch from Ben Dooks Avoid the possiblity that if the board is using a 16.9334 or higher crystal with a high PLL multiplier, then the pll value could overflow the capability of an int. Also fix the value types of the intermediate variables to unsigned int. Rewrite of patch from Guillaume Gourat Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-20[ARM] 3025/1: Add I2S platform device for PXAMatt Reimer1-0/+20
Patch from Matt Reimer Adds an I2S platform_device for PXA. I2S is used to interface with sound chips on systems like iPAQ h1910/h2200/hx4700 and Asus 716. Signed-off-by: mreimer@vpop.net Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-20[TCP] Allow len == skb->len in tcp_fragmentHerbert Xu1-11/+1
It is legitimate to call tcp_fragment with len == skb->len since that is done for FIN packets and the FIN flag counts as one byte. So we should only check for the len > skb->len case. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-20[DCCP]: Clear the IPCB areaHerbert Xu2-0/+3
Turns out the problem has nothing to do with use-after-free or double-free. It's just that we're not clearing the CB area and DCCP unlike TCP uses a CB format that's incompatible with IP. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Ian McDonald <imcdnzl@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-20[DCCP]: Make dccp_write_xmit always free the packetHerbert Xu2-3/+2
icmp_send doesn't use skb->sk at all so even if skb->sk has already been freed it can't cause crash there (it would've crashed somewhere else first, e.g., ip_queue_xmit). I found a double-free on an skb that could explain this though. dccp_sendmsg and dccp_write_xmit are a little confused as to what should free the packet when something goes wrong. Sometimes they both go for the ball and end up in each other's way. This patch makes dccp_write_xmit always free the packet no matter what. This makes sense since dccp_transmit_skb which in turn comes from the fact that ip_queue_xmit always frees the packet. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-20[DCCP]: Use skb_set_owner_w in dccp_transmit_skb when skb->sk is NULLHerbert Xu1-4/+2
David S. Miller <davem@davemloft.net> wrote: > One thing you can probably do for this bug is to mark data packets > explicitly somehow, perhaps in the SKB control block DCCP already > uses for other data. Put some boolean in there, set it true for > data packets. Then change the test in dccp_transmit_skb() as > appropriate to test the boolean flag instead of "skb_cloned(skb)". I agree. In fact we already have that flag, it's called skb->sk. So here is patch to test that instead of skb_cloned(). Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Ian McDonald <imcdnzl@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2005-10-20[PATCH] Fix handling spurious page fault for hugetlb regionHugh Dickins3-25/+27
This reverts commit 3359b54c8c07338f3a863d1109b42eebccdcf379 and replaces it with a cleaner version that is purely based on page table operations, so that the synchronization between inode size and hugetlb mappings becomes moot. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19Linux v2.6.14-rc5Linus Torvalds1-1/+1
The -rc4 release was supposed to be the last -rc, but here goes. The RCU fixes and the swiotlb changes need an -rc for final testing.
2005-10-19[PATCH] build fix for uml/amd64Al Viro1-4/+0
Missing half of the [PATCH] uml: Fix sysrq-r support for skas mode We need to remove these (UPT_[DEFG]S) from the read side as well as the write one - otherwise it simply won't build. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] scsi_error thread exits in TASK_INTERRUPTIBLE state.Steven Rostedt1-0/+2
Found in the -rt patch set. The scsi_error thread likely will be in the TASK_INTERRUPTIBLE state upon exit. This patch fixes this bug. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] ppc64: update defconfigsPaul Mackerras6-163/+380
Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] swiotlb: make sure initial DMA allocations really are in DMA memoryYasunori Goto3-14/+53
This introduces a limit parameter to the core bootmem allocator; The new parameter indicates that physical memory allocated by the bootmem allocator should be within the requested limit. We also introduce alloc_bootmem_low_pages_limit, alloc_bootmem_node_limit, alloc_bootmem_low_pages_node_limit apis, but alloc_bootmem_low_pages_limit is the only api used for swiotlb. The existing alloc_bootmem_low_pages() api could instead have been changed and made to pass right limit to the core allocator. But that would make the patch more intrusive for 2.6.14, as other arches use alloc_bootmem_low_pages(). We may be done that post 2.6.14 as a cleanup. With this, swiotlb gets memory within 4G for both x86_64 and ia64 arches. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Ravikiran G Thirumalai <kiran@scalex86.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] `unaligned access' in acpi get_root_bridge_busnr()Peter Chubb1-4/+4
In drivers/acpi/glue.c the address of an integer is cast to the address of an unsigned long. This breaks on systems where a long is larger than an int --- for a start the int can be misaligned; for a second the assignment through the pointer will overwrite part of the next variable. Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au> Acked-by: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] fix MGA DRM regression before 2.6.14Dave Airlie1-3/+19
I've gotten a report on lkml, of a possible regression in the MGA DRM in 2.6.14-rc4 (since -rc1), I haven't been able to reproduce it here, but I've figured out some possible issues in the mga code that were definitely wrong, some of these are from DRM CVS, the main fix is the agp enable bit on the old code path still used by everyone..... Signed-off-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] Threads shouldn't inherit PF_NOFREEZEAlan Stern1-1/+1
The PF_NOFREEZE process flag should not be inherited when a thread is forked. This patch (as585) removes the flag from the child. This problem is starting to show up more and more as drivers turn to the kthread API instead of using kernel_thread(). As a result, their kernel threads are now children of the kthread worker instead of modprobe, and they inherit the PF_NOFREEZE flag. This can cause problems during system suspend; the kernel threads are not getting frozen as they ought to be. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] Export RCS_TAR_IGNORE for rpm targetsTom Rini1-1/+1
The variable RCS_TAR_IGNORE is used in scripts/packaging/Makefile, but not exported from the main Makefile, so it's never used. This results in the rpm targets being very unhappy in quilted trees. Signed-off-by: Tom Rini <trini@kernel.crashing.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] ppc64: Fix error in vDSO 32 bits dateBenjamin Herrenschmidt1-1/+1
The implementation of __kernel_gettimeofday() in the 32 bits vDSO has a small bug (a typo actually) that will cause it to lose 1 bit of precision. Not terribly bad but worth fixing. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] Three one-liners in md.cNeilBrown1-1/+3
The main problem fixes is that in certain situations stopping md arrays may take longer than you expect, or may require multiple attempts. This would only happen when resync/recovery is happening. This patch fixes three vaguely related bugs. 1/ The recent change to use kthreads got the setting of the process name wrong. This fixes it. 2/ The recent change to use kthreads lost the ability for md threads to be signalled with SIG_KILL. This restores that. 3/ There is a long standing bug in that if: - An array needs recovery (onto a hot-spare) and - The recovery is being blocked because some other array being recovered shares a physical device and - The recovery thread is killed with SIG_KILL Then the recovery will appear to have completed with no IO being done, which can cause data corruption. This patch makes sure that incomplete recovery will be treated as incomplete. Note that any kernel affected by bug 2 will not suffer the problem of bug 3, as the signal can never be delivered. Thus the current 2.6.14-rc kernels are not susceptible to data corruption. Note also that if arrays are shutdown (with "mdadm -S" or "raidstop") then the problem doesn't occur. It only happens if a SIGKILL is independently delivered as done by 'init' when shutting down. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] raw1394: fix locking in the presence of SMP and interruptsAndy Wingo2-49/+57
Changes all spinlocks that can be held during an irq handler to disable interrupts while the lock is held. Changes spin_[un]lock_irq to use the irqsave/irqrestore variants for robustness and readability. In raw1394.c:handle_iso_listen(), don't grab host_info_lock at all -- we're not accessing host_info_list or host_count, and holding this lock while trying to tasklet_kill the iso tasklet this can cause an ABBA deadlock if ohci:dma_rcv_tasklet is running and tries to grab host_info_lock in raw1394.c:receive_iso. Test program attached reliably deadlocks all SMP machines I have been able to test without this patch. Signed-off-by: Andy Wingo <wingo@pobox.com> Acked-by: Ben Collins <bcollins@ubuntu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] orinoco: limit message rateAndrew Morton1-2/+3
Brice Goglin <Brice.Goglin@ens-lyon.org> reports a printk storm from this driver. Fix. Acked-by: David Gibson <hermes@gibson.dropbear.id.au> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] mm: hugetlb truncation fixesHugh Dickins1-14/+21
hugetlbfs allows truncation of its files (should it?), but hugetlb.c often forgets that: crashes and misaccounting ensue. copy_hugetlb_page_range better grab the src page_table_lock since we don't want to guess what happens if concurrently truncated. unmap_hugepage_range rss accounting must not assume the full range was mapped. follow_hugetlb_page must guard with page_table_lock and be prepared to exit early. Restyle copy_hugetlb_page_range with a for loop like the others there. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] Fix cpu timers exit deadlock and racesRoland McGrath1-17/+11
Oleg Nesterov reported an SMP deadlock. If there is a running timer tracking a different process's CPU time clock when the process owning the timer exits, we deadlock on tasklist_lock in posix_cpu_timer_del via exit_itimers. That code was using tasklist_lock to check for a race with __exit_signal being called on the timer-target task and clearing its ->signal. However, there is actually no such race. __exit_signal will have called posix_cpu_timers_exit and posix_cpu_timers_exit_group before it does that. Those will clear those k_itimer's association with the dying task, so posix_cpu_timer_del will return early and never reach the code in question. In addition, posix_cpu_timer_del called from exit_itimers during execve or directly from timer_delete in the process owning the timer can race with an exiting timer-target task to cause a double put on timer-target task struct. Make sure we always access cpu_timers lists with sighand lock held. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Chris Wright <chrisw@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[ARM] 3024/1: Add cpu_v6_proc_finTony Lindgren1-1/+8
Patch from Tony Lindgren Machine restart calls cpu_proc_fin() to clean and disable cache, and turn off interrupts. This patch adds proper cpu_v6_proc_fin. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-19[PATCH] Handle spurious page fault for hugetlb regionSeth, Rohit2-2/+25
The hugetlb pages are currently pre-faulted. At the time of mmap of hugepages, we populate the new PTEs. It is possible that HW has already cached some of the unused PTEs internally. These stale entries never get a chance to be purged in existing control flow. This patch extends the check in page fault code for hugepages. Check if a faulted address falls with in size for the hugetlb file backing it. We return VM_FAULT_MINOR for these cases (assuming that the arch specific page-faulting code purges the stale entry for the archs that need it). Signed-off-by: Rohit Seth <rohit.seth@intel.com> [ This is apparently arguably an ia64 port bug. But the code won't hurt, and for now it fixes a real problem on some ia64 machines ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[SCSI] scsi_error thread exits in TASK_INTERRUPTIBLE state.Steven Rostedt1-0/+2
Found in the -rt patch set. The scsi_error thread likely will be in the TASK_INTERRUPTIBLE state upon exit. This patch fixes this bug. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-18[ARM] 3023/1: pxa-regs: Typo in ARM pxa register definitions.Paul Schulz1-1/+1
Patch from Paul Schulz The following trivial patch is to fix what looks like a typo in the PXA register definitions. The correction comes directly from the definition in the Intel Documentation. http://www.intel.com/design/pca/applicationsprocessors/manuals/278693.htm Intel(R) PXA 255 Processor - Developers Manual - Jan 2004 - Page 12-33 Neither 'UDCCS_IO_ROF' or 'UDCCS_IO_DME' are currently used elseware in the main code (from grep of tree)... The current definitions have been in the code since at lease 2.4.7. Signed-off-by: Paul Schulz <paul@mawsonlakes.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-18[PATCH] vesafb: Fix display corruption on display blankAntonino A. Daplas1-3/+3
Reported by: Bob Tracy <rct@gherkin.frus.com> "...I've got a Toshiba notebook (730XCDT -- Pentium 150MMX) for which I'm using the Vesa FB driver. When the machine has been idle for some time and the driver attempts to powerdown the display, rather than the display going blank, it goes gray with several strange lines. When I hit the "shift" key or other-wise wake up the display, the old video state is not fully restored..." vesafb recently added a blank method which has only 2 states, powerup and powerdown. The powerdown state is used for all blanking levels, but in his case, powerdown does not work correctly for higher levels of display powersaving. Thus, for intermediate power levels, use software blanking, and use only hardware blanking for an explicit powerdown. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-18Add some basic .gitignore filesLinus Torvalds10-0/+84
This still leaves driver and architecture-specific subdirectories alone, but gets rid of the bulk of the "generic" generated files that we should ignore. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-18[ARM] 3021/1: Interrupt 0 bug fix for ixp4xxKenneth Tan1-4/+5
Patch from Kenneth Tan The get_irqnr_and_base subroutine of ixp4xx does not take interrupt 0 condition into account properly. We should not perform "subs" here. The Z flag will be set when interrupt 0 occur, which resulting "movne r1, sp" in the caller routine (irq_handler) not being executed. When interrupt 0 occur: o if CONFIG_CPU_IXP46X is not set, "subs" will set the Z flag and return o if CONFIG_CPU_IXP46X is set, codes in upper interrupt handling will be trigerred. But since this is not supper interrupt, the "cmp" in the upper interrupt handling portion will set the Z flag and return Signed-off-by: Kenneth Tan <chong.yin.tan@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-18[ARM] 3020/1: Fixes typo error CONFIG_CPU_IXP465, which should be CONFIG_CPU_IXP46XKenneth Tan1-1/+1
Patch from Kenneth Tan The cpu_is_ixp465 macro in include/asm-arm/arch-ixp4xx/hardware.h is always returning 0 because #ifdef CONFIG_CPU_IXP465 is always false. Signed-off-by: Kenneth Tan <chong.yin.tan@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-18[ARM] 3019/1: fix wrong commentsNicolas Pitre1-2/+2
Patch from Nicolas Pitre Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-18[ARM] 3018/1: S3C2410 - check de-referenced device is really a platform deviceBen Dooks1-1/+4
Patch from Ben Dooks Check that the device we are looking at is really a platform device before trying to cast it to one to find out the platform bus number. Thanks to RMK for pointing this out. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-17[PATCH] kbuild: Eliminate build error when KALLSYMS not definedMark Rustad1-1/+3
The following build error happens with 2.6.14-rc4 when CONFIG_KALLSYMS is not defined. The error message in a fragment of the output was: CC arch/i386/lib/usercopy.o AR arch/i386/lib/lib.a /bin/sh: line 1: +@: command not found make[3]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. CHK include/linux/compile.h Signed-off-by: Mark Rustad <mrustad@mac.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-17[PATCH] aio: revert lock_kiocb()Zach Brown2-26/+7
lock_kiocb() was introduced to serialize retrying and cancellation. In the process of doing so it tried to sleep waiting for KIF_LOCKED while holding the ctx_lock spinlock. Recent fixes have ensured that multiple concurrent retries won't be attempted for a given iocb. Cancel has other problems and has no significant in-tree users that have been complaining about it. So for the immediate future we'll revert sleeping with the lock held and will address proper cancellation and retry serialization in the future. Signed-off-by: Zach Brown <zach.brown@oracle.com> Acked-by: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>