Re: [PATCH] KVM: arm64: vgic-v3: Restrict SEIS workaround to known broken systems

2022-01-22 Thread Marc Zyngier
On 2022-01-22 11:14, Ard Biesheuvel wrote: On Sat, 22 Jan 2022 at 11:39, Marc Zyngier wrote: Contrary to what df652bcf1136 ("KVM: arm64: vgic-v3: Work around GICv3 locally generated SErrors") was asserting, there is at least one other system out there (Cavium ThunderX2) implementing SEIS, and

Re: [PATCH] KVM: arm64: vgic-v3: Restrict SEIS workaround to known broken systems

2022-01-22 Thread Ard Biesheuvel
On Sat, 22 Jan 2022 at 11:39, Marc Zyngier wrote: > > Contrary to what df652bcf1136 ("KVM: arm64: vgic-v3: Work around GICv3 > locally generated SErrors") was asserting, there is at least one other > system out there (Cavium ThunderX2) implementing SEIS, and not in > an obviously broken way. > >

[PATCH] KVM: arm64: vgic-v3: Restrict SEIS workaround to known broken systems

2022-01-22 Thread Marc Zyngier
Contrary to what df652bcf1136 ("KVM: arm64: vgic-v3: Work around GICv3 locally generated SErrors") was asserting, there is at least one other system out there (Cavium ThunderX2) implementing SEIS, and not in an obviously broken way. So instead of imposing the M1 workaround on an innocent