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| author | David S. Miller <davem@davemloft.net> | 2017-12-09 22:09:55 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-09 22:09:55 -0500 |
| commit | 51e18a453f5f59a40c721d4aeab082b4e2e9fac6 (patch) | |
| tree | 540d37e6f7a83466677ab6095fcdd2d6f72583c4 /arch/x86/include/asm/segment.h | |
| parent | 5e54b3c1202765ae62de24a160f1eaf6b0ebf9d4 (diff) | |
| parent | f335195adf043168ee69d78ea72ac3e30f0c57ce (diff) | |
| download | linux-51e18a453f5f59a40c721d4aeab082b4e2e9fac6.tar.gz linux-51e18a453f5f59a40c721d4aeab082b4e2e9fac6.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflict was two parallel additions of include files to sch_generic.c,
no biggie.
Signed-off-by: David S. Miller <davem@davemloft.net>
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. |