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authorIngo Molnar <mingo@kernel.org>2017-04-11 08:56:05 +0200
committerIngo Molnar <mingo@kernel.org>2017-04-11 08:56:05 +0200
commite5185a76a23b2d56fb2327ad8bd58fb1bcaa52b1 (patch)
tree07a09b5e19a4d55c4a097b280eb64bd159ca0eb9 /arch/x86/kernel/head_64.S
parentRevert "x86/mm/numa: Remove numa_nodemask_from_meminfo()" (diff)
parentMerge branch 'WIP.x86/boot' into x86/boot, to pick up ready branch (diff)
downloadlinux-e5185a76a23b2d56fb2327ad8bd58fb1bcaa52b1.tar.xz
linux-e5185a76a23b2d56fb2327ad8bd58fb1bcaa52b1.zip
Merge branch 'x86/boot' into x86/mm, to avoid conflict
There's a conflict between ongoing level-5 paging support and the E820 rewrite. Since the E820 rewrite is essentially ready, merge it into x86/mm to reduce tree conflicts. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/head_64.S')
-rw-r--r--arch/x86/kernel/head_64.S10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index b467b14b03eb..ac9d327d2e42 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -269,10 +269,8 @@ ENTRY(secondary_startup_64)
/* rsi is pointer to real mode structure with interesting info.
pass it to C */
movq %rsi, %rdi
- jmp start_cpu
-ENDPROC(secondary_startup_64)
-ENTRY(start_cpu)
+.Ljump_to_C_code:
/*
* Jump to run C code and to be on a real kernel address.
* Since we are running on identity-mapped space we have to jump
@@ -305,7 +303,7 @@ ENTRY(start_cpu)
pushq %rax # target address in negative space
lretq
.Lafter_lret:
-ENDPROC(start_cpu)
+ENDPROC(secondary_startup_64)
#include "verify_cpu.S"
@@ -313,11 +311,11 @@ ENDPROC(start_cpu)
/*
* Boot CPU0 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 start_cpu().
+ * start_secondary() via .Ljump_to_C_code.
*/
ENTRY(start_cpu0)
movq initial_stack(%rip), %rsp
- jmp start_cpu
+ jmp .Ljump_to_C_code
ENDPROC(start_cpu0)
#endif