Messages in this thread | | | Date | Tue, 21 Jan 2020 10:30:16 +0000 | From | Will Deacon <> | Subject | Re: [RFC v5 12/57] objtool: check: Allow jumps from an alternative group to itself |
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On Mon, Jan 20, 2020 at 03:56:56PM +0100, Peter Zijlstra wrote: > On Thu, Jan 09, 2020 at 04:02:15PM +0000, Julien Thierry wrote: > > Alternatives can contain instructions that jump to another instruction > > in the same alternative group. This is actually a common pattern on > > arm64. > > LL/SC I bet...
I think there are some nasty errata workarounds that need it too.
WIll
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