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authorJakub Kicinski <kuba@kernel.org>2024-08-08 14:03:51 -0700
committerJakub Kicinski <kuba@kernel.org>2024-08-08 14:04:17 -0700
commite47fd9beb1cec00f43077d6b6238c8d30bd03ecf (patch)
tree504747e4a88042565ad7957260915242ff687b61 /arch/x86/kernel/cpu/aperfmperf.c
parent91d516d4de48532d967a77967834e00c8c53dfe6 (diff)
parentee9a43b7cfe2d8a3520335fea7d8ce71b8cabd9d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts or adjacent changes. Link: https://patch.msgid.link/20240808170148.3629934-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/aperfmperf.c')
-rw-r--r--arch/x86/kernel/cpu/aperfmperf.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c
index b3fa61d45352..0b69bfbf345d 100644
--- a/arch/x86/kernel/cpu/aperfmperf.c
+++ b/arch/x86/kernel/cpu/aperfmperf.c
@@ -306,7 +306,7 @@ static void freq_invariance_enable(void)
WARN_ON_ONCE(1);
return;
}
- static_branch_enable(&arch_scale_freq_key);
+ static_branch_enable_cpuslocked(&arch_scale_freq_key);
register_freq_invariance_syscore_ops();
pr_info("Estimated ratio of average max frequency by base frequency (times 1024): %llu\n", arch_max_freq_ratio);
}
@@ -323,8 +323,10 @@ static void __init bp_init_freq_invariance(void)
if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
return;
- if (intel_set_max_freq_ratio())
+ if (intel_set_max_freq_ratio()) {
+ guard(cpus_read_lock)();
freq_invariance_enable();
+ }
}
static void disable_freq_invariance_workfn(struct work_struct *work)