| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Fri, 28 Nov 2008 02:59:39 +0900 From: Hirokazu Takata <takata@...ux-m32r.org> To: Rusty Russell <rusty@...tcorp.com.au> Cc: Hirokazu Takata <takata@...ux-m32r.org>, Mike Travis <travis@....com>, Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/3] percpu: fix percpu accessors to potentially !cpu_possible() cpus: m32r Acked-by: Hirokazu Takata <takata@...ux-m32r.org> At Fri, 21 Nov 2008 21:09:01 +1030, Rusty Russell wrote: > > Impact: CPU iterator bugfixes > > Percpu areas are only allocated for possible cpus. In general, you > shouldn't access random cpu's percpu areas. > > Signed-off-by: Rusty Russell <rusty@...tcorp.com.au> > Signed-off-by: Mike Travis <travis@....com> > Acked-by: Ingo Molnar <mingo@...e.hu> > --- > arch/m32r/kernel/smpboot.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- test-compile.orig/arch/m32r/kernel/smpboot.c > +++ test-compile/arch/m32r/kernel/smpboot.c > @@ -598,7 +598,7 @@ int setup_profiling_timer(unsigned int m > * accounting. At that time they also adjust their APIC timers > * accordingly. > */ > - for (i = 0; i < NR_CPUS; ++i) > + for_each_possible_cpu(i) > per_cpu(prof_multiplier, i) = multiplier; > > return 0; > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists