linux-kernel - Re: [PATCH] livepatch: Remove reliable stacktrace check in klp_try_switch

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Message-ID: <20180712083411.ofebltgc4jjkvkyb@pathway.suse.cz>
Date:   Thu, 12 Jul 2018 10:34:11 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Cc:     Miroslav Benes <mbenes@...e.cz>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jiri Kosina <jkosina@...e.cz>, live-patching@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] livepatch: Remove reliable stacktrace check in
 klp_try_switch_task()

On Thu 2018-07-12 13:35:06, Kamalesh Babulal wrote:
> Support for immediate flag was removed by commit d0807da78e11
> ("livepatch: Remove immediate feature").  We bail out during
> patch registration for architectures, those don't support
> reliable stack trace. Remove the check in klp_try_switch_task(),
> as its not required.
> 
> Signed-off-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>

Good catch!

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr