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| author | Glauber Costa <gcosta@redhat.com> | 2008-05-27 18:22:54 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 12:48:14 +0200 |
| commit | 9cf4f298e29abba25c16679fe7be70898223167e (patch) | |
| tree | 009af01f7c8001fb86fcfa25226d0c78248b83c9 /arch/x86/kernel/head_64.S | |
| parent | a7bf0bd5e6af7fe69342dabf2a3b721f0163469a (diff) | |
| download | op-kernel-dev-9cf4f298e29abba25c16679fe7be70898223167e.zip op-kernel-dev-9cf4f298e29abba25c16679fe7be70898223167e.tar.gz | |
x86: use stack_start in x86_64
call x86_64's init_rsp stack_start, just as i386 does.
Put a zeroed stack segment for consistency. With this,
we can eliminate one ugly ifdef in smpboot.c.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/head_64.S')
| -rw-r--r-- | arch/x86/kernel/head_64.S | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 263b9d1..918a271 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -191,7 +191,7 @@ ENTRY(secondary_startup_64) movq %rax, %cr0 /* Setup a boot time stack */ - movq init_rsp(%rip),%rsp + movq stack_start(%rip),%rsp /* zero EFLAGS after setting rsp */ pushq $0 @@ -252,8 +252,9 @@ ENTRY(secondary_startup_64) .quad x86_64_start_kernel __FINITDATA - ENTRY(init_rsp) + ENTRY(stack_start) .quad init_thread_union+THREAD_SIZE-8 + .word 0 bad_address: jmp bad_address |
