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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-03 17:08:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-03 17:08:02 -0700
commit335ad94c218e96ef12f56d93eadc884731aa23b1 (patch)
tree38ea70a8ec7e1f4dab49cb2b00fcbddbeb804911 /arch/x86/xen
parent4ee48103151bbce7ae319b477109eba4216b20d2 (diff)
parentf69ca629d89d65737537e05308ac531f7bb07d5c (diff)
Merge tag 'x86-cpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Ingo Molar: - prepare for Intel's new SERIALIZE instruction - enable split-lock debugging on more CPUs - add more Intel CPU models - optimize stack canary initialization a bit - simplify the Spectre logic a bit * tag 'x86-cpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu: Refactor sync_core() for readability x86/cpu: Relocate sync_core() to sync_core.h x86/cpufeatures: Add enumeration for SERIALIZE instruction x86/split_lock: Enable the split lock feature on Sapphire Rapids and Alder Lake CPUs x86/cpu: Add Lakefield, Alder Lake and Rocket Lake models to the to Intel CPU family x86/stackprotector: Pre-initialize canary for secondary CPUs x86/speculation: Merge one test in spectre_v2_user_select_mitigation()
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/smp_pv.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 171aff1b11f2..9ea598dcc132 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -92,9 +92,7 @@ static void cpu_bringup(void)
asmlinkage __visible void cpu_bringup_and_idle(void)
{
cpu_bringup();
- boot_init_stack_canary();
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
- prevent_tail_call_optimization();
}
void xen_smp_intr_free_pv(unsigned int cpu)