diff options
| -rw-r--r-- | arch/x86/mm/pageattr-test.c | 6 | ||||
| -rw-r--r-- | include/asm-x86/pgtable.h | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c index 7c3017287119..e1d106909218 100644 --- a/arch/x86/mm/pageattr-test.c +++ b/arch/x86/mm/pageattr-test.c | |||
| @@ -32,7 +32,7 @@ enum { | |||
| 32 | GPS = (1<<30) | 32 | GPS = (1<<30) |
| 33 | }; | 33 | }; |
| 34 | 34 | ||
| 35 | #define PAGE_TESTBIT __pgprot(_PAGE_UNUSED1) | 35 | #define PAGE_CPA_TEST __pgprot(_PAGE_CPA_TEST) |
| 36 | 36 | ||
| 37 | static int pte_testbit(pte_t pte) | 37 | static int pte_testbit(pte_t pte) |
| 38 | { | 38 | { |
| @@ -174,7 +174,7 @@ static int pageattr_test(void) | |||
| 174 | } | 174 | } |
| 175 | 175 | ||
| 176 | test_addr = addr[i]; | 176 | test_addr = addr[i]; |
| 177 | err = change_page_attr_set(&test_addr, len[i], PAGE_TESTBIT, 0); | 177 | err = change_page_attr_set(&test_addr, len[i], PAGE_CPA_TEST, 0); |
| 178 | if (err < 0) { | 178 | if (err < 0) { |
| 179 | printk(KERN_ERR "CPA %d failed %d\n", i, err); | 179 | printk(KERN_ERR "CPA %d failed %d\n", i, err); |
| 180 | failed++; | 180 | failed++; |
| @@ -207,7 +207,7 @@ static int pageattr_test(void) | |||
| 207 | continue; | 207 | continue; |
| 208 | } | 208 | } |
| 209 | test_addr = addr[i]; | 209 | test_addr = addr[i]; |
| 210 | err = change_page_attr_clear(&test_addr, len[i], PAGE_TESTBIT, 0); | 210 | err = change_page_attr_clear(&test_addr, len[i], PAGE_CPA_TEST, 0); |
| 211 | if (err < 0) { | 211 | if (err < 0) { |
| 212 | printk(KERN_ERR "CPA reverting failed: %d\n", err); | 212 | printk(KERN_ERR "CPA reverting failed: %d\n", err); |
| 213 | failed++; | 213 | failed++; |
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 04caa2f544df..eccd52406ab1 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h | |||
| @@ -19,6 +19,7 @@ | |||
| 19 | #define _PAGE_BIT_UNUSED3 11 | 19 | #define _PAGE_BIT_UNUSED3 11 |
| 20 | #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ | 20 | #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ |
| 21 | #define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 | 21 | #define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 |
| 22 | #define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 | ||
| 22 | #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ | 23 | #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ |
| 23 | 24 | ||
| 24 | #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) | 25 | #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) |
| @@ -36,6 +37,7 @@ | |||
| 36 | #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) | 37 | #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) |
| 37 | #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) | 38 | #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) |
| 38 | #define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) | 39 | #define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) |
| 40 | #define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST) | ||
| 39 | #define __HAVE_ARCH_PTE_SPECIAL | 41 | #define __HAVE_ARCH_PTE_SPECIAL |
| 40 | 42 | ||
| 41 | #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) | 43 | #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) |
