diff options
| author | Joerg Roedel <jroedel@suse.de> | 2020-09-07 15:16:08 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-09-09 11:33:20 +0200 |
| commit | 520d030852b4c9babfce9a79d8b5320b6b5545e6 (patch) | |
| tree | eba2437f1b2a41d21ede8ca9e81e1fb0f7ebd8a5 /arch/x86/include/asm/processor.h | |
| parent | 8940ac9ced8bc1c48c4e28b0784e3234c9d14469 (diff) | |
x86/smpboot: Load TSS and getcpu GDT entry before loading IDT
The IDT on 64-bit contains vectors which use paranoid_entry() and/or IST
stacks. To make these vectors work, the TSS and the getcpu GDT entry need
to be set up before the IDT is loaded.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-68-joro@8bytes.org
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 97143d87994c..615dd440bed8 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -696,6 +696,7 @@ extern void load_direct_gdt(int); extern void load_fixmap_gdt(int); extern void load_percpu_segment(int); extern void cpu_init(void); +extern void cpu_init_exception_handling(void); extern void cr4_init(void); static inline unsigned long get_debugctlmsr(void) |