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where are the memory barriers in net driver rx DMA operations?
Documentation/DMA-API-HOWTO.txt says that memory barriers are still required when accessing consistent mappings. The example they give is for reordering stores to consistent memory but I assume this also applies to reordering loads. However, I see many net drivers accessing the descriptor ring (in consistent ... 30 Jul 2010 15:14
[054/140] drm/radeon/kms: CS checker texture fixes for r1xx/r2xx/r3xx
2.6.33-stable review patch. If anyone has any objections, please let us know. ------------------ From: Roland Scheidegger <sroland(a)vmware.com> commit f9da52d54eb0e8822b5e7f32ab1cfa6522533d6e upstream. fixes: https://bugs.freedesktop.org/show_bug.cgi?id=28459 agd5f: apply to r1xx/r2xx as well. Signed... 30 Jul 2010 15:14
[patch] x86, mtrr: use stop machine context to rendezvous all the cpu's
Use the stop machine context rather than IPI's to rendezvous all the cpus for MTRR initialization that happens during cpu bringup or for MTRR modifications during runtime. This avoids deadlock scenario (reported by Prarit) like: cpu A holds a read_lock (tasklist_lock for example) with irqs enabled cpu B wa... 30 Jul 2010 15:14
[PATCH] trivial: fix a typo in a filename
Signed-off-by: Uwe Kleine-K├Ânig <u.kleine-koenig(a)pengutronix.de> --- scripts/Makefile.modpost | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 8f14c81..82a2420 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost... 30 Jul 2010 15:14
[PATCH] VIDEO: sa1100fb: register driver using platform_driver_probe
This fixes WARNING: vmlinux.o(.devinit.text+0x364): Section mismatch in reference from the function sa1100fb_probe() to the function .init.text:sa1100fb_init_fbinfo() The function __devinit sa1100fb_probe() references a function __init sa1100fb_init_fbinfo(). If sa1100fb_init_fbinfo is only used by sa1100fb_p... 30 Jul 2010 15:14
[008/205] pegasus: fix USB device ID for ETX-US2
2.6.34-stable review patch. If anyone has any objections, please let us know. ------------------ From: Tadashi Abe <tabe(a)mvista.com> [ Upstream commit 95718c1c25370b2c85061a4d8dfab2831b3ad280 ] USB device ID definition for I-O Data ETX-US2 is wrong. Correct ID is 0x093a. Here's snippet from /proc/bus/us... 30 Jul 2010 15:14
[074/140] sched: Prevent compiler from optimising the sched_avg_update() loop
2.6.33-stable review patch. If anyone has any objections, please let us know. ------------------ From: Will Deacon <will.deacon(a)arm.com> commit 0d98bb2656e9bd2dfda2d089db1fe1dbdab41504 upstream. GCC 4.4.1 on ARM has been observed to replace the while loop in sched_avg_update with a call to uldivmod, resul... 30 Jul 2010 15:14
[059/140] drm/radeon/kms: fix legacy LVDS dpms sequence
2.6.33-stable review patch. If anyone has any objections, please let us know. ------------------ From: Alex Deucher <alexdeucher(a)gmail.com> commit 15cb02c0a0338ee724bf23e31c7c410ecbffeeba upstream. Add delay after turning off the LVDS encoder. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=16389 ... 30 Jul 2010 15:14
[016/205] hwmon: (k8temp) Bypass core swapping on single-core processors
2.6.34-stable review patch. If anyone has any objections, please let us know. ------------------ From: Jean Delvare <khali(a)linux-fr.org> commit cd4de21f7e65a8cd04860f5661b3c18648ee52a1 upstream. Commit a2e066bba2aad6583e3ff648bf28339d6c9f0898 introduced core swapping for CPU models 64 and later. I recentl... 30 Jul 2010 15:14
[021/205] hwmon: (coretemp) Skip duplicate CPU entries
2.6.34-stable review patch. If anyone has any objections, please let us know. ------------------ From: Jean Delvare <khali(a)linux-fr.org> commit d883b9f0977269d519469da72faec6a7f72cb489 upstream. On hyper-threaded CPUs, each core appears twice in the CPU list. Skip the second entry to avoid duplicate senso... 30 Jul 2010 15:14
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