From: Vladimir Murzin Date: Wed, 10 Aug 2016 09:49:43 +0000 (+0100) Subject: arm64: KVM: report configured SRE value to 32-bit world X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f7f6f2d94f0027242ddfd665289b107a873fde43;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git arm64: KVM: report configured SRE value to 32-bit world After commit b34f2bc ("arm64: KVM: Make ICC_SRE_EL1 access return the configured SRE value") we report SRE value to 64-bit guest, but 32-bit one still handled as RAZ/WI what leads to funny promise we do not keep: "GICv3: GIC: unable to set SRE (disabled at EL2), panic ahead" Instead, return the actual value of the ICC_SRE_EL1 register that the guest should see. [ Tweaked commit message - Christoffer ] Signed-off-by: Vladimir Murzin Acked-by: Marc Zyngier Signed-off-by: Christoffer Dall --- diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index af5ea86d1c19..e51367d159d0 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1352,7 +1352,7 @@ static const struct sys_reg_desc cp15_regs[] = { { Op1( 0), CRn(10), CRm( 3), Op2( 1), access_vm_reg, NULL, c10_AMAIR1 }, /* ICC_SRE */ - { Op1( 0), CRn(12), CRm(12), Op2( 5), trap_raz_wi }, + { Op1( 0), CRn(12), CRm(12), Op2( 5), access_gic_sre }, { Op1( 0), CRn(13), CRm( 0), Op2( 1), access_vm_reg, NULL, c13_CID },