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author | David S. Miller <davem@davemloft.net> | 2010-03-29 13:08:52 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2010-03-29 13:08:52 -0700 |
commit | 9e8307ecaf9f8c8b5b3b22145021204c4e73114a (patch) | |
tree | d0361a2e093120880adecbd87c1f0f26a57541e9 /arch/arm/mach-s3c2440/mach-gta02.c | |
parent | d2566af8c4860a03ca685ef0910de406679c3e4e (diff) | |
download | blackbird-op-linux-9e8307ecaf9f8c8b5b3b22145021204c4e73114a.tar.gz blackbird-op-linux-9e8307ecaf9f8c8b5b3b22145021204c4e73114a.zip |
sparc64: Properly truncate pt_regs framepointer in perf callback.
For 32-bit processes, we save the full 64-bits of the regs in pt_regs.
But unlike when the userspace actually does load and store
instructions, the top 32-bits don't get automatically truncated by the
cpu in kernel mode (because the kernel doesn't execute with PSTATE_AM
address masking enabled).
So we have to do it by hand.
Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/mach-s3c2440/mach-gta02.c')
0 files changed, 0 insertions, 0 deletions