Define the test ASI type which can be used for testing or experimenting ASI.
Signed-off-by: Alexandre Chartre <[email protected]> --- arch/x86/include/asm/asi.h | 2 ++ arch/x86/mm/asi.c | 1 + drivers/staging/Makefile | 1 + 3 files changed, 4 insertions(+) diff --git a/arch/x86/include/asm/asi.h b/arch/x86/include/asm/asi.h index eafed750e07f..de4f790c630b 100644 --- a/arch/x86/include/asm/asi.h +++ b/arch/x86/include/asm/asi.h @@ -66,6 +66,7 @@ struct asi_tlb_state { #ifdef CONFIG_PAGE_TABLE_ISOLATION #define ASI_PCID_PREFIX_USER 0x80 /* user ASI */ #endif +#define ASI_PCID_PREFIX_TEST 0xff /* test ASI */ struct asi_type { int pcid_prefix; /* PCID prefix */ @@ -156,6 +157,7 @@ extern int asi_init_dpt(struct dpt *dpt); #ifdef CONFIG_PAGE_TABLE_ISOLATION DECLARE_ASI_TYPE(user); #endif +DECLARE_ASI_TYPE(test); static inline void asi_set_log_policy(struct asi *asi, int policy) { diff --git a/arch/x86/mm/asi.c b/arch/x86/mm/asi.c index 8b670ed13729..e0b0d70415d7 100644 --- a/arch/x86/mm/asi.c +++ b/arch/x86/mm/asi.c @@ -17,6 +17,7 @@ #ifdef CONFIG_PAGE_TABLE_ISOLATION DEFINE_ASI_TYPE(user, ASI_PCID_PREFIX_USER, false); #endif +DEFINE_ASI_TYPE(test, ASI_PCID_PREFIX_TEST, true); static void asi_log_fault(struct asi *asi, struct pt_regs *regs, unsigned long error_code, unsigned long address, diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 4d34198151b3..fb50e669579b 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -50,3 +50,4 @@ obj-$(CONFIG_FIELDBUS_DEV) += fieldbus/ obj-$(CONFIG_KPC2000) += kpc2000/ obj-$(CONFIG_QLGE) += qlge/ obj-$(CONFIG_WFX) += wfx/ +obj-$(CONFIG_ADDRESS_SPACE_ISOLATION) += asi/ -- 2.18.2
