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authorMark Brown <broonie@kernel.org>2022-05-10 17:12:00 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2022-05-16 19:50:20 +0100
commite65fc01bf271cefa6269b7ab1badcf7cddae5d40 (patch)
tree976b682e1239e2e6d86e05a12c6479a89a982bbc
parentarm64/sme: Drop SYS_ from SMIDR_EL1 defines (diff)
downloadlinux-dev-e65fc01bf271cefa6269b7ab1badcf7cddae5d40.tar.xz
linux-dev-e65fc01bf271cefa6269b7ab1badcf7cddae5d40.zip
arm64/sme: Standardise bitfield names for SVCR
The bitfield definitions for SVCR have a SYS_ added to the names of the constant which will be a problem for automatic generation. Remove the prefixes, no functional change. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220510161208.631259-5-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
-rw-r--r--arch/arm64/include/asm/fpsimd.h4
-rw-r--r--arch/arm64/include/asm/processor.h2
-rw-r--r--arch/arm64/include/asm/sysreg.h4
-rw-r--r--arch/arm64/kernel/fpsimd.c6
4 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
index 75caa2098d5b..aa11dbec0d70 100644
--- a/arch/arm64/include/asm/fpsimd.h
+++ b/arch/arm64/include/asm/fpsimd.h
@@ -67,12 +67,12 @@ extern void fpsimd_save_and_flush_cpu_state(void);
static inline bool thread_sm_enabled(struct thread_struct *thread)
{
- return system_supports_sme() && (thread->svcr & SYS_SVCR_EL0_SM_MASK);
+ return system_supports_sme() && (thread->svcr & SVCR_EL0_SM_MASK);
}
static inline bool thread_za_enabled(struct thread_struct *thread)
{
- return system_supports_sme() && (thread->svcr & SYS_SVCR_EL0_ZA_MASK);
+ return system_supports_sme() && (thread->svcr & SVCR_EL0_ZA_MASK);
}
/* Maximum VL that SVE/SME VL-agnostic software can transparently support */
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 1d2ca4870b84..69ce163d2fb2 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -192,7 +192,7 @@ static inline unsigned int thread_get_sme_vl(struct thread_struct *thread)
static inline unsigned int thread_get_cur_vl(struct thread_struct *thread)
{
- if (system_supports_sme() && (thread->svcr & SYS_SVCR_EL0_SM_MASK))
+ if (system_supports_sme() && (thread->svcr & SVCR_EL0_SM_MASK))
return thread_get_sme_vl(thread);
else
return thread_get_sve_vl(thread);
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index ab2d7cbc63fc..4459cd4a37f5 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -480,8 +480,8 @@
#define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1)
#define SYS_SVCR_EL0 sys_reg(3, 3, 4, 2, 2)
-#define SYS_SVCR_EL0_ZA_MASK 2
-#define SYS_SVCR_EL0_SM_MASK 1
+#define SVCR_EL0_ZA_MASK 2
+#define SVCR_EL0_SM_MASK 1
#define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0)
#define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1)
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index a568735b7c2e..a5f6d6d9f372 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -1918,7 +1918,7 @@ void __efi_fpsimd_begin(void)
svcr = read_sysreg_s(SYS_SVCR_EL0);
if (!system_supports_fa64())
- ffr = svcr & SYS_SVCR_EL0_SM_MASK;
+ ffr = svcr & SVCR_EL0_SM_MASK;
__this_cpu_write(efi_sm_state, ffr);
}
@@ -1929,7 +1929,7 @@ void __efi_fpsimd_begin(void)
if (system_supports_sme())
sysreg_clear_set_s(SYS_SVCR_EL0,
- SYS_SVCR_EL0_SM_MASK, 0);
+ SVCR_EL0_SM_MASK, 0);
} else {
fpsimd_save_state(this_cpu_ptr(&efi_fpsimd_state));
@@ -1964,7 +1964,7 @@ void __efi_fpsimd_end(void)
if (__this_cpu_read(efi_sm_state)) {
sysreg_clear_set_s(SYS_SVCR_EL0,
0,
- SYS_SVCR_EL0_SM_MASK);
+ SVCR_EL0_SM_MASK);
if (!system_supports_fa64())
ffr = efi_sm_state;
}