Re: [PATCH] sched_setattr.2: callee's affinity matters, not caller's one.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hello Akihiro,

On 01/02/2016 02:04 PM, Akihiro Suda wrote:
> Hi, all
> 
> sched_setattr.2 says:
> 
>  EPERM  The caller's CPU affinity mask does not include all CPUs in
> the system (see sched_setaffinity(2)).
> 
> 
> But it seems that callee's affinity matters, not caller's one.
> http://lxr.free-electrons.com/source/kernel/sched/core.c?v=4.3#L3888

I agree with you. But I think we can word a little more precisely, 
since "callee" isn't so clear. I applied the patch below. Thanks!

Cheers,

Michael

-- a/man2/sched_setattr.2
+++ b/man2/sched_setattr.2
@@ -341,7 +341,8 @@ are invalid.
 The caller does not have appropriate privileges.
 .TP
 .B EPERM
-The caller's CPU affinity mask
+The CPU affinity mask of the thread specified by
+.I pid
 does not include all CPUs in the system
 (see
 .BR sched_setaffinity (2)).


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
--
To unsubscribe from this list: send the line "unsubscribe linux-man" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Documentation]     [Netdev]     [Linux Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux