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| author | Takashi Iwai <tiwai@suse.de> | 2017-12-27 09:02:02 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-12-27 09:02:02 +0100 |
| commit | 7ad3423ebb02f340671f70a916bdc8dbec7573ee (patch) | |
| tree | b9168d363c24f2af2626e63011ec1f6c81e81d09 /arch/x86/include/asm/segment.h | |
| parent | 56a23ee52611ca76421f3d7cac100e1616716dae (diff) | |
| parent | 44be77c590f381bc629815ac789b8b15ecc4ddcf (diff) | |
| download | talos-op-linux-7ad3423ebb02f340671f70a916bdc8dbec7573ee.tar.gz talos-op-linux-7ad3423ebb02f340671f70a916bdc8dbec7573ee.zip | |
Merge branch 'for-linus' into for-next
Back-merge the upstream branch for applying further cleanup patches
for HD-Audio.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/x86/include/asm/segment.h')
| -rw-r--r-- | arch/x86/include/asm/segment.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h index b20f9d623f9c..8f09012b92e7 100644 --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -236,11 +236,23 @@ */ #define EARLY_IDT_HANDLER_SIZE 9 +/* + * xen_early_idt_handler_array is for Xen pv guests: for each entry in + * early_idt_handler_array it contains a prequel in the form of + * pop %rcx; pop %r11; jmp early_idt_handler_array[i]; summing up to + * max 8 bytes. + */ +#define XEN_EARLY_IDT_HANDLER_SIZE 8 + #ifndef __ASSEMBLY__ extern const char early_idt_handler_array[NUM_EXCEPTION_VECTORS][EARLY_IDT_HANDLER_SIZE]; extern void early_ignore_irq(void); +#if defined(CONFIG_X86_64) && defined(CONFIG_XEN_PV) +extern const char xen_early_idt_handler_array[NUM_EXCEPTION_VECTORS][XEN_EARLY_IDT_HANDLER_SIZE]; +#endif + /* * Load a segment. Fall back on loading the zero segment if something goes * wrong. This variant assumes that loading zero fully clears the segment. |
