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Date: Mon, 16 Jun 2014 17:52:15 +0200 From: Frederic Weisbecker <fweisbec@...il.com> To: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> Cc: Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...e.de>, Kees Cook <keescook@...omium.org>, Jiri Kosina <jkosina@...e.cz>, Rusty Russell <rusty@...tcorp.com.au>, x86@...nel.org, Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Seiji Aguchi <seiji.aguchi@....com>, Ingo Molnar <mingo@...nel.org> Subject: Re: [PATCH -tip ] [Bugfix] x86/kprobes: Fix build errors and blacklist context_track_user On Sat, Jun 14, 2014 at 06:47:12AM +0000, Masami Hiramatsu wrote: > This reverts commit ecd50f714c421c759354632dd00f70c718c95b10 > since it causes build errors with CONFIG_CONTEXT_TRACKING and > that has been made from misunderstandings; context_track_user_*() > don't involve much in interrupt context, it just returns > if in_interrupt() is true. > > Instead of changing the do_debug/int3(), this just adds > context_track_user_*() to kprobes blacklist, since those are > still can be called right before kprobes handles int3 and debug > exceptions, and probing those will cause infinit loop. > > Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> > Reported-by: Frederic Weisbecker <fweisbec@...il.com> Thanks a lot! Acked-by: Frederic Weisbecker <fweisbec@...il.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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