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From: Petr Mladek <pmladek@suse.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Russell King <linux@armlinux.org.uk>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
	Marc Zyngier <maz@kernel.org>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mike Rapoport <rppt@kernel.org>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Leonardo Bras <leobras.c@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@kernel.org>, Will Deacon <will@kernel.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Kees Cook <keescook@chromium.org>, Nick Terrell <terrelln@fb.com>,
	David Howells <dhowells@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	linux-arm-kernel@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH printk v2 3/5] printk: remove NMI tracking
Date: Thu, 1 Apr 2021 16:37:50 +0200	[thread overview]
Message-ID: <YGXavg8+f9i1PZLn@alley> (raw)
In-Reply-To: <20210330153512.1182-4-john.ogness@linutronix.de>

On Tue 2021-03-30 17:35:10, John Ogness wrote:
> All NMI contexts are handled the same as the safe context: store the
> message and defer printing. There is no need to have special NMI
> context tracking for this. Using in_nmi() is enough.
> 
> Signed-off-by: John Ogness <john.ogness@linutronix.de>

This is another great win!

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

Best Regards,
Petr

WARNING: multiple messages have this Message-ID
From: Petr Mladek <pmladek@suse.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Alexei Starovoitov <ast@kernel.org>,
	David Howells <dhowells@redhat.com>,
	Paul Mackerras <paulus@samba.org>, Will Deacon <will@kernel.org>,
	Leonardo Bras <leobras.c@gmail.com>,
	Marc Zyngier <maz@kernel.org>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Ingo Molnar <mingo@redhat.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Kees Cook <keescook@chromium.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Frederic Weisbecker <frederic@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Terrell <terrelln@fb.com>, Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@lists.ozlabs.org, Mike Rapoport <rppt@kernel.org>
Subject: Re: [PATCH printk v2 3/5] printk: remove NMI tracking
Date: Thu, 1 Apr 2021 16:37:50 +0200	[thread overview]
Message-ID: <YGXavg8+f9i1PZLn@alley> (raw)
In-Reply-To: <20210330153512.1182-4-john.ogness@linutronix.de>

On Tue 2021-03-30 17:35:10, John Ogness wrote:
> All NMI contexts are handled the same as the safe context: store the
> message and defer printing. There is no need to have special NMI
> context tracking for this. Using in_nmi() is enough.
> 
> Signed-off-by: John Ogness <john.ogness@linutronix.de>

This is another great win!

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

Best Regards,
Petr

WARNING: multiple messages have this Message-ID
From: Petr Mladek <pmladek@suse.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Russell King <linux@armlinux.org.uk>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
	Marc Zyngier <maz@kernel.org>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mike Rapoport <rppt@kernel.org>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Leonardo Bras <leobras.c@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@kernel.org>, Will Deacon <will@kernel.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Kees Cook <keescook@chromium.org>, Nick Terrell <terrelln@fb.com>,
	David Howells <dhowells@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	linux-arm-kernel@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH printk v2 3/5] printk: remove NMI tracking
Date: Thu, 1 Apr 2021 16:37:50 +0200	[thread overview]
Message-ID: <YGXavg8+f9i1PZLn@alley> (raw)
In-Reply-To: <20210330153512.1182-4-john.ogness@linutronix.de>

On Tue 2021-03-30 17:35:10, John Ogness wrote:
> All NMI contexts are handled the same as the safe context: store the
> message and defer printing. There is no need to have special NMI
> context tracking for this. Using in_nmi() is enough.
> 
> Signed-off-by: John Ogness <john.ogness@linutronix.de>

This is another great win!

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

Best Regards,
Petr

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-04-01 18:23 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-30 15:35 [PATCH printk v2 0/5] printk: remove safe buffers John Ogness
2021-03-30 15:35 ` John Ogness
2021-03-30 15:35 ` John Ogness
2021-03-30 15:35 ` [PATCH printk v2 1/5] printk: track/limit recursion John Ogness
2021-04-01 10:00   ` Petr Mladek
2021-04-02  2:03     ` Sergey Senozhatsky
2021-03-30 15:35 ` [PATCH printk v2 2/5] printk: remove safe buffers John Ogness
2021-03-30 15:35   ` John Ogness
2021-03-31  7:59   ` John Ogness
2021-03-31  7:59     ` John Ogness
2021-04-01 12:21   ` Petr Mladek
2021-04-01 12:21     ` Petr Mladek
2021-04-01 13:19     ` John Ogness
2021-04-01 13:19       ` John Ogness
2021-04-01 14:17       ` Petr Mladek
2021-04-01 14:17         ` Petr Mladek
2021-04-02  2:14         ` Sergey Senozhatsky
2021-04-02  2:14           ` Sergey Senozhatsky
2021-04-06 11:17           ` Petr Mladek
2021-04-06 11:17             ` Petr Mladek
2021-04-06 11:01         ` John Ogness
2021-04-06 11:01           ` John Ogness
2021-03-30 15:35 ` [PATCH printk v2 3/5] printk: remove NMI tracking John Ogness
2021-03-30 15:35   ` John Ogness
2021-03-30 15:35   ` John Ogness
2021-04-01 14:37   ` Petr Mladek [this message]
2021-04-01 14:37     ` Petr Mladek
2021-04-01 14:37     ` Petr Mladek
2021-03-30 15:35 ` [PATCH printk v2 4/5] printk: convert @syslog_lock to mutex John Ogness
2021-04-01 15:13   ` Petr Mladek
2021-03-30 15:35 ` [PATCH printk v2 5/5] printk: syslog: close window between wait and read John Ogness

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