Re: [tip:x86/asm] x86/asm: Optimize clear_page()

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On Mon, Mar 6, 2017 at 11:30 PM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> * Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
>
>> On Wed, Mar 1, 2017 at 1:47 AM, tip-bot for Borislav Petkov
>> <tipbot@xxxxxxxxx> wrote:
>> > Commit-ID:  49ca7bb328c630dd43be626534b49e19513296fd
>> > Gitweb:     http://git.kernel.org/tip/49ca7bb328c630dd43be626534b49e19513296fd
>> > Author:     Borislav Petkov <bp@xxxxxxx>
>> > AuthorDate: Thu, 9 Feb 2017 01:34:49 +0100
>> > Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
>> > CommitDate: Wed, 1 Mar 2017 10:18:32 +0100
>> >
>> > x86/asm: Optimize clear_page()
>> >
>> > Currently, we CALL clear_page() which then JMPs to the proper function
>> > chosen by the alternatives.
>> >
>> > What we should do instead is CALL the proper function directly. (This
>> > was something Ingo suggested a while ago). So let's do that.
>>
>> looks like this one broke the kexec.
>> after revert it back, kexec work again.
>
> Ok, this should be fixed in the new version I just pushed out:
>
>   f25d38475519 x86/asm: Optimize clear_page()
>
> Please let me know if it doesn't.

Yes. new commit works with kexec.

Thanks

Yinghai
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