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| author | Kevin Hilman <khilman@linaro.org> | 2015-08-14 10:39:12 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-08-14 10:39:12 -0700 |
| commit | 373cea9e2c9c6495a80efdae55cf2114f384a75b (patch) | |
| tree | 7a8c31aff389cd60937edf7d311c2d93d42a3c7d /arch/x86/include/asm/segment.h | |
| parent | ea64087da6e7655f5acac074a70496b50b310a29 (diff) | |
| parent | 8a7eb06341c73248d152a2a12e4f00f472295de7 (diff) | |
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-rtlsk-v3.14-15.08-rt
Diffstat (limited to 'arch/x86/include/asm/segment.h')
| -rw-r--r-- | arch/x86/include/asm/segment.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h index 6f1c3a8a33ab..bcc9a2f46c62 100644 --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -212,10 +212,21 @@ #define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8) #ifdef __KERNEL__ + +/* + * early_idt_handler_array is an array of entry points referenced in the + * early IDT. For simplicity, it's a real array with one entry point + * every nine bytes. That leaves room for an optional 'push $0' if the + * vector has no error code (two bytes), a 'push $vector_number' (two + * bytes), and a jump to the common entry code (up to five bytes). + */ +#define EARLY_IDT_HANDLER_SIZE 9 + #ifndef __ASSEMBLY__ -extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][2+2+5]; + +extern const char early_idt_handler_array[NUM_EXCEPTION_VECTORS][EARLY_IDT_HANDLER_SIZE]; #ifdef CONFIG_TRACING -#define trace_early_idt_handlers early_idt_handlers +# define trace_early_idt_handler_array early_idt_handler_array #endif /* |