summaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
authorPeter Zijlstra <peterz@infradead.org>2013-10-30 21:16:22 +0100
committerIngo Molnar <mingo@kernel.org>2013-11-06 12:34:25 +0100
commit0a196848ca365ec582c6d86659be456be6d4ed96 (patch)
treeb850a9d23a0b487d3e0e6c72b0974569796edf56 /tools
parent394570b7939e1262f39373866166d8ee0a506e88 (diff)
downloadop-kernel-dev-0a196848ca365ec582c6d86659be456be6d4ed96.zip
op-kernel-dev-0a196848ca365ec582c6d86659be456be6d4ed96.tar.gz
perf: Fix arch_perf_out_copy_user default
The arch_perf_output_copy_user() default of __copy_from_user_inatomic() returns bytes not copied, while all other argument functions given DEFINE_OUTPUT_COPY() return bytes copied. Since copy_from_user_nmi() is the odd duck out by returning bytes copied where all other *copy_{to,from}* functions return bytes not copied, change it over and ammend DEFINE_OUTPUT_COPY() to expect bytes not copied. Oddly enough DEFINE_OUTPUT_COPY() already returned bytes not copied while expecting its worker functions to return bytes copied. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: will.deacon@arm.com Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20131030201622.GR16117@laptop.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions
OpenPOWER on IntegriCloud