[PATCH v5 39/51] x86/pvclock: Mark setup helpers and related various as __init/__ro_after_init
From: Sean Christopherson <seanjc@google.com>
Date: 2026-07-01 19:33:15
Also in:
kvm, linux-coco, linux-doc, linux-hyperv, lkml, xen-devel
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Now that Xen PV clock and kvmclock explicitly do setup only during init, tag the common PV clock flags/vsyscall variables and their mutators with __init. Reviewed-by: David Woodhouse <redacted> Signed-off-by: Sean Christopherson <seanjc@google.com> --- arch/x86/kernel/pvclock.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index b3f81379c2fc..a51adce67f92 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c@@ -16,10 +16,10 @@ #include <asm/pvclock.h> #include <asm/vgtod.h> -static u8 valid_flags __read_mostly = 0; -static struct pvclock_vsyscall_time_info *pvti_cpu0_va __read_mostly; +static u8 valid_flags __ro_after_init = 0; +static struct pvclock_vsyscall_time_info *pvti_cpu0_va __ro_after_init; -void pvclock_set_flags(u8 flags) +void __init pvclock_set_flags(u8 flags) { valid_flags = flags; }
@@ -153,7 +153,7 @@ void pvclock_read_wallclock(struct pvclock_wall_clock *wall_clock, set_normalized_timespec64(ts, now.tv_sec, now.tv_nsec); } -void pvclock_set_pvti_cpu0_va(struct pvclock_vsyscall_time_info *pvti) +void __init pvclock_set_pvti_cpu0_va(struct pvclock_vsyscall_time_info *pvti) { WARN_ON(vclock_was_used(VDSO_CLOCKMODE_PVCLOCK)); pvti_cpu0_va = pvti;
--
2.55.0.rc0.799.gd6f94ed593-goog