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2006-09-27[PATCH] Really ignore kmem_cache_destroy return valueAlexey Dobriyan33-107/+42
* Rougly half of callers already do it by not checking return value * Code in drivers/acpi/osl.c does the following to be sure: (void)kmem_cache_destroy(cache); * Those who check it printk something, however, slab_error already printed the name of failed cache. * XFS BUGs on failed kmem_cache_destroy which is not the decision low-level filesystem driver should make. Converted to ignore. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] fs: Removing useless castsPanagiotis Issaris21-48/+37
* Removing useless casts * Removing useless wrapper * Conversion from kmalloc+memset to kzalloc Signed-off-by: Panagiotis Issaris <takis@issaris.org> Acked-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] fs: Conversions from kmalloc+memset to k(z|c)allocPanagiotis Issaris35-84/+43
Conversions from kmalloc+memset to kzalloc. Signed-off-by: Panagiotis Issaris <takis@issaris.org> Jffs2-bit-acked-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] more ext3 16T overflow fixesEric Sandeen2-6/+23
Some of the changes in balloc.c are just cosmetic, as Andreas pointed out - if they overflow they'll then underflow and things are fine. 5th hunk actually fixes an overflow problem. Also check for potential overflows in inode & block counts when resizing. Signed-off-by: Eric Sandeen <esandeen@redhat.com> Cc: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext3: Fix sparse warningsDave Kleikamp4-15/+14
Fixing up some endian-ness warnings in preparation to clone ext4 from ext3. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext3: More whitespace cleanupsDave Kleikamp14-48/+48
More white space cleanups in preparation of cloning ext4 from ext3. Removing spaces that precede a tab. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext3: wrong error behaviorVasily Averin1-5/+6
SWsoft Virtuozzo/OpenVZ Linux kernel team has discovered that ext3 error behavior was broken in linux kernels since 2.5.x versions by the following patch: 2002/10/31 02:15:26-05:00 tytso@snap.thunk.org Default mount options from superblock for ext2/3 filesystems http://linux.bkbits.net:8080/linux-2.6/gnupatch@3dc0d88eKbV9ivV4ptRNM8fBuA3JBQ In case ext3 file system is mounted with errors=continue (EXT3_ERRORS_CONTINUE) errors should be ignored when possible. However at present in case of any error kernel aborts journal and remounts filesystem to read-only. Such behavior was hit number of times and noted to differ from that of 2.4.x kernels. This patch fixes this: - do nothing in case of EXT3_ERRORS_CONTINUE, - set EXT3_MOUNT_ABORT and call journal_abort() in all other cases - panic() should be called after ext3_commit_super() to save sb marked as EXT3_ERROR_FS Signed-off-by: Vasily Averin <vvs@sw.ru> Acked-by: Kirill Korotaev <dev@sw.ru> Cc: Theodore Ts'o <tytso@mit.edu> Cc: "Stephen C. Tweedie" <sct@redhat.com> Cc: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext3: more comments about block allocation/reservation codeMingming Cao1-45/+247
Signed-off-by: Mingming Cao <cmm@us.ibm.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext3: turn on reservation dump on block allocation errorsMingming Cao1-4/+8
In the past there were a few kernel panics related to block reservation tree operations failure (insert/remove etc). It would be very useful to get the block allocation reservation map info when such error happens. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] JBD: 16T fixesEric Sandeen2-5/+5
These are a few places I've found in jbd that look like they may not be 16T-safe, or consistent with the use of unsigned longs for block containers. Problems here would be somewhat hard to hit, would require journal blocks past the 8T boundary, which would not be terribly common. Still, should fix. (some of these have come from the ext4 work on jbd as well). I think there's one more possibility that the wrap() function may not be safe IF your last block in the journal butts right up against the 232 block boundary, but that seems like a VERY remote possibility, and I'm not worrying about it at this point. Signed-off-by: Eric Sandeen <esandeen@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext3: inode numbers are unsigned longEric Sandeen5-26/+27
This is primarily format string fixes, with changes to ialloc.c where large inode counts could overflow, and also pass around journal_inum as an unsigned long, just to be pedantic about it.... Signed-off-by: Eric Sandeen <esandeen@redhat.com> Cc: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext2: fix mounts at 16TEric Sandeen1-13/+19
Signed-off-by: Eric Sandeen <esandeen@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] fix ext3 mounts at 16TEric Sandeen1-15/+19
I need to do some actual IO testing now, but this gets things mounting for a 16T ext3 filesystem. (patched up e2fsprogs is needed too, I'll send that off the kernel list) This patch fixes these issues in the kernel: o sbi->s_groups_count overflows in ext3_fill_super() sbi->s_groups_count = (le32_to_cpu(es->s_blocks_count) - le32_to_cpu(es->s_first_data_block) + EXT3_BLOCKS_PER_GROUP(sb) - 1) / EXT3_BLOCKS_PER_GROUP(sb); at 16T, s_blocks_count is already maxed out; adding EXT3_BLOCKS_PER_GROUP(sb) overflows it and groups_count comes out to 0. Not really what we want, and causes a failed mount. Feel free to check my math (actually, please do!), but changing it this way should work & avoid the overflow: (A + B - 1)/B changed to: ((A - 1)/B) + 1 o ext3_check_descriptors() overflows range checks ext3_check_descriptors() iterates over all block groups making sure that various bits are within the right block ranges... on the last pass through, it is checking the error case [item] >= block + EXT3_BLOCKS_PER_GROUP(sb) where "block" is the first block in the last block group. The last block in this group (and the last one that will fit in 32 bits) is block + EXT3_BLOCKS_PER_GROUP(sb)- 1. block + EXT3_BLOCKS_PER_GROUP(sb) wraps back around to 0. so, make things clearer with "first_block" and "last_block" where those are first and last, inclusive, and use <, > rather than <, >=. Finally, the last block group may be smaller than the rest, so account for this on the last pass through: last_block = sb->s_blocks_count - 1; (a similar patch could be done for ext2; does anyone in their right mind use ext2 at 16T? I'll send an ext2 patch doing the same thing if that's warranted) Signed-off-by: Eric Sandeen <esandeen@redhat.com> Cc: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] jbd: use BUILD_BUG_ON in journal initAlexey Dobriyan1-7/+1
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Stephen Tweedie <sct@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] ext3 and jbd cleanup: remove whitespaceMingming Cao17-307/+307
Remove whitespace from ext3 and jbd, before we clone ext4. Signed-off-by: Mingming Cao<cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] jbd: add lock annotation to jbd_sync_bhJosh Triplett1-0/+1
jbd_sync_bh releases journal->j_list_lock. Add a lock annotation to this function so that sparse can check callers for lock pairing, and so that sparse will not complain about this function since it intentionally uses the lock in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[PATCH] fix "cpu to node relationship fixup: map cpu to node"KAMEZAWA Hiroyuki2-2/+2
Fix build error introduced by 3212fe1594e577463bc8601d28aa008f520c3377 Non-NUMA case should be handled. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27[MIPS] setup.c: use early_param() for early command line parsingFranck Bui-Huu1-112/+60
There's no point to rewrite some logic to parse command line to pass initrd parameters or to declare a user memory area. We could use instead parse_early_param() that does the same thing. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] setup.c: remove MAXMEM macroFranck Bui-Huu1-9/+3
It doesn't improve readability. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] setup.c: do not inline functionsFranck Bui-Huu1-2/+2
There's no point to inline any functions in setup.c. Let's GCC doing its job, it's good enough for that now. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] setup.c: remove useless includes.Franck Bui-Huu1-14/+0
Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] setup.c: move initrd code inside dedicated functionsFranck Bui-Huu1-58/+86
NUMA specific code could rely on them too. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] setup.c: cleanup bootmem_init()Franck Bui-Huu1-78/+57
This function although doing simple thing is hard to follow. It's mainly due to: - a lot of #ifdef - bad local names - redundant tests So this patch try to address these issues. It also do not use max_pfn global which is marked as an unused exported symbol. As a bonus side, it's now really easy to see what part of the code is for no-numa system. There's also no point to make this function inline. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] get_wchan(): remove uses of mfinfo[64]Franck Bui-Huu1-82/+50
This array was used to 'cache' some frame info about scheduler functions to speed up get_wchan(). This array was 1Ko size and was only used when CONFIG_KALLSYMS was set but declared for all configs. Rather than make the array statement conditional, this patches removes this array and its uses. Indeed the common case doesn't seem to use this array and get_wchan() is not a critical path anyways. It results in a smaller bss and a smaller/cleaner code: text data bss dec hex filename 2543808 254148 139296 2937252 2cd1a4 vmlinux-new-get-wchan 2544080 254148 143392 2941620 2ce2b4 vmlinux~old Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] get_frame_info(): null function size means size is unknownFranck Bui-Huu1-2/+10
This patch adds 2 sanity checks. The first one test that the start address of the function to analyze has been set by the caller. If not return an error since nothing usefull can be done without. The second one checks that the function's size has been set. A null size can happen if CONFIG_KALLSYMS is not set and it means that we don't know the size of the function to analyze. In this case, we make it equal to 128 instructions by default. Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] unwind_stack(): return ra if an exception occured at the first instructionFranck Bui-Huu1-2/+5
Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Enable tmpfs for anything that possibly runs a full distribution.Ralf Baechle13-14/+14
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] s/__ASSEMBLER__/__ASSEMBLY__/ for clarity sake.Ralf Baechle4-6/+6
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Have headers_install install <asm/cachectl.h> and <asm/sysmips.h>.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] fstatat syscall namesRichard Sandiford1-3/+3
MIPS is the only port to call its fstatat()-related syscalls "__NR_fstatat". Now I can see why that might be seen as every other port being wrong, but I think for o32, it is at best confusing. __NR_fstat provides a plain (32-bit) stat while __NR_fstatat provides a 64-bit stat. Changing the name to __NR_fstatat64 would make things more explicit, match x86, and make the glibc port slightly easier. The current name is more appropriate for n32 and n64, but it would be appropriate for other 64-bit targets too, and those targets have chosen to call it __NR_newfstatat instead. Using the same name for MIPS would again be more consistent and make the glibc port slightly easier. I'm not wedded to this idea if the current names are preferred, but FWIW... Signed-off-by: Richard Sandiford <richard@codesourcery.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] The o32 fstatat syscall behaves differently on 32 and 64 bit kernelsRichard Sandiford1-1/+1
While working on a glibc patch to support the fstatat() functions[1], I noticed that the o32 implementation behaves differently on 32-bit and 64-bit kernels; the former provides a stat64 while the latter provides a plain (o32) stat. I think the former is what's intended, as there is no separate fstatat64. It's also what x86 does. I think this is just a case of a compat too far. [1] I've seen Khem's patch, but I don't think it's right. Signed-off-by: Richard Sandiford <richard@codesourcery.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Remove EV96100 as previously announced.Ralf Baechle68-2414/+3
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Replace BARRIER with more appropriate hazard barrier.Ralf Baechle1-13/+8
This is the unchanged part 2 of Chris' hazard cleanup. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Cleanup hazard handling.Ralf Baechle1-236/+126
Mostly based on patch by Chris Dearman and cleanups from Yoichi. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] IP27: Delete useless declaration of allocate_irqno().Ralf Baechle1-2/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Fix USER_PTRS_PER_PGD for 64K page size.Peter Watkins1-1/+5
The code in pgtable-64.h assumes TASK_SIZE is always bigger than a first level PGDIR_SIZE. This is not the case for 64K pages, where task size is 40 bits (1TB) and a pgd entry can map 42 bits. This leads to USER_PTRS_PER_PGD being zero for 64K pages. Signed-off-by: Peter Watkins <treestem@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Add configuration variables for RM9xxx processorthomas@koeller.dyndns.org1-0/+16
This patch introduces a number of configuration variables. These allow to specify presence/absence of integrated peripherals found on the MIPS RM9xxx processor family, based on the particular processor model used. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Move excite_fpga.h to include/asm-mips/mach-excitethomas@koeller.dyndns.org1-0/+0
excite_fpga.h, like all platform headers, really belongs in the platform header directory. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Suppress compiler warningsthomas@koeller.dyndns.org1-8/+8
The excite platform exports hardware resources for device drivers to use. Any driver wanting to use these resources will look up them by their names. Since these resources are declared to have static linkage, but are not used in the source file defining them, the compiler used to emit an 'unused' warning, which this patch suppresses. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Reformat missformated SMTC bits.Ralf Baechle1-4/+4
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Qemu does not have D-cache aliasesAtsushi Nemoto1-1/+1
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Remove F_SETSIG and F_GETSIG in favor of the asm-generic definitions.Yoichi Yuasa1-2/+0
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Move definition of IRIX compat constant into IRIX compat code.Ralf Baechle2-2/+3
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Use common definitions from asm-generic/signal.hYoichi Yuasa1-8/+1
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] c-r4k: Convert init functions from inline to __init.Ralf Baechle1-10/+10
With more recent compilers inline doesn't necessarily means a function will always be inlined. So leave that decission to the compiler and make the function as __init. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] TLS: set_thread_area returns asmlinkage int not void.Ralf Baechle1-1/+3
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] TLS: Delete unused sys32_set_thread_areaRalf Baechle1-6/+0
There is no need for a compat version. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Make PROT_WRITE imply PROT_READ.Ralf Baechle1-1/+1
2006-09-27[MIPS] Atlas: update interrupt handlingMaciej W. Rozycki6-71/+189
The following change updates the Atlas interrupt handling to match that of Malta. Tested with a 5Kc and a 34Kf successfully. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Atlas: Fix building the RTC driverMaciej W. Rozycki1-0/+2
Atlas maps its RTC chip in the host mmio space rather than using the "traditional" location in the PCI/ISA port space. A change that has happened to the generic RTC header requires to define ARCH_RTC_LOCATION now. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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