diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-03 09:37:31 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-03 09:37:31 -0300 |
commit | b1aa3db2c13ec0c63a73bd8fc5dfbfb112e3ff56 (patch) | |
tree | 92ce9158daae144032cc6297ab8fdbad12664247 /drivers/clocksource/arm_arch_timer.c | |
parent | 7c43b0c1d499c790cdb5623d27fdcef544ddb566 (diff) | |
parent | bcf876870b95592b52519ed4aafcf9d95999bc9c (diff) |
Merge remote-tracking branch 'torvalds/master' into perf/core
Minor conflict in tools/perf/arch/arm/util/auxtrace.c as one fix there
was cherry-picked for the last perf/urgent pull req to Linus, so was
already there.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/clocksource/arm_arch_timer.c')
-rw-r--r-- | drivers/clocksource/arm_arch_timer.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index ecf7b7db2d05..6c3e84180146 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -480,6 +480,14 @@ static const struct arch_timer_erratum_workaround ool_workarounds[] = { .set_next_event_virt = erratum_set_next_event_tval_virt, }, #endif +#ifdef CONFIG_ARM64_ERRATUM_1418040 + { + .match_type = ate_match_local_cap_id, + .id = (void *)ARM64_WORKAROUND_1418040, + .desc = "ARM erratum 1418040", + .disable_compat_vdso = true, + }, +#endif }; typedef bool (*ate_match_fn_t)(const struct arch_timer_erratum_workaround *, @@ -566,6 +574,9 @@ void arch_timer_enable_workaround(const struct arch_timer_erratum_workaround *wa if (wa->read_cntvct_el0) { clocksource_counter.vdso_clock_mode = VDSO_CLOCKMODE_NONE; vdso_default = VDSO_CLOCKMODE_NONE; + } else if (wa->disable_compat_vdso && vdso_default != VDSO_CLOCKMODE_NONE) { + vdso_default = VDSO_CLOCKMODE_ARCHTIMER_NOCOMPAT; + clocksource_counter.vdso_clock_mode = vdso_default; } } |