diff mbox series

[v5,71/75] x86/head/64: Rename start_cpu0

Message ID 20200724160336.5435-72-joro@8bytes.org (mailing list archive)
State New, archived
Headers show
Series x86: SEV-ES Guest Support | expand

Commit Message

Joerg Roedel July 24, 2020, 4:03 p.m. UTC 
From: Joerg Roedel <jroedel@suse.de>

For SEV-ES this entry point will be used for restarting APs after they
have been offlined. Remove the '0' from the name to reflect that.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 arch/x86/include/asm/cpu.h | 2 +-
 arch/x86/kernel/head_32.S  | 4 ++--
 arch/x86/kernel/head_64.S  | 6 +++---
 arch/x86/kernel/smpboot.c  | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

Comments

Kees Cook July 24, 2020, 5:56 p.m. UTC | #1 
On Fri, Jul 24, 2020 at 06:03:32PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
> 
> For SEV-ES this entry point will be used for restarting APs after they
> have been offlined. Remove the '0' from the name to reflect that.
> 
> Signed-off-by: Joerg Roedel <jroedel@suse.de>

Reviewed-by: Kees Cook <keescook@chromium.org>
diff mbox series

Patch

diff --git a/arch/x86/include/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_32.S
@@ -174,12 +174,12 @@  SYM_CODE_END(startup_32)
  * up already except stack. We just set up stack here. Then call
  * start_secondary().
  */
-SYM_FUNC_START(start_cpu0)
+SYM_FUNC_START(start_cpu)
 	movl initial_stack, %ecx
 	movl %ecx, %esp
 	call *(initial_code)
 1:	jmp 1b
-SYM_FUNC_END(start_cpu0)
+SYM_FUNC_END(start_cpu)
 #endif
 
 /*
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index a708107688a2..352311c5d8d1 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -309,15 +309,15 @@  SYM_CODE_END(secondary_startup_64)
 
 #ifdef CONFIG_HOTPLUG_CPU
 /*
- * Boot CPU0 entry point. It's called from play_dead(). Everything has been set
+ * CPU entry point. It's called from play_dead(). Everything has been set
  * up already except stack. We just set up stack here. Then call
  * start_secondary() via .Ljump_to_C_code.
  */
-SYM_CODE_START(start_cpu0)
+SYM_CODE_START(start_cpu)
 	UNWIND_HINT_EMPTY
 	movq	initial_stack(%rip), %rsp
 	jmp	.Ljump_to_C_code
-SYM_CODE_END(start_cpu0)
+SYM_CODE_END(start_cpu)
 #endif
 
 	/* Both SMP bootup and ACPI suspend change these variables */
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index fb55d28332e2..c6311c55b84c 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1726,7 +1726,7 @@  static inline void mwait_play_dead(void)
 		 * If NMI wants to wake up CPU0, start CPU0.
 		 */
 		if (wakeup_cpu0())
-			start_cpu0();
+			start_cpu();
 	}
 }
 
@@ -1741,7 +1741,7 @@  void hlt_play_dead(void)
 		 * If NMI wants to wake up CPU0, start CPU0.
 		 */
 		if (wakeup_cpu0())
-			start_cpu0();
+			start_cpu();
 	}
 }