From: Jiri Kosina <jikos@kernel.org>
To: Petr Mladek <pmladek@suse.com>
Cc: Torsten Duwe <duwe@lst.de>,
jeyu@redhat.com, linux-kernel@vger.kernel.org,
rostedt@goodmis.org, kamalesh@linux.vnet.ibm.com,
linuxppc-dev@ozlabs.org, live-patching@vger.kernel.org,
mbenes@suse.cz
Subject: Re: [PATCH 2/2] ppc64le live patch: get rid of mini stack frame
Date: Thu, 10 Mar 2016 13:58:39 +0100 (CET) [thread overview]
Message-ID: <alpine.LNX.2.00.1603101357100.3656@cbobk.fhfr.pm> (raw)
In-Reply-To: <20160310125116.GS10940@pathway.suse.cz>
On Thu, 10 Mar 2016, Petr Mladek wrote:
> BTW: How is this solved in kretprobes? Or is it easier there?
Is that really a problem? With kretprobes you're never performing the
module->core->module transition in "one" redirection, right?
The 'kretprobe_trampoline' is a global symbol, and hence everybody is
generating 'global call' for it, and that's pretty much it.
--
Jiri Kosina
SUSE Labs
next prev parent reply other threads:[~2016-03-10 12:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-09 17:28 [PATCH 1/2] ppc64le live patch: clear out storage location(s) in mini stack frame Torsten Duwe
2016-03-09 17:30 ` [PATCH 2/2] ppc64le live patch: get rid of " Torsten Duwe
2016-03-10 12:25 ` Petr Mladek
2016-03-10 12:51 ` Petr Mladek
2016-03-10 12:58 ` Jiri Kosina [this message]
2016-03-10 13:04 ` Torsten Duwe
2016-03-11 0:50 ` Michael Ellerman
2016-03-11 3:37 ` [PATCH 1/2] ppc64le live patch: clear out storage location(s) in " Balbir Singh
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