[0/2] kvm/arm64: unimplemented sysreg improvements

Message

Mark Rutland Dec. 5, 2019, 6:06 p.m. UTC

While testing some other patches, I realised that KVM's logging of
trapped sysreg accesses can log inconsistent information, and this is
arguably unnecessary for IMPLEMENTATION DEFINED system registers.

This patches fix that up, ensureing that logged information is
consistent, and avoiding logging for IMPLEMENTATION DEFINED registers.

Mark.

Mark Rutland (2):
  kvm/arm64: sanely ratelimit sysreg messages
  kvm/arm64: don't log IMP DEF sysreg traps

 arch/arm64/kvm/sys_regs.c | 20 ++++++++++++++------
 arch/arm64/kvm/sys_regs.h | 17 +++++++++++++++--
 2 files changed, 29 insertions(+), 8 deletions(-)

Comments

Marc Zyngier Dec. 6, 2019, 11:44 a.m. UTC | #1

On 2019-12-05 18:06, Mark Rutland wrote:
> While testing some other patches, I realised that KVM's logging of
> trapped sysreg accesses can log inconsistent information, and this is
> arguably unnecessary for IMPLEMENTATION DEFINED system registers.
>
> This patches fix that up, ensureing that logged information is
> consistent, and avoiding logging for IMPLEMENTATION DEFINED 
> registers.
>
> Mark.
>
> Mark Rutland (2):
>   kvm/arm64: sanely ratelimit sysreg messages
>   kvm/arm64: don't log IMP DEF sysreg traps
>
>  arch/arm64/kvm/sys_regs.c | 20 ++++++++++++++------
>  arch/arm64/kvm/sys_regs.h | 17 +++++++++++++++--
>  2 files changed, 29 insertions(+), 8 deletions(-)

Applied, thanks.

         M.