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| author | H. Peter Anvin <hpa@zytor.com> | 2012-06-16 21:47:37 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2012-06-17 10:51:01 -0700 |
| commit | 650513979a437c32d7a0a84f0ed952a55bbb5583 (patch) | |
| tree | b831bcbfdfce6abb31573e67669272f368626b5b /arch/x86/include/asm | |
| parent | cfaf025112d3856637ff34a767ef785ef5cf2ca9 (diff) | |
| download | linux-650513979a437c32d7a0a84f0ed952a55bbb5583.tar.gz linux-650513979a437c32d7a0a84f0ed952a55bbb5583.tar.bz2 linux-650513979a437c32d7a0a84f0ed952a55bbb5583.zip | |
x86-64, reboot: Allow reboot=bios and reboot-cpu override on x86-64
With the revamped realmode trampoline code, it is trivial to extend
support for reboot=bios to x86-64. Furthermore, while we are at it,
remove the restriction that only we can only override the reboot CPU
on 32 bits.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/n/tip-jopx7y6g6dbcx4tpal8q0jlr@git.kernel.org
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/emergency-restart.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/realmode.h | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/reboot.h | 4 |
3 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h index cc70c1c78ca4..75ce3f47d204 100644 --- a/arch/x86/include/asm/emergency-restart.h +++ b/arch/x86/include/asm/emergency-restart.h @@ -4,9 +4,7 @@ enum reboot_type { BOOT_TRIPLE = 't', BOOT_KBD = 'k', -#ifdef CONFIG_X86_32 BOOT_BIOS = 'b', -#endif BOOT_ACPI = 'a', BOOT_EFI = 'e', BOOT_CF9 = 'p', diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h index fce3f4ae5bd6..fe1ec5bcd846 100644 --- a/arch/x86/include/asm/realmode.h +++ b/arch/x86/include/asm/realmode.h @@ -21,8 +21,9 @@ struct real_mode_header { u32 wakeup_header; #endif /* APM/BIOS reboot */ -#ifdef CONFIG_X86_32 u32 machine_real_restart_asm; +#ifdef CONFIG_X86_64 + u32 machine_real_restart_seg; #endif }; diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h index 92f297069e87..a82c4f1b4d83 100644 --- a/arch/x86/include/asm/reboot.h +++ b/arch/x86/include/asm/reboot.h @@ -18,8 +18,8 @@ extern struct machine_ops machine_ops; void native_machine_crash_shutdown(struct pt_regs *regs); void native_machine_shutdown(void); -void machine_real_restart(unsigned int type); -/* These must match dispatch_table in reboot_32.S */ +void __noreturn machine_real_restart(unsigned int type); +/* These must match dispatch in arch/x86/realmore/rm/reboot.S */ #define MRR_BIOS 0 #define MRR_APM 1 |