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| author |   Marc Zyngier <maz@kernel.org> | 2020-10-29 17:24:09 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-10-29 19:49:03 +0000 |
| commit | 4a1c2c7f63c52ccb11770b5ae25920a6b79d3548 (patch) | |
| tree | 56dfc90b4aab387dab0fbc77753b6e51e61027de /arch/arm64/kvm | |
| parent | KVM: arm64: Allocate stage-2 pgd pages with GFP_KERNEL_ACCOUNT (diff) | |
| download | linux-dev-4a1c2c7f63c52ccb11770b5ae25920a6b79d3548.tar.xz linux-dev-4a1c2c7f63c52ccb11770b5ae25920a6b79d3548.zip | |
KVM: arm64: Fix AArch32 handling of DBGD{CCINT,SCRext} and DBGVCR
The DBGD{CCINT,SCRext} and DBGVCR register entries in the cp14 array
are missing their target register, resulting in all accesses being
targetted at the guard sysreg (indexed by __INVALID_SYSREG__).
Point the emulation code at the actual register entries.
Fixes: bdfb4b389c8d ("arm64: KVM: add trap handlers for AArch32 debug registers")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20201029172409.2768336-1-maz@kernel.org
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 3c203cb8c103..983994f01a63 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1881,9 +1881,9 @@ static const struct sys_reg_desc cp14_regs[] = { { Op1( 0), CRn( 0), CRm( 1), Op2( 0), trap_raz_wi }, DBG_BCR_BVR_WCR_WVR(1), /* DBGDCCINT */ - { Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug32 }, + { Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug32, NULL, cp14_DBGDCCINT }, /* DBGDSCRext */ - { Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug32 }, + { Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug32, NULL, cp14_DBGDSCRext }, DBG_BCR_BVR_WCR_WVR(2), /* DBGDTR[RT]Xint */ { Op1( 0), CRn( 0), CRm( 3), Op2( 0), trap_raz_wi }, @@ -1898,7 +1898,7 @@ static const struct sys_reg_desc cp14_regs[] = { { Op1( 0), CRn( 0), CRm( 6), Op2( 2), trap_raz_wi }, DBG_BCR_BVR_WCR_WVR(6), /* DBGVCR */ - { Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug32 }, + { Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug32, NULL, cp14_DBGVCR }, DBG_BCR_BVR_WCR_WVR(7), DBG_BCR_BVR_WCR_WVR(8), DBG_BCR_BVR_WCR_WVR(9), |