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[2/3] KVM: arm64: Simplify visibility handling of AArch32 SPSR_*

Message ID 20240904082419.1982402-3-maz@kernel.org (mailing list archive)
State New
Headers show
Series KVM: arm64: Get rid of REG_HIDDEN_USER | expand

Commit Message

Marc Zyngier Sept. 4, 2024, 8:24 a.m. UTC 
Since SPSR_* are not associated with any register in the sysreg array,
nor do they have .get_user()/.set_user() helpers, they are invisible to
userspace with that encoding.

Therefore hidden_user_visibility() serves no purpose here, and can be
safely removed.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/kvm/sys_regs.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 5328fac8d547..2586ad29eaa0 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -2795,14 +2795,10 @@  static const struct sys_reg_desc sys_reg_descs[] = {
 	{ SYS_DESC(SYS_SP_EL1), access_sp_el1},
 
 	/* AArch32 SPSR_* are RES0 if trapped from a NV guest */
-	{ SYS_DESC(SYS_SPSR_irq), .access = trap_raz_wi,
-	  .visibility = hidden_user_visibility },
-	{ SYS_DESC(SYS_SPSR_abt), .access = trap_raz_wi,
-	  .visibility = hidden_user_visibility },
-	{ SYS_DESC(SYS_SPSR_und), .access = trap_raz_wi,
-	  .visibility = hidden_user_visibility },
-	{ SYS_DESC(SYS_SPSR_fiq), .access = trap_raz_wi,
-	  .visibility = hidden_user_visibility },
+	{ SYS_DESC(SYS_SPSR_irq), .access = trap_raz_wi },
+	{ SYS_DESC(SYS_SPSR_abt), .access = trap_raz_wi },
+	{ SYS_DESC(SYS_SPSR_und), .access = trap_raz_wi },
+	{ SYS_DESC(SYS_SPSR_fiq), .access = trap_raz_wi },
 
 	{ SYS_DESC(SYS_IFSR32_EL2), undef_access, reset_unknown, IFSR32_EL2 },
 	EL2_REG(AFSR0_EL2, access_rw, reset_val, 0),