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| author | Joel Stanley <joel@jms.id.au> | 2020-08-31 03:46:52 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2020-08-31 03:46:57 +0300 |
| commit | 0dd0c8c492fa70707ca4f0d36dcb2e3c64105b16 (patch) | |
| tree | a420abd8f26264544246602c60d161a7cc4de390 /arch/arm64/kernel/kaslr.c | |
| parent | 31d8605658d37d9197a989838508481d5dc1d8bc (diff) | |
| parent | 9ece50d8a470ca7235ffd6ac0f9c5f0f201fe2c8 (diff) | |
| download | linux-dev-5.8.tar.xz | |
Merge tag 'v5.8.5' into dev-5.8dev-5.8
This is the 5.8.5 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/arm64/kernel/kaslr.c')
| -rw-r--r-- | arch/arm64/kernel/kaslr.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c index 07c4c8cc4a67..b181e0544b79 100644 --- a/arch/arm64/kernel/kaslr.c +++ b/arch/arm64/kernel/kaslr.c @@ -11,8 +11,8 @@ #include <linux/sched.h> #include <linux/types.h> #include <linux/pgtable.h> +#include <linux/random.h> -#include <asm/archrandom.h> #include <asm/cacheflush.h> #include <asm/fixmap.h> #include <asm/kernel-pgtable.h> @@ -84,6 +84,7 @@ u64 __init kaslr_early_init(u64 dt_phys) void *fdt; u64 seed, offset, mask, module_range; const u8 *cmdline, *str; + unsigned long raw; int size; /* @@ -122,15 +123,12 @@ u64 __init kaslr_early_init(u64 dt_phys) } /* - * Mix in any entropy obtainable architecturally, open coded - * since this runs extremely early. + * Mix in any entropy obtainable architecturally if enabled + * and supported. */ - if (__early_cpu_has_rndr()) { - unsigned long raw; - if (__arm64_rndr(&raw)) - seed ^= raw; - } + if (arch_get_random_seed_long_early(&raw)) + seed ^= raw; if (!seed) { kaslr_status = KASLR_DISABLED_NO_SEED; |