[PATCH 0/2 v2] powerpc: Make ptrace work reliably
Bharat Bhushan
r65777 at freescale.com
Thu May 16 15:34:30 EST 2013
From: Bharat Bhushan <bharat.bhushan at freescale.com>
v1->v2
- Subject line was missing 0/2, 1/2, 2/2
Bharat Bhushan (2):
powerpc: debug control and status registers are 32bit
=> This patch makes debug control and status registers as 32bit as they are.
This does not fix anything
powerpc: restore dbcr0 on user space exit
=> This patch fixes the ptrace reliability issue. The description is the patch
describes one of the case where it does not work reliably
arch/powerpc/include/asm/processor.h | 8 ++++----
arch/powerpc/kernel/asm-offsets.c | 1 +
arch/powerpc/kernel/entry_64.S | 24 ++++++++++++++++++++----
3 files changed, 25 insertions(+), 8 deletions(-)
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