On 16.10.23 16:29, Peter Zijlstra wrote:
On Mon, Oct 16, 2023 at 02:39:32PM +0200, Juergen Gross wrote:Instead of stacking alternative and paravirt patching, use the new ALT_FLAG_CALL flag to switch those mixed calls to pure alternative handling. This eliminates the need to be careful regarding the sequence of alternative and paravirt patching. For call depth tracking callthunks_setup() needs to be adapted to patch calls at alternative patching sites instead of paravirt calls. Signed-off-by: Juergen Gross <jgross@xxxxxxxx>I cannot help but feel this would've been better as two patches, one introducing ALT_NOT_XEN and then a second with the rest.
In case I need to respin I'll split it up.
Regardless, Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Thanks, Juergen
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