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2009-06-02hw-breakpoints: reset bits in dr6 after the corresponding exception is handledK.Prasad1-2/+11
This patch resets the bit in dr6 after the corresponding exception is handled in code, so that we keep a clean track of the current virtual debug status register. [ Impact: keep track of breakpoints triggering completion ] Signed-off-by: K.Prasad <[email protected]> Signed-off-by: Frederic Weisbecker <[email protected]>
2009-06-02hw-breakpoints: x86 architecture implementation of Hardware Breakpoint ↵K.Prasad1-0/+382
interfaces This patch introduces the arch-specific implementation of the generic hardware breakpoints in kernel/hw_breakpoint.c inside x86 specific directories. It contains functions which help to validate and serve requests using Hardware Breakpoint registers on x86 processors. [ [email protected]: fix conflict against kmemcheck ] Original-patch-by: Alan Stern <[email protected]> Signed-off-by: K.Prasad <[email protected]> Reviewed-by: Alan Stern <[email protected]> Signed-off-by: Frederic Weisbecker <[email protected]>