linux-kernel - Re: [for-linus][PATCH 5/5] recordmcount: Correct st

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Message-ID: <YMHMdxpzkuZx12Uf@hirez.programming.kicks-ass.net>
Date:   Thu, 10 Jun 2021 10:25:27 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        stable@...r.kernel.org, Mark-PK Tsai <mark-pk.tsai@...iatek.com>,
        Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [for-linus][PATCH 5/5] recordmcount: Correct st_shndx handling

On Wed, Jun 09, 2021 at 08:33:49PM -0400, Steven Rostedt wrote:
> From: Peter Zijlstra <peterz@...radead.org>
> 
> One should only use st_shndx when >SHN_UNDEF and <SHN_LORESERVE. When
> SHN_XINDEX, then use .symtab_shndx. Otherwise use 0.
> 
> This handles the case: st_shndx >= SHN_LORESERVE && st_shndx != SHN_XINDEX.
> 
> Link: https://lkml.kernel.org/r/YL9HxEc/l0yrl5o8@hirez.programming.kicks-ass.net
> 
> Cc: stable@...r.kernel.org
> Fixes: 4ef57b21d6fb4 ("recordmcount: support >64k sections")
> Reported-by: Mark-PK Tsai <mark-pk.tsai@...iatek.com>
> Tested-by: Mark-PK Tsai <mark-pk.tsai@...iatek.com>
> Acked-by: Ard Biesheuvel <ardb@...nel.org>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

This is apperently causing trouble for Stephen in -next. Please hold.