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authorMarc Zyngier <maz@kernel.org>2021-03-10 14:33:20 +0100
committerMarc Zyngier <maz@kernel.org>2021-03-18 16:52:02 +0100
commitfe2c8d19189e23a951e45fdb73aade25b1665bce (patch)
treec5b5feb3a4ccdaa0ceccc14b8ca6836178c0090d /arch/arm64/include
parentKVM: arm64: Use INIT_SCTLR_EL2_MMU_OFF to disable the MMU on KVM teardown (diff)
downloadlinux-fe2c8d19189e23a951e45fdb73aade25b1665bce.tar.xz
linux-fe2c8d19189e23a951e45fdb73aade25b1665bce.zip
KVM: arm64: Turn SCTLR_ELx_FLAGS into INIT_SCTLR_EL2_MMU_ON
Only the nVHE EL2 code is using this define, so let's make it plain that it is EL2 only, and refactor it to contain all the bits we need when configuring the EL2 MMU, and only those. Acked-by: Will Deacon <will@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/sysreg.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index d4a5fca984c3..ab24d9e7eef1 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -579,9 +579,6 @@
#define SCTLR_ELx_A (BIT(1))
#define SCTLR_ELx_M (BIT(0))
-#define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \
- SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)
-
/* SCTLR_EL2 specific flags. */
#define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \
(BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
@@ -593,6 +590,10 @@
#define ENDIAN_SET_EL2 0
#endif
+#define INIT_SCTLR_EL2_MMU_ON \
+ (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | \
+ SCTLR_ELx_IESB | ENDIAN_SET_EL2 | SCTLR_EL2_RES1)
+
#define INIT_SCTLR_EL2_MMU_OFF \
(SCTLR_EL2_RES1 | ENDIAN_SET_EL2)