search for: start_cpu

.../asm/cpu.h b/arch/x86/include/asm/cpu.h index da78ccbd493b..1536b607971f 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -29,7 +29,7 @@ struct x86_cpu { #ifdef CONFIG_HOTPLUG_CPU extern int arch_register_cpu(int num); extern void arch_unregister_cpu(int); -extern void start_cpu0(void); +extern void start_cpu(void); #ifdef CONFIG_DEBUG_HOTPLUG_CPU0 extern int _debug_hotplug_cpu(int cpu, int action); #endif diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index f66a6b90f954..aad62c677486 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_...

.../asm/cpu.h b/arch/x86/include/asm/cpu.h index da78ccbd493b..1536b607971f 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -29,7 +29,7 @@ struct x86_cpu { #ifdef CONFIG_HOTPLUG_CPU extern int arch_register_cpu(int num); extern void arch_unregister_cpu(int); -extern void start_cpu0(void); +extern void start_cpu(void); #ifdef CONFIG_DEBUG_HOTPLUG_CPU0 extern int _debug_hotplug_cpu(int cpu, int action); #endif diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 7ed84c282233..f63e1b7f4141 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_...

...nfo_2 != 0) + break; + } + + sev_es_put_ghcb(&state); +} + +static void sev_es_play_dead(void) +{ + play_dead_common(); + + /* IRQs now disabled */ + + sev_es_ap_hlt_loop(); + + /* + * If we get here, the VCPU was woken up again. Jump to CPU + * startup code to get it back online. + */ + + start_cpu(); +} +#else /* CONFIG_HOTPLUG_CPU */ +#define sev_es_play_dead native_play_dead +#endif /* CONFIG_HOTPLUG_CPU */ + +#ifdef CONFIG_SMP +static void __init sev_es_setup_play_dead(void) +{ + smp_ops.play_dead = sev_es_play_dead; +} +#else +static inline void sev_es_setup_play_dead(void) { } +#endif...

...;ffffffffae91adae>] default_idle+0x1e/0xc0 [ 728.995869] [<ffffffffae2366e3>] arch_cpu_idle+0x23/0xb0 [ 728.996568] [<ffffffffae2f5dea>] cpu_startup_entry+0x14a/0x1e0 [ 728.997330] [<ffffffffae2571b7>] start_secondary+0x1f7/0x270 [ 728.998077] [<ffffffffae2000d5>] start_cpu+0x5/0x14 [ 728.998721] Code: 89 45 c8 e8 3f fe ff ff 44 8b 4d d0 41 01 c7 44 29 cb 74 41 44 8b 55 c4 4c 8b 45 c8 45 01 cd 4d 8b 36 4d 85 f6 75 90 85 db 74 2a <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 48 c7 c7 00 00 00 80 48 2b [ 729.003191] RIP [<ffffffffae7df554>] __skb_to_sgvec+0x1e4/...

...x84/0x90 Apr 02 14:20:59 helium kernel: start_kernel+0x44d/0x46e Apr 02 14:20:59 helium kernel: ? early_idt_handler_array+0x120/0x120 Apr 02 14:20:59 helium kernel: x86_64_start_reservations+0x2a/0x2c Apr 02 14:20:59 helium kernel: x86_64_start_kernel+0x14c/0x16f Apr 02 14:20:59 helium kernel: start_cpu+0x14/0x14 Apr 02 14:20:59 helium kernel: ---[ end trace ae57fe03dbfe51a6 ]--- Apr 02 14:23:03 helium kernel: ------------[ cut here ]------------ Apr 02 14:23:03 helium kernel: WARNING: CPU: 0 PID: 6 at net/netfilter/nft_meta.c:163 nft_meta_get_eval+0x40e/0x450 [nft_meta] Apr 02 14:23:03 helium ke...

...cpuidle.c:266) ? rcu_idle_enter+0x7e/0xa0 (kernel/rcu/tree.c:749) do_idle+0x22c/0x2e0 (kernel/sched/idle.c:209) cpu_startup_entry+0x1d/0x20 (kernel/sched/idle.c:326) start_secondary+0x298/0x360 (arch/x86/kernel/smpboot.c:224) ? set_cpu_sibling_map+0x1a40/0x1a40 (arch/x86/kernel/smpboot.c:525) start_cpu+0x14/0x14 (arch/x86/kernel/head_64.S:301) Object at ffff880739ecbf00, in cache kmalloc-1024 size: 1024 Allocated: PID = 535 save_stack_trace+0x1b/0x20 (arch/x86/kernel/stacktrace.c:56) save_stack+0x46/0xd0 (mm/kasan/kasan.c:493) kasan_kmalloc+0xad/0xe0 (mm/kasan/kasan.c:585) kmem_cache_alloc_tr...

..._env_string+0x5c/0x5c [ 110.721000] [<ffffffffae56b120>] ? early_idt_handler_array+0x120/0x120 [ 110.721000] [<ffffffffae56b72f>] x86_64_start_reservations+0x24/0x26 [ 110.721000] [<ffffffffae56b885>] x86_64_start_kernel+0x154/0x177 [ 110.721000] [<ffffffffad8000d5>] start_cpu+0x5/0x14 [ 110.721000] Code: 89 e5 41 57 41 56 49 89 f6 41 55 41 89 fd 41 54 49 89 d4 53 48 83 ec 10 89 7d d4 ff 14 25 00 07 43 ae f6 c4 02 0f 85 de 02 00 00 <41> f6 86 02 01 00 00 01 0f 85 78 02 00 00 49 c7 c7 08 5a 01 00 [ 110.721000] RIP [<ffffffffad8b3ef2>] __queue_work+0x32/0x3e...

...s: Handle RDTSCP Events x86/sev-es: Handle #AC Events x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/cpufeature: Add SEV_ES_GUEST CPU Feature x86/sev-es: Add NMI state tracking Tom Lendacky (18): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions x86/sev-es: Add CPUID...

...s: Handle RDTSCP Events x86/sev-es: Handle #AC Events x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/cpufeature: Add SEV_ES_GUEST CPU Feature x86/sev-es: Add NMI state tracking Tom Lendacky (18): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions x86/sev-es: Add CPUID...

...dle #AC Events x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/smpboot: Setup TSS for starting AP x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/sev-es: Handle NMI State Martin Radev (1): x86/sev-es: Check required CPU features for SEV-ES Tom Lendacky (19): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions x8...

...vents x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/head/64: Setup TSS early for secondary CPUs x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/sev-es: Handle NMI State Martin Radev (1): x86/sev-es: Check required CPU features for SEV-ES Tom Lendacky (19): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions x8...

...vents x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/head/64: Setup TSS early for secondary CPUs x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/sev-es: Handle NMI State Martin Radev (1): x86/sev-es: Check required CPU features for SEV-ES Tom Lendacky (19): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions x8...

...dle #AC Events x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/smpboot: Setup TSS for starting AP x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/sev-es: Handle NMI State Martin Radev (1): x86/sev-es: Check required CPU features for SEV-ES Tom Lendacky (19): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions x8...

...vents x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/head/64: Setup TSS early for secondary CPUs x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/sev-es: Handle NMI State Mike Stunes (1): x86/sev-es: Cache CPUID results for improved performance Tom Lendacky (19): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions...

...vents x86/sev-es: Handle #DB Events x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES x86/realmode: Add SEV-ES specific trampoline entry point x86/head/64: Setup TSS early for secondary CPUs x86/head/64: Don't call verify_cpu() on starting APs x86/head/64: Rename start_cpu0 x86/sev-es: Support CPU offline/online x86/sev-es: Handle NMI State Mike Stunes (1): x86/sev-es: Cache CPUID results for improved performance Tom Lendacky (19): KVM: SVM: Add GHCB definitions x86/cpufeatures: Add SEV-ES CPU feature x86/sev-es: Add support for handling IOIO exceptions...