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2006-01-12[PATCH] corruption during e100 MDI register accessODonnell, Michael
We have identified two related bugs in the e100 driver. Both bugs are related to manipulation of the MDI control register. The first problem is that the Ready bit is being ignored when writing to the Control register; we noticed this because the Linux bonding driver would occasionally come to the spurious conclusion that the link was down when querying Link State. It turned out that by failing to wait for a previous command to complete it was selecting what was essentially a random register in the MDI register set. When we added code that waits for the Ready bit (as shown in the patch file below) all such problems ceased. The second problem is that, although access to the MDI registers involves multiple steps which must not be intermixed, nothing was defending against two or more threads attempting simultaneous access. The most obvious situation where such interference could occur involves the watchdog versus ioctl paths, but there are probably others, so we recommend the locking shown in our patch file. Signed-off-by: Michael O'Donnell <Michael.ODonnell@stratus.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jgarzik@pobox.com> Cc: John Ronciak <john.ronciak@intel.com> Cc: Ganesh Venkatesan <ganesh.venkatesan@intel.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-12Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
2006-01-12Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds
2006-01-12Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds
2006-01-12[PATCH] Revert ide softirq handlingJens Axboe
There's a problem with the REQ_BLOCK_PC handling as well (bad ->data_len handling) where it could actually complete a request ahead of time. I suggest we just back this out for now, I will resubmit it later when I'm fully confident in it. This reverts commit 8672d57138b34447719cd7749f3d21070e1175a1 Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[SERIAL] turn serial semaphores into mutexesArjan van de Ven
Turn several drivers/serial/ semaphores-used-as-mutex into mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12[MMC+MFD] Convert mmc to mutexesArjan van de Ven
convert mfd and mmc to mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12[ARM] Convert some arm semaphores to mutexesArjan van de Ven
The arm clock semaphores are strict mutexes, convert them to the new mutex implementation Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/hrtimer-2.6Linus Torvalds
2006-01-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds
Fix up delete/modify conflict of arch/ppc/kernel/process.c by hand (it's gone, gone, gone). Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[ARM] Allow r2 to be passed through the decompressor to the kernelRussell King
This is part of a patch from Marc Singer to allow r2 to be passed to the kernel. Marc's original comments follow: This revised R2 (atags pointer) patch incorporates comments from Nico Pitre and Ben Dooks. It modifies the head.S files such that the R2 value set by the bootloader is conveyed to the kernel startup code. The kernel head.S heuristically validates the pointer. It will set R2 to zero if it believes the pointer is invalid. Presently, it requires that the ATAGS list reside in the first 16KiB of physical RAM. Relaxing this contraint may be both desirable as well as tricky. Signed-off-by: Marc Singer <elf@buici.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-12Merge git://oss.sgi.com:8090/oss/git/xfs-2.6Linus Torvalds
2006-01-12[PATCH] m68k: console code in head.S needs framebuffer support built inAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix PIO case in espAl Viro
we always set ->SCp.ptr to physical address of buffer; for DMA that's just what we need, but we end up using it as virtual address in PIO case of esp_do_data(), with obvious breakage as soon as memory mapping becomes non-trivial. The fix is obvious. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix macfb initAl Viro
To be used by module_init() function should return int; same for functions that have "return -ENODEV;" in them, actually ;-) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix reference to init_task in vmlinux-sun3.ldsAl Viro
it's *(.data.init_task), not init_task... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: fix use of void foo(void) asm("bar") in traps.cAl Viro
with gcc4 these have file scope, so having them different in different blocks doesn't work anymore Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: kill mach_floppy_setup, convert to proper __setup() in driversAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: Moved initialisation of conswitchp from subarches to global ↵Al Viro
arch setup Signed-off-by: Kars de Jong <jongk@linux-m68k.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: cast in strnlen switched to unsigned longAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: dmasound __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: zorro __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: amifb __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: dsp56k __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: amiserial __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: ataflop __user annotations, NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: amiflop __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: checksum __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: syscalls __user annotationAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: rtc __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: signal __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: basic __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: basic iomem annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: compile fixes for dmasound (static vs. extern)Al Viro
sound/oss/dmasound/dmasound_atari.c has static expand_bal sound/oss/dmasound/dmasound_q40.c has static expand_bal sound/oss/dmasound/dmasound_awacs.c has non-static expand_bal sound/oss/dmasound/trans_16.c uses expand_bal from dmasound_awacs.c all 4 include dmasound.h; extern for expand_bal used to be there, which is a bloody bad idea, considering _atari and _q40. Moved the extern to trans_16.c. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: lvalues abuse in dmasoundAl Viro
Cast is not an lvalue Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: dmasound_paula.c lvalues abuse (from m68k CVS)Al Viro
Avoid warnings about use of cast expressions as lvalues Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: lvalues abuse in mac8390Al Viro
Cast is not an lvalue Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: bogus function argument types (sun3_pgtable.h)Al Viro
function arguments can't be inline, TYVM... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: broken constraints on mulu.lAl Viro
Too permissive constraint on mulu.l - the first argument should not be an a-register. Fixed by replacing "g" with "dm"; with older gcc we got lucky and it had never attempted mulu.l %a0, %d1:%d0. These days it does, with predictable objections from as(1). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: memory input should be an lvalue (mac/misc.c)Al Viro
gcc4 is less forgiving and wants memory inputs to be real lvalues; variable added and value stored in it explicitly before doing __asm__. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: static vs. extern in amigaints.hAl Viro
extern declaration of static object removed from header Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: static vs. extern in sun3ints.hAl Viro
extern declaration of static object removed from header Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: static vs. extern in scc.hAl Viro
extern declaration before the static one Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: isa_{type,sex} should be exportedAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: oktagon makefile fixAl Viro
oktagon_esp is described as modular. However, drivers/scsi/Makefile doesn't handle it right - it's multi-object module, with one of the parts being built from .S. Current makefile tries to declare each part a module of its own; that not only wouldn't work (oktagon_io.o doesn't have the right parts for that), it actually doesn't even build since kbuild doesn't believe in single-object modules built from .S. Turned into proper multi-object module... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: dumb typo in atyfbAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: switch mac/misc.c to direct use of appropriate ↵Al Viro
cuda/pmu/maciisi requests kill ADBREQ_RAW use, replace adb_read_time(), etc. with per-type variants, eliminated remapping from pmu ones, fix the ifdefs (PMU->PMU68K) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: namespace pollution fix (custom->amiga_custom)Al Viro
in amigahw.h custom renamed to amiga_custom, in drivers with few instances the same replacement, in the rest - #define custom amiga_custom in driver itself Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12[PATCH] m68k: compile fix - updated vmlinux.lds to include LOCK_TEXTAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>