Re: numactl problems with -C option specifying cpus outside of cpus_allowed
Christoph Lameter <[email protected]> Thu, 3 Oct 2013 13:48:41 +0000
| Newsgroups | org.kernel.vger.linux-numa |
|---|---|
| Message-ID | <000001417e93dd7e-d18881f0-6ad9-4f67-bcef-89842502d68c-000000@email.amazonses.com> |
On Wed, 2 Oct 2013, Andi Kleen wrote: > On Wed, Oct 02, 2013 at 02:34:01PM +0000, Christoph Lameter wrote: > > It seems that the check for processors specified with C is always done > > regardless of CAP_SYS_NICE or the possibility that root may be calling > > numactl. > > > > taskset does not have that problem. Nor did releases of numactl before > > 2.0.8. > > The recently added --all option may help? Which version added --all? Would the correct approach not be to check if its root runninng numactl or if CAP_SYS_NICE is set?