Re: [patch 134/149] x86, paravirt: Add a global synchronizationpoint for pvclock

[Peter Palfrader]

On Tue, 13 Jul 2010, Avi Kivity wrote:

> Well, current upstream uses "m":
>
>>         case 8:                                                         \
>>                 asm volatile(lock "cmpxchgq %1,%2"                      \
>>                              : "=a"(__ret)                              \
>>                              : "r"(__new), "m"(*__xg(ptr)), "0"(__old)  \
>>                              : "memory");                               \
>>                 break;                                                  \
>
> and works; I also failed to reproduce with 2.6.32.16.  So I expect some  
> toolchain involvement.
>
> Peter, what gcc are you using?

gcc (Debian 4.3.2-1.1) 4.3.2

-- 
                           |  .''`.  ** Debian GNU/Linux **
      Peter Palfrader      | : :' :      The  universal
 http://www.palfrader.org/ | `. `'      Operating System
                           |   `-    http://www.debian.org/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/