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author | Christopher Covington <cov@codeaurora.org> | 2013-04-03 19:01:01 +0100 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-04-17 16:11:35 +0100 |
commit | 3325732f3b223812e54ac67dbb0a8ea7c99cf519 (patch) | |
tree | 1289fc098b4147b25c98168498afd4babfc9cf6e /arch/arm64/kernel | |
parent | 5c1ce6f7c2aae5329f667fb079b3198266d9a3fa (diff) | |
download | op-kernel-dev-3325732f3b223812e54ac67dbb0a8ea7c99cf519.zip op-kernel-dev-3325732f3b223812e54ac67dbb0a8ea7c99cf519.tar.gz |
arm64: Fix task tracing
For accurate accounting call contextidr_thread_switch before a
task is scheduled, rather than after, when the 'next' variable has a
different meaning since we switched the stacks.
Signed-off-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r-- | arch/arm64/kernel/process.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 0337cdb..c2cc249 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -311,11 +311,11 @@ struct task_struct *__switch_to(struct task_struct *prev, fpsimd_thread_switch(next); tls_thread_switch(next); hw_breakpoint_thread_switch(next); + contextidr_thread_switch(next); /* the actual thread switch */ last = cpu_switch_to(prev, next); - contextidr_thread_switch(next); return last; } |