linux-kernel - Re: [PATCH v4 0/3] livepatch: Cleanup of reliable stacktrace warnings

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Message-ID: <20190620143029.gf2ic6yxshactxbd@pathway.suse.cz>
Date:   Thu, 20 Jun 2019 16:30:29 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Miroslav Benes <mbenes@...e.cz>, jikos@...nel.org,
        joe.lawrence@...hat.com, kamalesh@...ux.vnet.ibm.com,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v4 0/3] livepatch: Cleanup of reliable stacktrace warnings

On Sat 2019-06-15 15:43:20, Josh Poimboeuf wrote:
> On Tue, Jun 11, 2019 at 04:13:17PM +0200, Miroslav Benes wrote:
> > This is the fourth attempt to improve the situation of reliable stack
> > trace warnings in livepatch. Based on discussion in
> > 20190531074147.27616-1-pmladek@...e.com (v3).
> > 
> > Changes against v3:
> > + weak save_stack_trace_tsk_reliable() removed, because it is not needed
> >   anymore thanks to Thomas' recent improvements
> > + klp_have_reliable_stack() check reintroduced in klp_try_switch_task()
> > 
> > Changes against v2:
> > 
> > + Put back the patch removing WARN_ONCE in the weak
> >   save_stack_trace_tsk_reliable(). It is related.
> > + Simplified patch removing the duplicate warning from klp_check_stack()
> > + Update commit message for 3rd patch [Josh]
> > 
> > Miroslav Benes (2):
> >   stacktrace: Remove weak version of save_stack_trace_tsk_reliable()
> >   Revert "livepatch: Remove reliable stacktrace check in
> >     klp_try_switch_task()"
> > 
> > Petr Mladek (1):
> >   livepatch: Remove duplicate warning about missing reliable stacktrace
> >     support
> > 
> >  kernel/livepatch/transition.c | 8 +++++++-
> >  kernel/stacktrace.c           | 8 --------
> >  2 files changed, 7 insertions(+), 9 deletions(-)
> 
> Thanks Miroslav for wrapping this up, and thanks to Petr for his
> previous work on this.
> 
> Acked-by: Josh Poimboeuf <jpoimboe@...hat.com>

All three patches have been commited into for-5.3/core branch.

Best Regards,
Petr