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7682a4c624
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Dean Nelson 7682a4c624 [IA64-SGI] Silent data corruption caused by XPC V2. 
Jack Steiner identified a problem where XPC can cause a silent
data corruption.  On module load, the placement may cause the
xpc_remote_copy_buffer to span two physical pages.  DMA transfers are
done to the start virtual address translated to physical.

This patch changes the buffer from a statically allocated buffer to a
kmalloc'd buffer.  Dean Nelson reviewed this before posting.  I have
tested it in the configuration that was showing the memory corruption
and verified it works.  I also added a BUG_ON statement to help catch
this if a similar situation is encountered.

Signed-off-by: Robin Holt <holt@sgi.com>
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-08-08 13:28:52 -07:00
..
acpi Pull acpi_os_allocate into test branch 2006-07-10 02:39:47 -04:00
asm-alpha [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-arm [ARM] 3743/1: ARM: OMAP: Fix compile for OMAP 2006-08-02 14:41:39 +01:00
asm-arm26 [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-cris [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-frv [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-generic [PATCH] hdrinstall: remove asm/io.h from user visibility 2006-07-14 21:53:52 -07:00
asm-h8300 [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-i386 [PATCH] IA64: kprobe invalidate icache of jump buffer 2006-07-31 13:28:38 -07:00
asm-ia64 [IA64-SGI] Silent data corruption caused by XPC V2. 2006-08-08 13:28:52 -07:00
asm-m32r [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-m68k [SPARC]: Kill prom_getname, unused and not implemented properly. 2006-07-21 14:17:55 -07:00
asm-m68knommu [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-mips [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-parisc [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-powerpc [PATCH] powermac: More powermac backlight fixes 2006-07-31 13:28:45 -07:00
asm-ppc [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-s390 [S390] get_clock inline assembly. 2006-07-17 16:09:42 +02:00
asm-sh [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-sh64 [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-sparc [SPARC]: Fix SA_STATIC_ALLOC value. 2006-07-24 22:34:00 -07:00
asm-sparc64 [PATCH] IA64: kprobe invalidate icache of jump buffer 2006-07-31 13:28:38 -07:00
asm-um Merge git://git.infradead.org/hdrinstall-2.6 2006-07-04 12:55:45 -07:00
asm-v850 [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
asm-x86_64 [PATCH] IA64: kprobe invalidate icache of jump buffer 2006-07-31 13:28:38 -07:00
asm-xtensa [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
keys [PATCH] keys: discard the contents of a key on revocation 2006-06-26 09:58:18 -07:00
linux Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input 2006-08-06 09:12:49 -07:00
math-emu
media V4L/DVB (4316): Check __must_check warnings 2006-07-29 17:22:21 -03:00
mtd Merge git://git.infradead.org/hdrinstall-2.6 2006-07-04 12:55:45 -07:00
net [PKT_SCHED] RED: Fix overflow in calculation of queue average 2006-08-04 22:59:51 -07:00
pcmcia Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
rdma IB/mad: Validate MADs for spec compliance 2006-07-24 09:18:07 -07:00
rxrpc
scsi [SCSI] scsi_transport_sas: add expander backlink 2006-07-12 09:03:20 -04:00
sound [ALSA] Fix section mismatch errors in ALSA PCI drivers 2006-07-12 20:08:01 +02:00
video [PATCH] mbxfb: Add framebuffer driver for the Intel 2700G 2006-07-14 21:53:55 -07:00
Kbuild Add generic Kbuild files for 'make headers_install' 2006-06-18 12:14:01 +01:00