linux-kernel - Re: [PATCH v5 0/5] Wire up getrandom() vDSO implementation on powerpc

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Message-ID: <Ztmqdr01_idiz64-@zx2c4.com>
Date: Thu, 5 Sep 2024 14:56:22 +0200
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: Michael Ellerman <mpe@...erman.id.au>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Nicholas Piggin <npiggin@...il.com>,
	Naveen N Rao <naveen@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-kselftest@...r.kernel.org,
	llvm@...ts.linux.dev, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org, linux-trace-kernel@...r.kernel.org,
	Adhemerval Zanella <adhemerval.zanella@...aro.org>,
	Xi Ruoyao <xry111@...111.site>
Subject: Re: [PATCH v5 0/5] Wire up getrandom() vDSO implementation on powerpc

On Thu, Sep 05, 2024 at 10:18:40PM +1000, Michael Ellerman wrote:
> There is an existing comment in the a/p/vdso/Makefile about the
> fixed-r30 thing, tldr is it's a workaround to avoid breaking old
> versions of Go.

Thanks. Indeed, following Christophe's links yesterday, I tumbled down
that rabbit hole for a bit. Interesting how ABIs ossify unintentionally.


> For the series:
> 
> Acked-by: Michael Ellerman <mpe@...erman.id.au> (powerpc)

Excellent, queued up now.

> If you can include Maddy's test results from Power9 in the change log
> for patch 5 that'd be nice.

Was my plan exactly. I replaced the QEMU result with the PowerNV one.

Jason