Re: [PATCH urgent] x86: Save cr4 to mmu_cr4_features at boot time

From: Ingo Molnar
Date: Fri Apr 01 2011 - 02:23:48 EST



* Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:

> Save cr4 to mmu_cr4_features at boot time
>
> This patch fixes a freeze when resuming from hibernation, introduced by
> "x86: Cleanup highmap after brk is concluded", commit id
> e5f15b45ddf3afa2bbbb10c7ea34fb32b6de0a0e.
> This patch should be backported to all the stable tree where the
> offending commit is present.

No, the offending commit should be reverted from -stable. It's not at all clear
yet why this fix patch helps.

Thanks,

Ingo
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