Re: svn commit: r324313 - head/sys/amd64/amd64

2017-10-08 Thread Don Lewis
On 8 Oct, Konstantin Belousov wrote: > On Sat, Oct 07, 2017 at 01:54:05PM -0700, Don Lewis wrote: >> On 7 Oct, Konstantin Belousov wrote: >> > On Sat, Oct 07, 2017 at 01:04:09PM -0700, Don Lewis wrote: >> >> On 5 Oct, Konstantin Belousov wrote: >> >> > Author: kib >> >> > Date: Thu Oct 5 12:50:

Re: svn commit: r324313 - head/sys/amd64/amd64

2017-10-08 Thread Konstantin Belousov
On Sat, Oct 07, 2017 at 01:54:05PM -0700, Don Lewis wrote: > On 7 Oct, Konstantin Belousov wrote: > > On Sat, Oct 07, 2017 at 01:04:09PM -0700, Don Lewis wrote: > >> On 5 Oct, Konstantin Belousov wrote: > >> > Author: kib > >> > Date: Thu Oct 5 12:50:03 2017 > >> > New Revision: 324313 > >> > UR

Re: svn commit: r324313 - head/sys/amd64/amd64

2017-10-07 Thread Don Lewis
On 7 Oct, Konstantin Belousov wrote: > On Sat, Oct 07, 2017 at 01:04:09PM -0700, Don Lewis wrote: >> On 5 Oct, Konstantin Belousov wrote: >> > Author: kib >> > Date: Thu Oct 5 12:50:03 2017 >> > New Revision: 324313 >> > URL: https://svnweb.freebsd.org/changeset/base/324313 >> > >> > Log: >> >

Re: svn commit: r324313 - head/sys/amd64/amd64

2017-10-07 Thread Konstantin Belousov
On Sat, Oct 07, 2017 at 01:04:09PM -0700, Don Lewis wrote: > On 5 Oct, Konstantin Belousov wrote: > > Author: kib > > Date: Thu Oct 5 12:50:03 2017 > > New Revision: 324313 > > URL: https://svnweb.freebsd.org/changeset/base/324313 > > > > Log: > > Avoid a race betweem freeing LDT and context s

Re: svn commit: r324313 - head/sys/amd64/amd64

2017-10-07 Thread Don Lewis
On 5 Oct, Konstantin Belousov wrote: > Author: kib > Date: Thu Oct 5 12:50:03 2017 > New Revision: 324313 > URL: https://svnweb.freebsd.org/changeset/base/324313 > > Log: > Avoid a race betweem freeing LDT and context switches. > > cpu_switch.S uses curproc->p_md.md_ldt value as the flag

svn commit: r324313 - head/sys/amd64/amd64

2017-10-05 Thread Konstantin Belousov
Author: kib Date: Thu Oct 5 12:50:03 2017 New Revision: 324313 URL: https://svnweb.freebsd.org/changeset/base/324313 Log: Avoid a race betweem freeing LDT and context switches. cpu_switch.S uses curproc->p_md.md_ldt value as the flag indicating presence of the process LDT. The flag is c