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SubjectRe: [patch] HWBKPT FIX: Release the bp slot if arch_validate_hwbkpt_settings() fails.
On Thu, Jan 21, 2010 at 06:25:16PM +0530, Mahesh Salgaonkar wrote:
> On a given architecture, when hardware breakpoint registration fails due
> to un-supported access type (read/write/execute), we loose the bp slot since
> register_perf_hw_breakpoint() does not release the bp slot on failure.
> Hence, any subsequent hardware breakpoint registration starts failing
> with 'no space left on device' error.
> This patch introduces error handling in register_perf_hw_breakpoint()
> function and releases bp slot on error.
> Signed-off-by: Mahesh Salgaonkar <>

Thanks. I'm queuing it.

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