linux-kernel - Re: [PATCH] x86/mm: Fix RESERVE

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Message-ID: <20220608233330.rxliy3jiyhzbbjoj@treble>
Date:   Wed, 8 Jun 2022 16:33:30 -0700
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     Joe Damato <jdamato@...tly.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Cooper <Andrew.Cooper3@...rix.com>,
        jiangshanlai@...il.com, bp@...e.de, brgerst@...il.com
Subject: Re: [PATCH] x86/mm: Fix RESERVE_BRK() for older binutils

On Wed, Jun 08, 2022 at 03:57:27PM -0700, Josh Poimboeuf wrote:
> On Thu, Jun 09, 2022 at 01:12:09AM +0300, Joe Damato wrote:
> > I applied the patch on top of commit 58f9d52ff689 ("Merge tag
> > 'net-5.19-rc1' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net") and the kernel
> > now builds successfully for me.
> > 
> > The resulting kernel boots fine on the machine, as well.
> > 
> > Tested-by: Joe Damato <jdamato@...tly.com>
> 
> Thanks.  Unfortunately, the LLVM linker doesn't like the patch...

I've discovered that if you put a variable in ".bss..whatever", the
section will magically be made NOBITS.  Will try that for v2.

-- 
Josh