diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-07-18 10:36:11 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-07-18 10:36:11 -0300 |
commit | 0698461ad2984892a47582a58eb235488d3aac7f (patch) | |
tree | 107cfefee20b50f79cde3ed847f075bdbf50fad0 /arch/s390/include/asm/archrandom.h | |
parent | 0d2997f750d1de394231bc22768dab94a5b5db2f (diff) | |
parent | ff6992735ade75aae3e35d16b17da1008d753d28 (diff) |
Merge remote-tracking branch 'torvalds/master' into perf/core
To update the perf/core codebase.
Fix conflict by moving arch__post_evsel_config(evsel, attr) to the end
of evsel__config(), after what was added in:
49c692b7dfc9b6c0 ("perf offcpu: Accept allowed sample types only")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/s390/include/asm/archrandom.h')
-rw-r--r-- | arch/s390/include/asm/archrandom.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/s390/include/asm/archrandom.h b/arch/s390/include/asm/archrandom.h index 5dc712fde3c7..2c6e1c6ecbe7 100644 --- a/arch/s390/include/asm/archrandom.h +++ b/arch/s390/include/asm/archrandom.h @@ -15,17 +15,13 @@ #include <linux/static_key.h> #include <linux/atomic.h> +#include <asm/cpacf.h> DECLARE_STATIC_KEY_FALSE(s390_arch_random_available); extern atomic64_t s390_arch_random_counter; -bool s390_arch_get_random_long(unsigned long *v); -bool s390_arch_random_generate(u8 *buf, unsigned int nbytes); - static inline bool __must_check arch_get_random_long(unsigned long *v) { - if (static_branch_likely(&s390_arch_random_available)) - return s390_arch_get_random_long(v); return false; } @@ -37,7 +33,9 @@ static inline bool __must_check arch_get_random_int(unsigned int *v) static inline bool __must_check arch_get_random_seed_long(unsigned long *v) { if (static_branch_likely(&s390_arch_random_available)) { - return s390_arch_random_generate((u8 *)v, sizeof(*v)); + cpacf_trng(NULL, 0, (u8 *)v, sizeof(*v)); + atomic64_add(sizeof(*v), &s390_arch_random_counter); + return true; } return false; } @@ -45,7 +43,9 @@ static inline bool __must_check arch_get_random_seed_long(unsigned long *v) static inline bool __must_check arch_get_random_seed_int(unsigned int *v) { if (static_branch_likely(&s390_arch_random_available)) { - return s390_arch_random_generate((u8 *)v, sizeof(*v)); + cpacf_trng(NULL, 0, (u8 *)v, sizeof(*v)); + atomic64_add(sizeof(*v), &s390_arch_random_counter); + return true; } return false; } |