diff options
Diffstat (limited to 'arch/x86/include')
-rw-r--r-- | arch/x86/include/asm/atomic.h | 4 | ||||
-rw-r--r-- | arch/x86/include/asm/atomic64_64.h | 4 | ||||
-rw-r--r-- | arch/x86/include/asm/bitops.h | 6 | ||||
-rw-r--r-- | arch/x86/include/asm/crypto/ablk_helper.h | 31 | ||||
-rw-r--r-- | arch/x86/include/asm/local.h | 4 | ||||
-rw-r--r-- | arch/x86/include/asm/rmwcc.h | 8 | ||||
-rw-r--r-- | arch/x86/include/asm/simd.h | 11 | ||||
-rw-r--r-- | arch/x86/include/asm/trace/irq_vectors.h | 11 |
8 files changed, 35 insertions, 44 deletions
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h index da31c8b8a92..b17f4f48ecd 100644 --- a/arch/x86/include/asm/atomic.h +++ b/arch/x86/include/asm/atomic.h @@ -77,7 +77,7 @@ static inline void atomic_sub(int i, atomic_t *v) */ static inline int atomic_sub_and_test(int i, atomic_t *v) { - GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, i, "%0", "e"); + GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, "er", i, "%0", "e"); } /** @@ -141,7 +141,7 @@ static inline int atomic_inc_and_test(atomic_t *v) */ static inline int atomic_add_negative(int i, atomic_t *v) { - GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, i, "%0", "s"); + GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, "er", i, "%0", "s"); } /** diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h index 3f065c985ae..46e9052bbd2 100644 --- a/arch/x86/include/asm/atomic64_64.h +++ b/arch/x86/include/asm/atomic64_64.h @@ -72,7 +72,7 @@ static inline void atomic64_sub(long i, atomic64_t *v) */ static inline int atomic64_sub_and_test(long i, atomic64_t *v) { - GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, i, "%0", "e"); + GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, "er", i, "%0", "e"); } /** @@ -138,7 +138,7 @@ static inline int atomic64_inc_and_test(atomic64_t *v) */ static inline int atomic64_add_negative(long i, atomic64_t *v) { - GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, i, "%0", "s"); + GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, "er", i, "%0", "s"); } /** diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 6d76d093598..9fc1af74dc8 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -205,7 +205,7 @@ static inline void change_bit(long nr, volatile unsigned long *addr) */ static inline int test_and_set_bit(long nr, volatile unsigned long *addr) { - GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, nr, "%0", "c"); + GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c"); } /** @@ -251,7 +251,7 @@ static inline int __test_and_set_bit(long nr, volatile unsigned long *addr) */ static inline int test_and_clear_bit(long nr, volatile unsigned long *addr) { - GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, nr, "%0", "c"); + GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c"); } /** @@ -304,7 +304,7 @@ static inline int __test_and_change_bit(long nr, volatile unsigned long *addr) */ static inline int test_and_change_bit(long nr, volatile unsigned long *addr) { - GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, nr, "%0", "c"); + GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c"); } static __always_inline int constant_test_bit(long nr, const volatile unsigned long *addr) diff --git a/arch/x86/include/asm/crypto/ablk_helper.h b/arch/x86/include/asm/crypto/ablk_helper.h deleted file mode 100644 index 4f93df50c23..00000000000 --- a/arch/x86/include/asm/crypto/ablk_helper.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Shared async block cipher helpers - */ - -#ifndef _CRYPTO_ABLK_HELPER_H -#define _CRYPTO_ABLK_HELPER_H - -#include <linux/crypto.h> -#include <linux/kernel.h> -#include <crypto/cryptd.h> - -struct async_helper_ctx { - struct cryptd_ablkcipher *cryptd_tfm; -}; - -extern int ablk_set_key(struct crypto_ablkcipher *tfm, const u8 *key, - unsigned int key_len); - -extern int __ablk_encrypt(struct ablkcipher_request *req); - -extern int ablk_encrypt(struct ablkcipher_request *req); - -extern int ablk_decrypt(struct ablkcipher_request *req); - -extern void ablk_exit(struct crypto_tfm *tfm); - -extern int ablk_init_common(struct crypto_tfm *tfm, const char *drv_name); - -extern int ablk_init(struct crypto_tfm *tfm); - -#endif /* _CRYPTO_ABLK_HELPER_H */ diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h index 5b23e605e70..4ad6560847b 100644 --- a/arch/x86/include/asm/local.h +++ b/arch/x86/include/asm/local.h @@ -52,7 +52,7 @@ static inline void local_sub(long i, local_t *l) */ static inline int local_sub_and_test(long i, local_t *l) { - GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, i, "%0", "e"); + GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, "er", i, "%0", "e"); } /** @@ -92,7 +92,7 @@ static inline int local_inc_and_test(local_t *l) */ static inline int local_add_negative(long i, local_t *l) { - GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, i, "%0", "s"); + GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, "er", i, "%0", "s"); } /** diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h index 1ff990f1de8..8f7866a5b9a 100644 --- a/arch/x86/include/asm/rmwcc.h +++ b/arch/x86/include/asm/rmwcc.h @@ -16,8 +16,8 @@ cc_label: \ #define GEN_UNARY_RMWcc(op, var, arg0, cc) \ __GEN_RMWcc(op " " arg0, var, cc) -#define GEN_BINARY_RMWcc(op, var, val, arg0, cc) \ - __GEN_RMWcc(op " %1, " arg0, var, cc, "er" (val)) +#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ + __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val)) #else /* !CC_HAVE_ASM_GOTO */ @@ -33,8 +33,8 @@ do { \ #define GEN_UNARY_RMWcc(op, var, arg0, cc) \ __GEN_RMWcc(op " " arg0, var, cc) -#define GEN_BINARY_RMWcc(op, var, val, arg0, cc) \ - __GEN_RMWcc(op " %2, " arg0, var, cc, "er" (val)) +#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ + __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val)) #endif /* CC_HAVE_ASM_GOTO */ diff --git a/arch/x86/include/asm/simd.h b/arch/x86/include/asm/simd.h new file mode 100644 index 00000000000..ee80b92f009 --- /dev/null +++ b/arch/x86/include/asm/simd.h @@ -0,0 +1,11 @@ + +#include <asm/i387.h> + +/* + * may_use_simd - whether it is allowable at this time to issue SIMD + * instructions or access the SIMD register file + */ +static __must_check inline bool may_use_simd(void) +{ + return irq_fpu_usable(); +} diff --git a/arch/x86/include/asm/trace/irq_vectors.h b/arch/x86/include/asm/trace/irq_vectors.h index 2874df24e7a..4cab890007a 100644 --- a/arch/x86/include/asm/trace/irq_vectors.h +++ b/arch/x86/include/asm/trace/irq_vectors.h @@ -72,6 +72,17 @@ DEFINE_IRQ_VECTOR_EVENT(x86_platform_ipi); DEFINE_IRQ_VECTOR_EVENT(irq_work); /* + * We must dis-allow sampling irq_work_exit() because perf event sampling + * itself can cause irq_work, which would lead to an infinite loop; + * + * 1) irq_work_exit happens + * 2) generates perf sample + * 3) generates irq_work + * 4) goto 1 + */ +TRACE_EVENT_PERF_PERM(irq_work_exit, is_sampling_event(p_event) ? -EPERM : 0); + +/* * call_function - called when entering/exiting a call function interrupt * vector handler */ |