Re: [PATCH 2.6.32 18/62] s390/hibernate: fix save and restore of kernel text section

From: Ben Hutchings
Date: Mon Sep 14 2015 - 22:10:52 EST


On Sun, 2015-09-13 at 00:56 +0200, Willy Tarreau wrote:
> 2.6.32-longterm review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
>
> commit d74419495633493c9cd3f2bbeb7f3529d0edded6 upstream.
>
> Sebastian reported a crash caused by a jump label mismatch after resume.
> This happens because we do not save the kernel text section during suspend
> and therefore also do not restore it during resume, but use the kernel image
> that restores the old system.
[...]

I don't think this is needed because jump labels aren't implemented in
2.6.32. But maybe there was some other mechanism that changes the
kernel text on s390?

Ben.

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