linux-kernel - Re: [PATCH] s390: vmlinux.lds: move JUMP_TABLE

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Date:   Tue, 2 Oct 2018 07:48:48 +0200
From:   Ard Biesheuvel <ard.biesheuvel@...aro.org>
To:     Heiko Carstens <heiko.carstens@...ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>
Cc:     linux-s390 <linux-s390@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Kees Cook <keescook@...omium.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Jessica Yu <jeyu@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] s390: vmlinux.lds: move JUMP_TABLE_DATA into output section

On 1 October 2018 at 22:25, Heiko Carstens <heiko.carstens@...ibm.com> wrote:
> On Sun, Sep 30, 2018 at 06:49:50PM +0200, Ard Biesheuvel wrote:
>> Commit e872267b8bcbb179 ("jump_table: move entries into ro_after_init
>> region") moved the __jump_table input section into the __ro_after_init
>> output section, but inadvertently put the macro in the wrong place in
>> the s390 linker script. Let's fix that.
>>
>> Fixes: e872267b8bcbb179 ("jump_table: move entries into ro_after_init region")
>> Reported-by: Guenter Roeck <linux@...ck-us.net>
>> Cc: Heiko Carstens <heiko.carstens@...ibm.com>
>> Cc: Kees Cook <keescook@...omium.org>
>> Cc: Thomas Gleixner <tglx@...utronix.de>
>> Cc: Ingo Molnar <mingo@...hat.com>
>> Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
>> Cc: Jessica Yu <jeyu@...nel.org>
>> Cc: Peter Zijlstra <peterz@...radead.org>
>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>
>> ---
>>  arch/s390/kernel/vmlinux.lds.S | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> Acked-by: Heiko Carstens <heiko.carstens@...ibm.com>
>
> I don't think this is very obvious, but this fixes current build breakage
> in linux-next and I assume Thomas should pick this up.
>

Indeed.

Thomas, Ingo,

Could you please take this fix for the jump lable changes queued in
-next, and the other one I sent out yesterday [0], through core/core
in tip.git as before?

Thanks,
Ard.

[0] https://lore.kernel.org/lkml/20181001081324.11553-1-ard.biesheuvel@linaro.org/