Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [patch 00/38] x86/retbleed: Call depth tracking mitigation | Date | Sat, 23 Jul 2022 11:50:53 +0200 |
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On Thu, Jul 21 2022 at 17:54, Peter Zijlstra wrote: > On Wed, Jul 20, 2022 at 11:13:16PM +0200, Peter Zijlstra wrote: > The idea is the above callthunk that makes any offset work by not having > the full hash as an immediate and allow kCFI along with > -fpatchable-function-entry=N,M and include M in the offset. > > Specifically, I meant to use -fpatchable-function-entry=16,16, but alas, > I never got that far.
That's embarrasing. I missed that option in the maze of gcc options. That would have spared me to stare at gcc code :)
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