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Subject[PATCH v4] ARM64 breakpoint and single step exception hooks
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This patch adds support for breakpoint and single-step exception hooks.

v3 version of this patch is published and reviewed with arm64 kdgb and kprobes patch series [1] and [2]

[1] http://lwn.net/Articles/570648/
[2] https://lwn.net/Articles/571063/

Changes v3 -> v4:
-Incorporated review comments: http://lists.infradead.org/pipermail/linux-arm-kernel/2013-October/207372.html
-Removed unnecessary comments
-Added comments for breakpoint re-entrancy & rw locks
- Rebased on top of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64.git Branch:upstream
commit ID: dc1ccc48159d63eca5089e507c82c7d22ef60839 (Linux 3.13-rc2)
- CCing Jason Wessel, since arm64 kgdb patchset is dependant on this.

Sandeepa Prabhu (1):
arm64: support single-step and breakpoint handler hooks

arch/arm64/include/asm/debug-monitors.h | 21 ++++++++
arch/arm64/kernel/debug-monitors.c | 88 ++++++++++++++++++++++++++++++++-
arch/arm64/kernel/entry.S | 2 +
3 files changed, 110 insertions(+), 1 deletion(-)

--
1.8.1.2



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