Re: [PATCH] target/arm: don't clobber ID_AA64ISAR1 pointer auth

2021-05-24 Thread Richard Henderson
On 5/24/21 8:29 PM, Richard Henderson wrote: On 5/24/21 1:43 AM, Jamie Iles wrote: The pointer auth properties are added to the max CPU type but the finalization happens for all CPUs.  It makes sense to be able to disable pointer authentication for the max CPU type, but for future CPUs that impl

Re: [PATCH] target/arm: don't clobber ID_AA64ISAR1 pointer auth

2021-05-24 Thread Richard Henderson
On 5/24/21 1:43 AM, Jamie Iles wrote: The pointer auth properties are added to the max CPU type but the finalization happens for all CPUs. It makes sense to be able to disable pointer authentication for the max CPU type, but for future CPUs that implement pointer authentication and have bits set

[PATCH] target/arm: don't clobber ID_AA64ISAR1 pointer auth

2021-05-24 Thread Jamie Iles
The pointer auth properties are added to the max CPU type but the finalization happens for all CPUs. It makes sense to be able to disable pointer authentication for the max CPU type, but for future CPUs that implement pointer authentication and have bits set in ID_AA64ISAR1, don't clobber them unl