Re: [PATCH v2 0/7] KVM: arm64: Fix missing ESR_ELx.IL in syndrome injection

[Marc Zyngier]

On Thu, 18 Jun 2026 13:16:36 +0100, Fuad Tabba wrote:
> After sashiko caught the missing IL bug [1], I did an audit of all ESR
> syndrome construction sites in KVM/arm64 as Marc suggested. This series
> is the result of that audit.
> 
> The ARM architecture mandates ESR_ELx.IL=1 for several exception
> classes regardless of instruction length: EC=Unknown, Instruction
> Aborts, Data Aborts with ISV=0, and SError. For FPAC (EC=0x1C), IL
> reflects instruction length, but FPAC can only be generated by A64
> instructions, so IL must also be 1.
> 
> [...]

Applied to fixes, thanks!

[1/7] KVM: arm64: Set ESR_ELx.IL for injected undefined exceptions at EL2
      commit: daa71eca24fdfb43029830bd57ddaddf70c59b23
[2/7] KVM: arm64: Unconditionally set IL for injected undefined exceptions
      commit: 1d695dc827957e9570d1b56abac1250d2d13bf0c
[3/7] KVM: arm64: Unconditionally set IL for injected abort exceptions
      commit: add40af98b34764ff5603dce297160fde12d784c
[4/7] KVM: arm64: Set IL for injected FPAC exceptions during ERET emulation
      commit: a52d6d68ad30374dd794bff300d8538e35ee49a8
[5/7] KVM: arm64: Set IL for emulated SError injection
      commit: 7514f1785d526207af8512cc6ccb1c35c5c61767
[6/7] KVM: arm64: Set IL for nested SError injection
      commit: a69412287a33c931dca9e48d30c0dbf8cde0ffe6
[7/7] KVM: arm64: Set IL in fake ESR for pKVM memory sharing exit
      commit: cbe2278aa3dd6832c544782c6cfed1fbc1f71a42

Cheers,

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