Anthony Liguori wrote: > On 02/10/2010 07:20 AM, Avi Kivity wrote: > >> On 02/10/2010 12:52 PM, OHMURA Kei wrote: >> >> >>> dirty-bitmap-traveling is carried out by byte size in qemu-kvm.c. >>> But We think that dirty-bitmap-traveling by long size is faster than by byte >>> size especially when most of memory is not dirty. >>> >>> --- a/bswap.h >>> +++ b/bswap.h >>> @@ -209,7 +209,6 @@ static inline void cpu_to_be32wu(uint32_t *p, uint32_t v) >>> #define cpu_to_32wu cpu_to_le32wu >>> #endif >>> >>> -#undef le_bswap >>> #undef be_bswap >>> #undef le_bswaps >>> >>> >>> >> Anthony, is it okay to export le_bswap this way, or will you want >> leul_to_cpu()? >> >> > > kvm_get_dirty_pages_log_range() is kvm-specific code. We're guaranteed > that when we're using kvm, target byte order == host byte order. > > So is it really necessary to use a byte swapping function at all? > On PPC the bitmap is Little Endian. Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
