Re: [PATCH] KVM: arm64: Sync SPSR_EL1 when injecting an exception into a pVM

[Marc Zyngier]

On Fri, 12 Jun 2026 12:34:14 +0100, Fuad Tabba wrote:
> When pKVM injects a synchronous exception into a protected guest, it
> re-enters without restoring the guest's EL1 sysregs and writes the EL1
> exception registers to hardware by hand: ESR_EL1 and ELR_EL1, but not
> SPSR_EL1. enter_exception64() sets SPSR_EL1 (the interrupted PSTATE)
> only in memory, so the guest's handler reads a stale SPSR_EL1 and
> restores the wrong PSTATE on eret.
> 
> [...]

Applied to fixes, thanks!

[1/1] KVM: arm64: Sync SPSR_EL1 when injecting an exception into a pVM
      commit: ec40342aaca8162bc8ab2607076535ebab1838b8

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.