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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	linuxppc-dev@lists.ozlabs.org, Ard Biesheuvel <ardb@kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Jason Baron <jbaron@akamai.com>
Subject: Re: [PATCH v3] powerpc/32: Add support for out-of-line static calls
Date: Tue, 02 Nov 2021 21:11:48 +1100	[thread overview]
Message-ID: <163584790887.1845480.9565993990239448984.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <6ec2a7865ed6a5ec54ab46d026785bafe1d837ea.1630484892.git.christophe.leroy@csgroup.eu>

On Wed, 1 Sep 2021 08:30:21 +0000 (UTC), Christophe Leroy wrote:
> Add support for out-of-line static calls on PPC32. This change
> improve performance of calls to global function pointers by
> using direct calls instead of indirect calls.
> 
> The trampoline is initialy populated with a 'blr' or branch to target,
> followed by an unreachable long jump sequence.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/32: Add support for out-of-line static calls
      https://git.kernel.org/powerpc/c/5c810ced36ae1a8f1a7403c1635b0dc07c115086

cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	Jason Baron <jbaron@akamai.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	linuxppc-dev@lists.ozlabs.org, Ard Biesheuvel <ardb@kernel.org>
Subject: Re: [PATCH v3] powerpc/32: Add support for out-of-line static calls
Date: Tue, 02 Nov 2021 21:11:48 +1100	[thread overview]
Message-ID: <163584790887.1845480.9565993990239448984.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <6ec2a7865ed6a5ec54ab46d026785bafe1d837ea.1630484892.git.christophe.leroy@csgroup.eu>

On Wed, 1 Sep 2021 08:30:21 +0000 (UTC), Christophe Leroy wrote:
> Add support for out-of-line static calls on PPC32. This change
> improve performance of calls to global function pointers by
> using direct calls instead of indirect calls.
> 
> The trampoline is initialy populated with a 'blr' or branch to target,
> followed by an unreachable long jump sequence.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/32: Add support for out-of-line static calls
      https://git.kernel.org/powerpc/c/5c810ced36ae1a8f1a7403c1635b0dc07c115086

cheers

  parent reply	other threads:[~2021-11-02 11:39 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01  8:30 [PATCH v3] powerpc/32: Add support for out-of-line static calls Christophe Leroy
2021-09-01  8:30 ` Christophe Leroy
2021-09-01  8:52 ` Peter Zijlstra
2021-09-01  8:52   ` Peter Zijlstra
2021-11-02 10:11 ` Michael Ellerman [this message]
2021-11-02 10:11   ` Michael Ellerman

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