linux-kernel - Re: [PATCH 01/17] perf: Unified API to record selective sets of arch registers

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 for Android: free password hash cracker in your pocket

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

Date:	Wed, 25 Jul 2012 18:12:31 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	acme@...hat.com, a.p.zijlstra@...llo.nl, mingo@...e.hu,
	paulus@...ba.org, cjashfor@...ux.vnet.ibm.com, eranian@...gle.com,
	gorcunov@...nvz.org, tzanussi@...il.com, mhiramat@...hat.com,
	robert.richter@....com, fche@...hat.com,
	linux-kernel@...r.kernel.org, masami.hiramatsu.pt@...achi.com,
	drepper@...il.com, asharma@...com, benjamin.redelings@...cent.org
Subject: Re: [PATCH 01/17] perf: Unified API to record selective sets of arch
 registers

On Sun, Jul 22, 2012 at 02:14:24PM +0200, Jiri Olsa wrote:
> This brings a new API to help the selective dump of registers on
> event sampling, and its implementation for x86 arch.
> 
> Added HAVE_PERF_REGS config option to determine if the architecture
> provides perf registers ABI.
> 
> The information about desired registers will be passed in u64 mask.
> It's up to the architecture to map the registers into the mask bits.
> 
> For the x86 arch implementation, both 32 and 64 bit registers
> bits are defined within single enum to ensure 64 bit system can
> provide register dump for compat task if needed in the future.
> 
> Signed-off-by: Jiri Olsa <jolsa@...hat.com>
> Original-patch-by: Frederic Weisbecker <fweisbec@...il.com>

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/