linux-kernel - Re: [PATCH] perf, x86: Optimize intel_pmu_pebs_fixup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 17 Oct 2013 16:51:31 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Don Zickus <dzickus@...hat.com>
Cc:	dave.hansen@...ux.intel.com, eranian@...gle.com,
	ak@...ux.intel.com, jmario@...hat.com,
	linux-kernel@...r.kernel.org, acme@...radead.org, mingo@...nel.org
Subject: Re: [PATCH] perf, x86: Optimize intel_pmu_pebs_fixup_ip()

On Thu, Oct 17, 2013 at 10:49:13AM -0400, Don Zickus wrote:
> For some reason this patch is page faulting at an invalid address inside
> __intel_pmu_pebs_event().

Ah yes, I lost a refresh, but read on; I've send a gazillion new emails
since ;-)

I think it was something like: s/this_cpu_ptr/this_cpu_read/ to make it
work again.
--
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/