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authorIngo Molnar <mingo@kernel.org>2026-07-08 10:28:05 +0200
committerIngo Molnar <mingo@kernel.org>2026-07-08 10:28:05 +0200
commitc364506b98ef947174c1e8554c6861383712e141 (patch)
tree1c3d5d03f9f216427e78cd7843931dae14697255 /arch/x86/kernel
parentea4cd413acda6e64b64cd55afc5f14670d4f8a07 (diff)
parent3eaa50e1e255ec261c757b9eea811ef3bac10d1e (diff)
downloadlinux-next-c364506b98ef947174c1e8554c6861383712e141.tar.gz
linux-next-c364506b98ef947174c1e8554c6861383712e141.zip
Merge branch 'x86/cpu' into perf/merge, to resolve conflict
Conflicts: arch/x86/events/intel/lbr.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/apic/apic_numachip.c2
-rw-r--r--arch/x86/kernel/cpu/bugs.c10
-rw-r--r--arch/x86/kernel/cpu/cacheinfo.c2
-rw-r--r--arch/x86/kernel/fpu/core.c2
-rw-r--r--arch/x86/kernel/fpu/signal.c2
-rw-r--r--arch/x86/kernel/kprobes/opt.c2
-rw-r--r--arch/x86/kernel/ldt.c2
-rw-r--r--arch/x86/kernel/process.c10
-rw-r--r--arch/x86/kernel/process_64.c6
-rw-r--r--arch/x86/kernel/signal_32.c2
-rw-r--r--arch/x86/kernel/time.c2
-rw-r--r--arch/x86/kernel/vmlinux.lds.S2
12 files changed, 22 insertions, 22 deletions
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index 5c5be2d58242..a60c8960bbfd 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -31,7 +31,7 @@ static u32 numachip1_get_apic_id(u32 x)
unsigned long value;
unsigned int id = (x >> 24) & 0xff;
- if (static_cpu_has(X86_FEATURE_NODEID_MSR)) {
+ if (cpu_feature_enabled(X86_FEATURE_NODEID_MSR)) {
rdmsrq(MSR_FAM10H_NODE_ID, value);
id |= (value << 2) & 0xff00;
}
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index d9af230c0512..ddf0db5326fa 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -192,8 +192,8 @@ x86_virt_spec_ctrl(u64 guest_virt_spec_ctrl, bool setguest)
* If SSBD is not handled in MSR_SPEC_CTRL on AMD, update
* MSR_AMD64_L2_CFG or MSR_VIRT_SPEC_CTRL if supported.
*/
- if (!static_cpu_has(X86_FEATURE_LS_CFG_SSBD) &&
- !static_cpu_has(X86_FEATURE_VIRT_SSBD))
+ if (!cpu_feature_enabled(X86_FEATURE_LS_CFG_SSBD) &&
+ !cpu_feature_enabled(X86_FEATURE_VIRT_SSBD))
return;
/*
@@ -201,7 +201,7 @@ x86_virt_spec_ctrl(u64 guest_virt_spec_ctrl, bool setguest)
* virtual MSR value. If its not permanently enabled, evaluate
* current's TIF_SSBD thread flag.
*/
- if (static_cpu_has(X86_FEATURE_SPEC_STORE_BYPASS_DISABLE))
+ if (cpu_feature_enabled(X86_FEATURE_SPEC_STORE_BYPASS_DISABLE))
hostval = SPEC_CTRL_SSBD;
else
hostval = ssbd_tif_to_spec_ctrl(ti->flags);
@@ -2499,8 +2499,8 @@ static void __init ssb_apply_mitigation(void)
* Intel uses the SPEC CTRL MSR Bit(2) for this, while AMD may
* use a completely different MSR and bit dependent on family.
*/
- if (!static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) &&
- !static_cpu_has(X86_FEATURE_AMD_SSBD)) {
+ if (!cpu_feature_enabled(X86_FEATURE_SPEC_CTRL_SSBD) &&
+ !cpu_feature_enabled(X86_FEATURE_AMD_SSBD)) {
x86_amd_ssb_disable();
} else {
x86_spec_ctrl_base |= SPEC_CTRL_SSBD;
diff --git a/arch/x86/kernel/cpu/cacheinfo.c b/arch/x86/kernel/cpu/cacheinfo.c
index 51a95b07831f..13ed16527905 100644
--- a/arch/x86/kernel/cpu/cacheinfo.c
+++ b/arch/x86/kernel/cpu/cacheinfo.c
@@ -654,7 +654,7 @@ static DEFINE_RAW_SPINLOCK(cache_disable_lock);
*/
static void maybe_flush_caches(void)
{
- if (!static_cpu_has(X86_FEATURE_SELFSNOOP))
+ if (!cpu_feature_enabled(X86_FEATURE_SELFSNOOP))
wbinvd();
}
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 584fb9913be4..3f31fb06c9eb 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -874,7 +874,7 @@ void fpu_flush_thread(void)
*/
void switch_fpu_return(void)
{
- if (!static_cpu_has(X86_FEATURE_FPU))
+ if (!cpu_feature_enabled(X86_FEATURE_FPU))
return;
fpregs_restore_userregs();
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
index 20b638c507ca..33e1284bf3e4 100644
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -187,7 +187,7 @@ bool copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size, u
ia32_fxstate &= (IS_ENABLED(CONFIG_X86_32) ||
IS_ENABLED(CONFIG_IA32_EMULATION));
- if (!static_cpu_has(X86_FEATURE_FPU)) {
+ if (!cpu_feature_enabled(X86_FEATURE_FPU)) {
struct user_i387_ia32_struct fp;
fpregs_soft_get(current, NULL, (struct membuf){.p = &fp,
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
index 6f826a00eca2..c994b0745983 100644
--- a/arch/x86/kernel/kprobes/opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -77,7 +77,7 @@ found:
static void synthesize_clac(kprobe_opcode_t *addr)
{
/*
- * Can't be static_cpu_has() due to how objtool treats this feature bit.
+ * Can't be cpu_feature_enabled() due to how objtool treats this feature bit.
* This isn't a fast path anyway.
*/
if (!boot_cpu_has(X86_FEATURE_SMAP))
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 40c5bf97dd5c..4fa7a86adece 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -61,7 +61,7 @@ void load_mm_ldt(struct mm_struct *mm)
*/
if (unlikely(ldt)) {
- if (static_cpu_has(X86_FEATURE_PTI)) {
+ if (cpu_feature_enabled(X86_FEATURE_PTI)) {
if (WARN_ON_ONCE((unsigned long)ldt->slot > 1)) {
/*
* Whoops -- either the new LDT isn't mapped
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 85435044e33c..346c438ac880 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -579,7 +579,7 @@ static __always_inline void amd_set_core_ssb_state(unsigned long tifn)
struct ssb_state *st = this_cpu_ptr(&ssb_state);
u64 msr = x86_amd_ls_cfg_base;
- if (!static_cpu_has(X86_FEATURE_ZEN)) {
+ if (!cpu_feature_enabled(X86_FEATURE_ZEN)) {
msr |= ssbd_tif_to_amd_ls_cfg(tifn);
wrmsrq(MSR_AMD64_LS_CFG, msr);
return;
@@ -646,14 +646,14 @@ static __always_inline void __speculation_ctrl_update(unsigned long tifp,
lockdep_assert_irqs_disabled();
/* Handle change of TIF_SSBD depending on the mitigation method. */
- if (static_cpu_has(X86_FEATURE_VIRT_SSBD)) {
+ if (cpu_feature_enabled(X86_FEATURE_VIRT_SSBD)) {
if (tif_diff & _TIF_SSBD)
amd_set_ssb_virt_state(tifn);
- } else if (static_cpu_has(X86_FEATURE_LS_CFG_SSBD)) {
+ } else if (cpu_feature_enabled(X86_FEATURE_LS_CFG_SSBD)) {
if (tif_diff & _TIF_SSBD)
amd_set_core_ssb_state(tifn);
- } else if (static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) ||
- static_cpu_has(X86_FEATURE_AMD_SSBD)) {
+ } else if (cpu_feature_enabled(X86_FEATURE_SPEC_CTRL_SSBD) ||
+ cpu_feature_enabled(X86_FEATURE_AMD_SSBD)) {
updmsr |= !!(tif_diff & _TIF_SSBD);
msr |= ssbd_tif_to_spec_ctrl(tifn);
}
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index d44afbe005bb..2bce7b3f97ed 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -277,7 +277,7 @@ static __always_inline void save_fsgs(struct task_struct *task)
{
savesegment(fs, task->thread.fsindex);
savesegment(gs, task->thread.gsindex);
- if (static_cpu_has(X86_FEATURE_FSGSBASE)) {
+ if (cpu_feature_enabled(X86_FEATURE_FSGSBASE)) {
/*
* If FSGSBASE is enabled, we can't make any useful guesses
* about the base, and user code expects us to save the current
@@ -391,7 +391,7 @@ static __always_inline void x86_pkru_load(struct thread_struct *prev,
static __always_inline void x86_fsgsbase_load(struct thread_struct *prev,
struct thread_struct *next)
{
- if (static_cpu_has(X86_FEATURE_FSGSBASE)) {
+ if (cpu_feature_enabled(X86_FEATURE_FSGSBASE)) {
/* Update the FS and GS selectors if they could have changed. */
if (unlikely(prev->fsindex || next->fsindex))
loadseg(FS, next->fsindex);
@@ -533,7 +533,7 @@ start_thread_common(struct pt_regs *regs, unsigned long new_ip,
{
WARN_ON_ONCE(regs != current_pt_regs());
- if (static_cpu_has(X86_BUG_NULL_SEG)) {
+ if (cpu_feature_enabled(X86_BUG_NULL_SEG)) {
/* Loading zero below won't clear the base. */
loadsegment(fs, __USER_DS);
load_gs_index(__USER_DS);
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index e55cf19e68fe..8e87ab586437 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -357,7 +357,7 @@ int ia32_setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
unsafe_put_user(ptr_to_compat(&frame->uc), &frame->puc, Efault);
/* Create the ucontext. */
- if (static_cpu_has(X86_FEATURE_XSAVE))
+ if (cpu_feature_enabled(X86_FEATURE_XSAVE))
unsafe_put_user(UC_FP_XSTATE, &frame->uc.uc_flags, Efault);
else
unsafe_put_user(0, &frame->uc.uc_flags, Efault);
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index 52e1f3f0b361..4061430ac74c 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -82,7 +82,7 @@ static __init void x86_late_time_init(void)
x86_init.irqs.intr_mode_init();
tsc_init();
- if (static_cpu_has(X86_FEATURE_WAITPKG))
+ if (cpu_feature_enabled(X86_FEATURE_WAITPKG))
use_tpause_delay();
}
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 74e336d7f9dd..81e113eb7c7c 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -221,7 +221,7 @@ SECTIONS
* references to such code must be patched out by alternatives, normally
* by using X86_FEATURE_ALWAYS CPU feature bit.
*
- * See static_cpu_has() for an example.
+ * See cpu_feature_enabled() for an example.
*/
.altinstr_aux : AT(ADDR(.altinstr_aux) - LOAD_OFFSET) {
*(.altinstr_aux)