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| From: | Paolo Bonzini |
| Subject: | [Qemu-devel] Re: [RfC PATCH 08/11] spice: add qxl device |
| Date: | Thu, 15 Apr 2010 01:08:06 +0200 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100301 Fedora/3.0.3-1.fc12 Lightning/1.0b2pre Thunderbird/3.0.3 |
On 04/14/2010 06:52 PM, Blue Swirl wrote:
On 4/14/10, Gerd Hoffmann<address@hidden> wrote:+static inline void atomic_or(uint32_t *var, uint32_t add) +{ + __asm__ __volatile__ ("lock; orl %1, %0" : "+m" (*var) : "r" (add) : "memory"); +}This will break on non-x86 hosts.
I'd just use __sync_fetch_and_or here. Paolo
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