Re: [stable:PATCH v5.4.184 00/22] arm64: Mitigate spectre style branch history side channels

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On Wed, Mar 16, 2022 at 05:38:34PM +0000, James Morse wrote:
Hi Sasha,

On 3/16/22 3:41 PM, Sasha Levin wrote:
On Tue, Mar 15, 2022 at 06:23:53PM +0000, James Morse wrote:
Hi Greg,

Here is the state of the current v5.4 backport. Now that the 32bit
code has been merged, it doesn't conflict when KVM's shared 32bit/64bit
code needs to use these constants.

I've fixed the two issues that were reported against the v5.10 backport.

I had a go at bringing all the pre-requisites in to add proton-pack.c
to v5.4. Its currently 39 patches:
https://git.gitlab.arm.com/linux-arm/linux-jm.git /bhb/alternative_backport/UNTESTED/v5.4.183
(or for web browsers:
https://gitlab.arm.com/linux-arm/linux-jm/-/commits/bhb/alternative_backport/UNTESTED/v5.4.183/
)

I've queued it up.

Just to clarify - you've queued this series that I posted, not the above 'UNTESTED' branch
where I tried (unsuccessfully) to bring in the prerequisites.

(The position of your comment made me jump!)

Yes, sorry, the series :)

--
Thanks,
Sasha



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