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authorGeert Uytterhoeven <geert+renesas@glider.be>2020-05-12 16:52:55 +0200
committerWill Deacon <will@kernel.org>2020-05-12 19:37:13 +0200
commit357dd8a2aff25270971e11a37ddec807f37488e9 (patch)
treece882dfa7cb6ad1d186990cf0892790e64c55d04 /arch/arm64/kernel/cpu_errata.c
parentarm64: Sort vendor-specific errata (diff)
downloadlinux-357dd8a2aff25270971e11a37ddec807f37488e9.tar.xz
linux-357dd8a2aff25270971e11a37ddec807f37488e9.zip
arm64: cpufeature: Add "or" to mitigations for multiple errata
Several actions are not mitigations for a single erratum, but for multiple errata. However, printing a line like CPU features: detected: ARM errata 1165522, 1530923 may give the false impression that all three listed errata have been detected. This can confuse the user, who may think his Cortex-A55 is suddenly affected by a Cortex-A76 erratum. Add "or" to all descriptions for mitigations for multiple errata, to make it clear that only one or more of the errata printed are applicable, and not necessarily all of them. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20200512145255.5520-1-geert+renesas@glider.be Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/cpu_errata.c')
-rw-r--r--arch/arm64/kernel/cpu_errata.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index df56d2295d16..c8cb98a4fa6d 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -774,7 +774,7 @@ static const struct midr_range erratum_speculative_at_vhe_list[] = {
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
- .desc = "ARM errata 826319, 827319, 824069, 819472",
+ .desc = "ARM errata 826319, 827319, 824069, or 819472",
.capability = ARM64_WORKAROUND_CLEAN_CACHE,
ERRATA_MIDR_RANGE_LIST(workaround_clean_cache),
.cpu_enable = cpu_enable_cache_maint_trap,
@@ -856,7 +856,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
#endif
#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
{
- .desc = "Qualcomm erratum 1009, ARM erratum 1286807",
+ .desc = "Qualcomm erratum 1009, or ARM erratum 1286807",
.capability = ARM64_WORKAROUND_REPEAT_TLBI,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
@@ -899,7 +899,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
#endif
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT_VHE
{
- .desc = "ARM errata 1165522, 1530923",
+ .desc = "ARM errata 1165522 or 1530923",
.capability = ARM64_WORKAROUND_SPECULATIVE_AT_VHE,
ERRATA_MIDR_RANGE_LIST(erratum_speculative_at_vhe_list),
},