diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2014-01-19 12:45:37 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2014-01-19 12:45:37 +0000 |
commit | 28cc8c738305152ba1636b91a1fc01ed7bcc4d40 (patch) | |
tree | 667da0156500e5484c9dc2c21d8068352afa40fd /sys/arch/amd64 | |
parent | a69dcedd6829f0cd8f3dd427ebba96d41ed91e35 (diff) |
Initialize ci_randseed better using arc4random() + a trick. Remove the
libkern srandom() API since it is not suitable for this use.
ok kettenis miod
Diffstat (limited to 'sys/arch/amd64')
-rw-r--r-- | sys/arch/amd64/amd64/cpu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/arch/amd64/amd64/cpu.c b/sys/arch/amd64/amd64/cpu.c index ee1a97f2cd9..2039f0c12f6 100644 --- a/sys/arch/amd64/amd64/cpu.c +++ b/sys/arch/amd64/amd64/cpu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.c,v 1.58 2013/12/19 21:30:02 deraadt Exp $ */ +/* $OpenBSD: cpu.c,v 1.59 2014/01/19 12:45:35 deraadt Exp $ */ /* $NetBSD: cpu.c,v 1.1 2003/04/26 18:39:26 fvdl Exp $ */ /*- @@ -73,6 +73,7 @@ #include <sys/device.h> #include <sys/malloc.h> #include <sys/memrange.h> +#include <dev/rndvar.h> #include <uvm/uvm_extern.h> @@ -101,7 +102,6 @@ #include <dev/ic/mc146818reg.h> #include <amd64/isa/nvram.h> #include <dev/isa/isareg.h> -#include <dev/rndvar.h> int cpu_match(struct device *, void *, void *); void cpu_attach(struct device *, struct device *, void *); @@ -591,7 +591,7 @@ cpu_boot_secondary_processors(void) continue; if (ci->ci_flags & (CPUF_BSP|CPUF_SP|CPUF_PRIMARY)) continue; - ci->ci_randseed = random(); + ci->ci_randseed = (arc4random() & 0x7fffffff) + 1; cpu_boot_secondary(ci); } } |