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SubjectRe: [4/5] powerpc/livepatch: Add livepatch stack to struct thread_info
On Wed, 2016-13-04 at 12:53:22 UTC, Michael Ellerman wrote:
> In order to support live patching we need to maintain an alternate
> stack of TOC & LR values. We use the base of the stack for this, and
> store the "live patch stack pointer" in struct thread_info.
> Unlike the other fields of thread_info, we can not statically initialise
> that value, so it must be done at run time.
> This patch just adds the code to support that, it is not enabled until
> the next patch which actually adds live patch support.
> Signed-off-by: Michael Ellerman <>
> Acked-by: Balbir Singh <>

Applied to powerpc next.


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