Author: marcel
Date: Thu May 24 20:45:44 2012
New Revision: 235931
URL: http://svn.freebsd.org/changeset/base/235931
Log:
Fix the memory barriers for CPUs that do not like lwsync and wedge or cause
exceptions early enough during boot that the kernel will do ithe same.
Use lwsync only when
On 05/24/12 15:45, Marcel Moolenaar wrote:
Author: marcel
Date: Thu May 24 20:45:44 2012
New Revision: 235931
URL: http://svn.freebsd.org/changeset/base/235931
Log:
Fix the memory barriers for CPUs that do not like lwsync and wedge or cause
exceptions early enough during boot that the
On May 24, 2012, at 2:13 PM, Nathan Whitehorn wrote:
On 05/24/12 15:45, Marcel Moolenaar wrote:
Author: marcel
Date: Thu May 24 20:45:44 2012
New Revision: 235931
URL: http://svn.freebsd.org/changeset/base/235931
Log:
Fix the memory barriers for CPUs that do not like lwsync and wedge
On 05/24/12 17:07, Marcel Moolenaar wrote:
On May 24, 2012, at 2:13 PM, Nathan Whitehorn wrote:
On 05/24/12 15:45, Marcel Moolenaar wrote:
Author: marcel
Date: Thu May 24 20:45:44 2012
New Revision: 235931
URL: http://svn.freebsd.org/changeset/base/235931
Log:
Fix the memory barriers for
On May 24, 2012, at 3:15 PM, Nathan Whitehorn wrote:
Summary:
1. *mb() must be lwsync or sync on all machines, except for wmb() which
could be eieio
2. __ATOMIC_ACQ() must be isync (though could be reduced to lwsync with
bus_space changes)
3. __ATOMIC_REL() must be lwsync or sync
This
On 05/24/12 17:22, Marcel Moolenaar wrote:
On May 24, 2012, at 3:15 PM, Nathan Whitehorn wrote:
Summary:
1. *mb() must be lwsync or sync on all machines, except for wmb() which could
be eieio
2. __ATOMIC_ACQ() must be isync (though could be reduced to lwsync with
bus_space changes)
3.
On May 24, 2012, at 3:46 PM, Nathan Whitehorn wrote:
On 05/24/12 17:22, Marcel Moolenaar wrote:
On May 24, 2012, at 3:15 PM, Nathan Whitehorn wrote:
Summary:
1. *mb() must be lwsync or sync on all machines, except for wmb() which
could be eieio
2. __ATOMIC_ACQ() must be isync (though
