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Date: Sun, 20 Oct 2024 01:09:19 -0700
From: Josh Poimboeuf <jpoimboe@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org, Steven Rostedt <rostedt@goodmis.org>,
	Ingo Molnar <mingo@kernel.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	linux-kernel@vger.kernel.org, Indu Bhagat <indu.bhagat@oracle.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	linux-perf-users@vger.kernel.org, Mark Brown <broonie@kernel.org>,
	linux-toolchains@vger.kernel.org, Jordan Rome <jordalgo@meta.com>,
	Sam James <sam@gentoo.org>
Subject: Re: [PATCH v2 02/11] unwind/x86: Add HAVE_USER_UNWIND
Message-ID: <20241020080919.v4zfqwgpjxhluxaq@treble>
References: <cover.1726268190.git.jpoimboe@kernel.org>
 <82ef19a767cb75e76a985ecc0d47a39400b4fdf5.1726268190.git.jpoimboe@kernel.org>
 <20240916114605.GA4723@noisy.programming.kicks-ass.net>
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In-Reply-To: <20240916114605.GA4723@noisy.programming.kicks-ass.net>

On Mon, Sep 16, 2024 at 01:46:05PM +0200, Peter Zijlstra wrote:
> > +#define ARCH_INIT_USER_FP_FRAME							\
> > +	.ra_off		= (s32)sizeof(long) * -1,				\
> > +	.cfa_off	= (s32)sizeof(long) * 2,				\
> > +	.fp_off		= (s32)sizeof(long) * -2,				\
> > +	.use_fp		= true,
> 
> What about compat crap?

Sframe doesn't support x86 compat so I guess we don't need to worry
about that at least for now.

-- 
Josh