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

Sasha Levin
2022-03-16T18:44:43Z

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