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Date:   Mon, 14 Nov 2022 10:52:51 -0800
From:   Josh Poimboeuf <jpoimboe@kernel.org>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     "Jiri Slaby (SUSE)" <jirislaby@kernel.org>,
        linux-kernel@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
        Jason Baron <jbaron@akamai.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ard Biesheuvel <ardb@kernel.org>,
        Martin Liska <mliska@suse.cz>, Jiri Slaby <jslaby@suse.cz>
Subject: Re: [PATCH 08/46] static_call, lto: Mark static keys as __visible
Message-ID: <20221114185251.eq45bjri6tsv4nct@treble>
References: <20221114114344.18650-1-jirislaby@kernel.org>
 <20221114114344.18650-9-jirislaby@kernel.org>
 <Y3Jj67TZ9tA2a6Pf@hirez.programming.kicks-ass.net>
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On Mon, Nov 14, 2022 at 04:51:07PM +0100, Peter Zijlstra wrote:
> On Mon, Nov 14, 2022 at 12:43:06PM +0100, Jiri Slaby (SUSE) wrote:
> > From: Andi Kleen <andi@firstfloor.org>
> > 
> > Symbols referenced from assembler (either directly or e.f. from
> > DEFINE_STATIC_KEY()) need to be global and visible in gcc LTO because
> > they could end up in a different object file than the assembler. This
> > can lead to linker errors without this patch.
> > 
> > So mark static call functions as __visible, namely static keys here.
> 
> Why doesn't llvm-lto need this?
> 
> Also, why am I getting a random selection of the patchset?

Same, please Cc me on the whole set next time.

-- 
Josh