| 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
| ||
|
Message-Id: <200811212109.01479.rusty@rustcorp.com.au> Date: Fri, 21 Nov 2008 21:09:01 +1030 From: Rusty Russell <rusty@...tcorp.com.au> To: Hirokazu Takata <takata@...ux-m32r.org> Cc: Ingo Molnar <mingo@...e.hu> Subject: [PATCH 1/3] percpu: fix percpu accessors to potentially !cpu_possible() cpus: m32r 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