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, 25 Apr 2014 10:04:59 -0400 From: Rik van Riel <riel@...hat.com> To: Randy Dunlap <rdunlap@...radead.org> Cc: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>, linux-next@...r.kernel.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, umgwanakikbuti@...il.com Subject: Re: mmotm 2014-04-24-13-07 uploaded On Thu, 24 Apr 2014 15:40:29 -0700 Randy Dunlap <rdunlap@...radead.org> wrote: > uml on x86_64 defconfig: > > drivers/built-in.o: In function `__handle_sysrq': > drivers/tty/sysrq.c:514: undefined reference to `rcu_sysrq_start' > drivers/tty/sysrq.c:558: undefined reference to `rcu_sysrq_end' Randy, does the patch below fix it? Mike, this patch should also address your concerns. Andrew, this can be a -fix patch for the sysctl-rcu patch, assuming it fixes things :) Signed-off-by: Rik van Riel <riel@...hat.com --- drivers/tty/sysrq.c | 1 + kernel/rcu/update.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index dd53af9..0867433 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -46,6 +46,7 @@ #include <linux/jiffies.h> #include <linux/syscalls.h> #include <linux/of.h> +#include <linux/rcupdate.h> #include <asm/ptrace.h> #include <asm/irq_regs.h> diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c index 2ac3289..d22309c 100644 --- a/kernel/rcu/update.c +++ b/kernel/rcu/update.c @@ -322,7 +322,8 @@ int rcu_jiffies_till_stall_check(void) void rcu_sysrq_start(void) { - rcu_cpu_stall_suppress = 2; + if (!rcu_cpu_stall_suppress) + rcu_cpu_stall_suppress = 2; } void rcu_sysrq_end(void) -- 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