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authorLinus Torvalds <torvalds@linux-foundation.org>2023-02-21 08:54:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2023-02-21 08:54:41 -0800
commit3f0b0903fde584a7398f82fc00bf4f8138610b87 (patch)
tree43c1cbcda90d47f55ea2ee797b2644e157d2ab8a /arch/x86/kernel/cpu/common.c
parentefebca0ba9cfe2bae79dba7b2b09b129c41cfc8e (diff)
parentdac0da428f8dfb23666ab4ea54a7768c152b857a (diff)
Merge tag 'x86_vdso_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 vdso updates from Borislav Petkov: - Add getcpu support for the 32-bit version of the vDSO - Some smaller fixes * tag 'x86_vdso_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vdso: Fix -Wmissing-prototypes warnings x86/vdso: Fake 32bit VDSO build on 64bit compile for vgetcpu selftests: Emit a warning if getcpu() is missing on 32bit x86/vdso: Provide getcpu for x86-32. x86/cpu: Provide the full setup for getcpu() on x86-32 x86/vdso: Move VDSO image init to vdso2c generated code
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r--arch/x86/kernel/cpu/common.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 6a25e93f2a87..a539c8fbe334 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1958,7 +1958,6 @@ void __init identify_boot_cpu(void)
if (HAS_KERNEL_IBT && cpu_feature_enabled(X86_FEATURE_IBT))
pr_info("CET detected: Indirect Branch Tracking enabled\n");
#ifdef CONFIG_X86_32
- sysenter_setup();
enable_sep_cpu();
#endif
cpu_detect_tlb(&boot_cpu_data);
@@ -2130,7 +2129,6 @@ static void wait_for_master_cpu(int cpu)
#endif
}
-#ifdef CONFIG_X86_64
static inline void setup_getcpu(int cpu)
{
unsigned long cpudata = vdso_encode_cpunode(cpu, early_cpu_to_node(cpu));
@@ -2152,6 +2150,7 @@ static inline void setup_getcpu(int cpu)
write_gdt_entry(get_cpu_gdt_rw(cpu), GDT_ENTRY_CPUNODE, &d, DESCTYPE_S);
}
+#ifdef CONFIG_X86_64
static inline void ucode_cpu_init(int cpu)
{
if (cpu)
@@ -2171,8 +2170,6 @@ static inline void tss_setup_ist(struct tss_struct *tss)
#else /* CONFIG_X86_64 */
-static inline void setup_getcpu(int cpu) { }
-
static inline void ucode_cpu_init(int cpu)
{
show_ucode_info_early();