On Sun, 2014-05-11 at 10:10 +0300, Konstantin Belousov wrote:
> On Sun, May 11, 2014 at 12:43:06AM +0000, Ian Lepore wrote:
> > Author: ian
> > Date: Sun May 11 00:43:06 2014
> > New Revision: 265861
> > URL: http://svnweb.freebsd.org/changeset/base/265861
> > 
> > Log:
> >   Make the hardware memory and instruction barrier functions work on armv4
> >   and armv5 as well.
> > 
> > Modified:
> >   head/sys/arm/include/atomic.h
> >   head/sys/modules/Makefile
> > 
> > Modified: head/sys/arm/include/atomic.h
> > ==============================================================================
> > --- head/sys/arm/include/atomic.h   Sat May 10 22:27:01 2014        
> > (r265860)
> > +++ head/sys/arm/include/atomic.h   Sun May 11 00:43:06 2014        
> > (r265861)
> > @@ -58,9 +58,9 @@
> >  #define dsb()  __asm __volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0) : 
> > "memory")
> >  #define dmb()  __asm __volatile("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : 
> > "memory")
> >  #else
> > -#define isb()
> > -#define dsb()
> > -#define dmb()
> > +#define isb()  __asm __volatile("mcr p15, 0, %0, c7, c5, 4" : : "r" (0) : 
> > "memory")
> > +#define dsb()  __asm __volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0) : 
> > "memory")
> > +#define dmb()  dsb()
> >  #endif
> >  
> >  #define mb()   dmb()
> > 
> > Modified: head/sys/modules/Makefile
> > ==============================================================================
> > --- head/sys/modules/Makefile       Sat May 10 22:27:01 2014        
> > (r265860)
> > +++ head/sys/modules/Makefile       Sun May 11 00:43:06 2014        
> > (r265861)
> > @@ -2,6 +2,8 @@
> >  
> >  .include <src.opts.mk>
> >  
> > +SUBDIR_PARALLEL=
> > +
> >  # Modules that include binary-only blobs of microcode should be selectable 
> > by
> >  # MK_SOURCELESS_UCODE option (see below).
> >  
> This part is unrelated and should be reverted, I suppose ?

Ooops, indeed, thanks.  Although... it's a good change in terms of
speeding up the build, I just didn't intend to commit it until it got
tested with -j levels higher than I can test with my little 6-core
machine.

-- Ian


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