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Fixes and enhancements of SIMD raidz parity

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- Implementation lock replaced with atomic variable

- Trailing whitespace is removed from user specified parameter, to enhance
experience when using commands that add newline, e.g. `echo`

- raidz_test: remove dependency on `getrusage()` and RUSAGE_THREAD, Issue #4813

- silence `cppcheck` in vdev_raidz, partial solution of Issue #1392

- Minor fixes and cleanups

- Enable use of original parity methods in [fastest] configuration.
New opaque original ops structure, representing native methods, is added
to supported raidz methods. Original parity methods are executed if selected
implementation has NULL fn pointer.

Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4813
Issue #1392
This commit is contained in:
Gvozden Neskovic
2016-07-17 19:41:11 +02:00
committed by Brian Behlendorf
parent 1d9b3bd8fb
commit c9187d867f
9 changed files with 191 additions and 178 deletions
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module/zfs/vdev_raidz_math_ssse3.c
+4 -4
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@@ -47,10 +47,10 @@
#define VR1(r...) VR1_(r)
#define VR2(r...) VR2_(r, 1)
#define VR3(r...) VR3_(r, 1, 2)
#define VR4(r...) VR4_(r, 1)
#define VR5(r...) VR5_(r, 1, 2)
#define VR6(r...) VR6_(r, 1, 2, 3)
#define VR7(r...) VR7_(r, 1, 2, 3, 4)
#define VR4(r...) VR4_(r, 1, 2)
#define VR5(r...) VR5_(r, 1, 2, 3)
#define VR6(r...) VR6_(r, 1, 2, 3, 4)
#define VR7(r...) VR7_(r, 1, 2, 3, 4, 5)
#define R_01(REG1, REG2, ...) REG1, REG2
#define _R_23(_0, _1, REG2, REG3, ...) REG2, REG3