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2006-01-09[PATCH] mutex subsystem, add default include/asm-*/mutex.h filesArjan van de Ven1-0/+9
add the per-arch mutex.h files for the remaining architectures. We default to asm-generic/mutex-dec.h, because that performs quite well on most arches. Arches that do not have atomic decrement/increment instructions should switch to mutex-xchg.h instead. Arches can also provide their own implementation for the mutex fastpath primitives. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2006-01-09[PATCH] mutex subsystem, add atomic_xchg() to all archesIngo Molnar1-0/+1
add atomic_xchg() to all the architectures. Needed by the new mutex code. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@infradead.org>
2006-01-08[PATCH] Kill L1_CACHE_SHIFT_MAXRavikiran G Thirumalai1-1/+0
Kill L1_CACHE_SHIFT from all arches. Since L1_CACHE_SHIFT_MAX is not used anymore with the introduction of INTERNODE_CACHE, kill L1_CACHE_SHIFT_MAX. Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by: Shai Fultheim <shai@scalex86.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] mips: remove include/asm-mips/riscos-syscall.hDomen Puncer1-979/+0
Remove nowhere referenced file ("grep riscos -r ." didn't find anything). Signed-off-by: Domen Puncer <domen@coderock.org> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] atomic_long_t & include/asm-generic/atomic.h V2Christoph Lameter1-0/+1
Several counters already have the need to use 64 atomic variables on 64 bit platforms (see mm_counter_t in sched.h). We have to do ugly ifdefs to fall back to 32 bit atomic on 32 bit platforms. The VM statistics patch that I am working on will also make more extensive use of atomic64. This patch introduces a new type atomic_long_t by providing definitions in asm-generic/atomic.h that works similar to the c "long" type. Its 32 bits on 32 bit platforms and 64 bits on 64 bit platforms. Also cleans up the determination of the mm_counter_t in sched.h. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06[PATCH] madvise(MADV_REMOVE): remove pages from tmpfs shm backing storeBadari Pulavarty1-0/+1
Here is the patch to implement madvise(MADV_REMOVE) - which frees up a given range of pages & its associated backing store. Current implementation supports only shmfs/tmpfs and other filesystems return -ENOSYS. "Some app allocates large tmpfs files, then when some task quits and some client disconnect, some memory can be released. However the only way to release tmpfs-swap is to MADV_REMOVE". - Andrea Arcangeli Databases want to use this feature to drop a section of their bufferpool (shared memory segments) - without writing back to disk/swap space. This feature is also useful for supporting hot-plug memory on UML. Concerns raised by Andrew Morton: - "We have no plan for holepunching! If we _do_ have such a plan (or might in the future) then what would the API look like? I think sys_holepunch(fd, start, len), so we should start out with that." - Using madvise is very weird, because people will ask "why do I need to mmap my file before I can stick a hole in it?" - None of the other madvise operations call into the filesystem in this manner. A broad question is: is this capability an MM operation or a filesytem operation? truncate, for example, is a filesystem operation which sometimes has MM side-effects. madvise is an mm operation and with this patch, it gains FS side-effects, only they're really, really significant ones." Comments: - Andrea suggested the fs operation too but then it's more efficient to have it as a mm operation with fs side effects, because they don't immediatly know fd and physical offset of the range. It's possible to fixup in userland and to use the fs operation but it's more expensive, the vmas are already in the kernel and we can use them. Short term plan & Future Direction: - We seem to need this interface only for shmfs/tmpfs files in the short term. We have to add hooks into the filesystem for correctness and completeness. This is what this patch does. - In the future, plan is to support both fs and mmap apis also. This also involves (other) filesystem specific functions to be implemented. - Current patch doesn't support VM_NONLINEAR - which can be addressed in the future. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Cc: Hugh Dickins <hugh@veritas.com> Cc: Andrea Arcangeli <andrea@suse.de> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Cc: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds1-1/+0
2006-01-03[FLS64]: generic versionStephen Hemminger1-1/+1
Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-01-01gitignore: asm-offsets.hBrian Gerst1-1/+0
Ignore asm-offsets.h for all arches. Signed-off-by: Brian Gerst <bgerst@didntduck.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-12-15[PATCH] ide: AU1200 IDE updateJordan Crouse1-9/+8
Changes here include removing all of CONFIG_PM while it is being repeatedly smacked with a lead pipe, moving the BURSTMODE param to a #define (it should be defined almost always anyway), fixing the rqsize stuff, pulling ide_ioreg_t, and general cleanups and whatnot. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2005-12-15[PATCH] ide: core modifications for AU1200Jordan Crouse1-5/+0
bart: slightly modified by me Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2005-12-01[MIPS] Qemu: Qemu is emulating a 1193.182kHz i8254 PIC.Ralf Baechle1-0/+16
From Daniel Jacobowitz <dan@debian.org>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] SEAD: More build fixes.Ralf Baechle1-2/+9
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] SEAD: Delete seadint_init() prototype.Ralf Baechle1-2/+0
There is no definition for seadint_init() and the unprotected prototype breaks compilation of assembler files. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] JMR3927: Fix include wrapper symbol.Ralf Baechle1-3/+3
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] Fix documentation typos.Arnaud Giersch1-6/+8
Signed-off-by: Arnaud Giersch <arnaud.giersch@free.fr> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] Add const qualifier to writes##bwlq.Arnaud Giersch1-3/+3
Add const qualifier to parameter addr of writes##bwlq. Signed-off-by: Arnaud Giersch <arnaud.giersch@free.fr> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] IP32: Fix sparse warnings.Arnaud Giersch2-2/+2
Add __iomem qualifier to crime and mace pointers. Signed-off-by: Arnaud Giersch <arnaud.giersch@free.fr> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] IP32 Fix and complete IP32 parport definitionsArnaud Giersch1-16/+26
Fix, complete, and indent IP32 parport definitions. Definition were wrong for CTXINUSE and DMACTIVE (1-bit shift). Add macros DATA_BOUND, DATALEN_SHIFT, and CTRSHIFT. Signed-off-by: Arnaud Giersch <arnaud.giersch@free.fr> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] JMR3927: Undo accidental rename.Ralf Baechle1-0/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] IP32: No need to include <asm/io.h>.Ralf Baechle1-3/+4
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] Add missing arch defines for the Alchemy MTD driver.Ralf Baechle4-0/+19
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-17[MIPS] Delete duplicate definitions of break codes.Ralf Baechle1-21/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-13[PATCH] atomic: inc_not_zeroNick Piggin1-0/+19
Introduce an atomic_inc_not_zero operation. Make this a special case of atomic_add_unless because lockless pagecache actually wants atomic_inc_not_negativeone due to its offset refcount. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-13[PATCH] atomic: cmpxchgNick Piggin1-0/+2
Introduce an atomic_cmpxchg operation. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds10-49/+95
2005-11-07Redefine outs[wl] for ide_outs[wl].Atsushi Nemoto1-0/+4
Add missing bits to fix D-cache aliasing problem in the PIO IDE driver. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07Delete duplicate definitions.Ralf Baechle1-4/+0
This reverts 8f91ed6c2fec8cb746e4dc86a79247162b4c5a7a. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07Define MAX_UDELAY_MSAtsushi Nemoto1-0/+9
If HZ was 1000, mdelay(2) cause overflow on multiplication in __udelay. We should define MAX_UDELAY_MS properly to prevent this. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07Use rtc_lock to protect RTC operationsAtsushi Nemoto2-2/+25
Many RTC routines were not protected against each other, so there are potential races, for example, ntp-update against /dev/rtc. This patch fixes them using rtc_lock. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07Remove mips_rtc_lockAtsushi Nemoto1-7/+0
The mips_rtc_lock is no longer needed because RTC operations should be protected already by other mechanism. (rtc_lock, local_irq_save, etc.) Also, locking whole rtc_get_time/rtc_set_time should be avoided while some RTC routines might take very long time (a few seconds). Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07Add .gitignore files for MIPS.Ralf Baechle1-0/+1
2005-11-07O2 parport definitionsIlya A. Volynets-Evenbakh1-1/+25
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07Add spaces to MODULE_PROC_FAMILY values.Ralf Baechle1-19/+19
Only a cosmetic fix to make the output of modinfo look readable. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07Turn rtlx upside down.Ralf Baechle1-16/+12
o Coding style o Race condition on open o Switch to dynamic major o Header file cleanup Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-11-07[PATCH] fix remaining missing includesTim Schmielau2-0/+5
Fix more include file problems that surfaced since I submitted the previous fix-missing-includes.patch. This should now allow not to include sched.h from module.h, which is done by a followup patch. Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-30[PATCH] semaphore: Remove __MUTEX_INITIALIZER()Arthur Othieno1-3/+0
__MUTEX_INITIALIZER() has no users, and equates to the more commonly used DECLARE_MUTEX(), thus making it pretty much redundant. Remove it for good. Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-30[PATCH] vm: remove unused/broken page_pte[_prot] macrosTejun Heo2-2/+0
This patch removes page_pte_prot and page_pte macros from all architectures. Some architectures define both, some only page_pte (broken) and others none. These macros are not used anywhere. page_pte_prot(page, prot) is identical to mk_pte(page, prot) and page_pte(page) is identical to page_pte_prot(page, __pgprot(0)). * The following architectures define both page_pte_prot and page_pte arm, arm26, ia64, sh64, sparc, sparc64 * The following architectures define only page_pte (broken) frv, i386, m32r, mips, sh, x86-64 * All other architectures define neither Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-30[PATCH] unify sys_ptrace prototypeChristoph Hellwig1-1/+0
Make sure we always return, as all syscalls should. Also move the common prototype to <linux/syscalls.h> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-29BCM1480 HT supportAndrew Isaacson1-0/+5
PCI support code for PLX 7250 PCI-X tunnel on BCM91480B BigSur board. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Support for BigSur board.Andrew Isaacson2-0/+53
Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Add support for SB1A CPU.Andrew Isaacson2-2/+4
Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Sibyte header cleanupAndrew Isaacson14-30/+7
Update sibyte headers to match Broadcom internal copies: - comment cleanup and updates - fix LittleSur part number to match the board silkscreen Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29BCM1480 headersAndrew Isaacson17-98/+3236
Add header files for BCM1480/1280/1455/1255 family of chips, and update sb1250 headers which are shared by BCM1480 family. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> diff --git a/include/asm-mips/sibyte/bcm1480_int.h b/include/asm-mips/sibyte/bcm1480_int.h new file mode 100644
2005-10-29Make UL what should be UL.Ralf Baechle2-9/+9
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Don't print file name and line in die and die_if_kernel.Ralf Baechle1-9/+7
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Define EOWNERDEAD and ENOTRECOVERABLE.Ralf Baechle1-0/+4
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29More configcheck fixes.Ralf Baechle3-3/+5
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-292.6.14-rc1 updates for MIPS compat types.Ralf Baechle1-6/+6
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Complete the fcntl.h cleanup.Ralf Baechle1-10/+7
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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