linux-toradex.git/lib/raid6/algos.c, branch v3.10.78 Linux kernel for Apalis and Colibri modules lib/raid6: Add AVX2 optimized gen_syndrome functions 2012-12-13T08:51:03+00:00 Yuanhan Liu yuanhan.liu@linux.intel.com 2012-11-30T21:10:39+00:00 2c935842bdb46f5f557426feb4d2bdfdad1aa5f9 Add AVX2 optimized gen_syndrom functions, which is simply based on sse2.c written by hpa. Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> Reviewed-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com> Signed-off-by: NeilBrown <neilb@suse.de> 
Add AVX2 optimized gen_syndrom functions, which is simply based on
sse2.c written by hpa.

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
lib/raid6: Add AVX2 optimized recovery functions 2012-12-13T05:42:01+00:00 Jim Kukunas james.t.kukunas@linux.intel.com 2012-11-08T21:47:44+00:00 7056741fd9fc14a65608549a4657cf5178f05f63 Optimize RAID6 recovery functions to take advantage of the 256-bit YMM integer instructions introduced in AVX2. The patch was tested and benchmarked before submission. However hardware is not yet released so benchmark numbers cannot be reported. Acked-by: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com> Signed-off-by: NeilBrown <neilb@suse.de> 
Optimize RAID6 recovery functions to take advantage of
the 256-bit YMM integer instructions introduced in AVX2.

The patch was tested and benchmarked before submission.
However hardware is not yet released so benchmark numbers
cannot be reported.

Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
lib/raid6: cleanup gen_syndrome function selection 2012-05-22T03:54:24+00:00 Jim Kukunas james.t.kukunas@linux.intel.com 2012-05-22T03:54:24+00:00 96e67703e71f4b3cc32b747dbb6158ec74d01e19 Reorders functions in raid6_algos as well as the preference check to reduce the number of functions tested on initialization. Also, creates symmetry between choosing the gen_syndrome functions and choosing the recovery functions. Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com> Signed-off-by: NeilBrown <neilb@suse.de> 
Reorders functions in raid6_algos as well as the preference check
to reduce the number of functions tested on initialization.

Also, creates symmetry between choosing the gen_syndrome functions
and choosing the recovery functions.

Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
lib/raid6: Add SSSE3 optimized recovery functions 2012-05-22T03:54:18+00:00 Jim Kukunas james.t.kukunas@linux.intel.com 2012-05-22T03:54:18+00:00 048a8b8c89dc427dd7a58527c8923224b1e66d83 Add SSSE3 optimized recovery functions, as well as a system for selecting the most appropriate recovery functions to use. Originally-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com> Signed-off-by: NeilBrown <neilb@suse.de> 
Add SSSE3 optimized recovery functions, as well as a system
for selecting the most appropriate recovery functions to use.

Originally-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
lib/raid6: fix test program build 2012-05-22T03:54:16+00:00 Jim Kukunas james.t.kukunas@linux.intel.com 2012-05-22T03:54:16+00:00 f674ef7b43881b2ac11f98d6ba2dc5d9dd0dd118 <linux/module.h> drags in headers which are not visible to userspace, thus breaking the build for the test program. Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com> Signed-off-by: NeilBrown <neilb@suse.de> 
<linux/module.h> drags in headers which are not visible to userspace,
thus breaking the build for the test program.

Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
md: Add module.h to all files using it implicitly 2011-10-31T23:31:18+00:00 Paul Gortmaker paul.gortmaker@windriver.com 2011-07-03T17:58:33+00:00 056075c76417b112b4924e7b6386fdc6dfc9ac03 A pending cleanup will mean that module.h won't be implicitly everywhere anymore. Make sure the modular drivers in md dir are actually calling out for <module.h> explicitly in advance. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> 
A pending cleanup will mean that module.h won't be implicitly
everywhere anymore.  Make sure the modular drivers in md dir
are actually calling out for <module.h> explicitly in advance.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Further tidyup of raid6 naming in lib/raid6 2010-08-11T20:44:54+00:00 NeilBrown neilb@suse.de 2010-08-11T20:44:54+00:00 a8e026c785b3fecef0ef5c00c15223542c4db8f5 Rename raid6/raid6x86.h to raid6/x86.h and modify some comments. Signed-off-by: NeilBrown <neilb@suse.de> 
Rename raid6/raid6x86.h to raid6/x86.h
and modify some comments.

Signed-off-by: NeilBrown <neilb@suse.de>
Make lib/raid6/test build correctly. 2010-08-11T20:38:24+00:00 NeilBrown neilb@suse.de 2010-08-11T20:38:24+00:00 d5302fe41ffb28d0a48be6a71becba36d3453ae0 Some bit-rot needs to be cleaned out. Signed-off-by: NeilBrown <neilb@suse.de> 
Some bit-rot needs to be cleaned out.

Signed-off-by: NeilBrown <neilb@suse.de>
Rename raid6 files now they're in a 'raid6' directory. 2010-08-10T23:19:05+00:00 David Woodhouse David.Woodhouse@intel.com 2010-08-10T23:19:05+00:00 cc4589ebfae6f8dbb5cf880a0a67eedab3416492 Linus asks 'why "raid6" twice?'. No reason. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> 
Linus asks 'why "raid6" twice?'. No reason.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>