Messages in this thread Patch in this message | | | Date | Tue, 23 Jun 2009 10:00:58 +0530 | From | Arun R Bharadwaj <> | Subject | Re: [BUG] timer_migration interface accepts any number as input in 2.6.30-git9 |
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* poornima nayak <mpnayak@linux.vnet.ibm.com> [2009-06-22 16:52:08]:
> Hi Arun, > > Patch given by you fixes the reported bug. > > Regds > Poornima
Hi Ingo,
Can you please include this minor interface bug fix for timer migration?
thanks,
Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com> Reported-by: Poornima Nayak <mpnayak@linux.vnet.ibm.com> Tested-by: Poornima Nayak <mpnayak@linux.vnet.ibm.com> --- kernel/sysctl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
Index: linux.trees.git/kernel/sysctl.c =================================================================== --- linux.trees.git.orig/kernel/sysctl.c +++ linux.trees.git/kernel/sysctl.c @@ -335,7 +335,10 @@ static struct ctl_table kern_table[] = { .data = &sysctl_timer_migration, .maxlen = sizeof(unsigned int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &zero, + .extra2 = &one, }, #endif {
> On Wed, 2009-06-17 at 15:51 +0530, Arun R Bharadwaj wrote: > > * poornima nayak <mpnayak@linux.vnet.ibm.com> [2009-06-17 14:42:16]: > > > > > Hi > > > > > > Timer migration interface /proc/sys/kernel/timer_migration in > > > 2.6.30-git9 accepts any numerical value as input. > > > Steps to reproduce > > > 1. echo -6666666 > /proc/sys/kernel/timer_migration > > > 2. cat /proc/sys/kernel/timer_migration > > > -6666666 > > > > > > 1. echo 44444444444444444444444444444444444444444444444444444444444 > /proc/sys/kernel/timer_migration > > > 2. cat /proc/sys/kernel/timer_migration > > > -1357789412 > > > > > > Expected behavior: Should 'echo: write error: Invalid argument' while > > > setting any value other then 0 & 1 > > > > > > Regards > > > Poornima > > > > > > > Hi Poornima, > > > > Thanks for reporting the bug. > > Hope this patch removes the bug. > > The patch is based against the latest -tip/master. > > > > --arun > > > > > > Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com> > > --- > > kernel/sysctl.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > Index: linux.trees.git/kernel/sysctl.c > > =================================================================== > > --- linux.trees.git.orig/kernel/sysctl.c > > +++ linux.trees.git/kernel/sysctl.c > > @@ -335,7 +335,10 @@ static struct ctl_table kern_table[] = { > > .data = &sysctl_timer_migration, > > .maxlen = sizeof(unsigned int), > > .mode = 0644, > > - .proc_handler = &proc_dointvec, > > + .proc_handler = &proc_dointvec_minmax, > > + .strategy = &sysctl_intvec, > > + .extra1 = &zero, > > + .extra2 = &one, > > }, > > #endif > > { > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ >
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