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

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Date:   Wed, 8 Jun 2022 15:57:24 -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 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...

>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(kernel/setup.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS
--
>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(mm/init.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS
>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(kernel/setup.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS
--
>> ld.lld: warning: section type mismatch for .brk_reservation
   >>> arch/x86/built-in.a(mm/init.o):(.brk_reservation): SHT_PROGBITS
   >>> output section .brk: SHT_NOBITS

-- 
Josh