Subhransu S. Prusty wrote: > This is needed because the hardware Which hardware? Every x86-64 CPU ever built by AMD, Intel, and VIA?
> does not support 64-bit moveq insructions while writing to PCI MMIO. > +#ifndef CONFIG_X86_64 > +#define MEMCPY_TOIO memcpy_toio > +#else > +#define MEMCPY_TOIO memcpy32_toio > +#endif This does not change any code that uses memcpy_toio(). > + for (i = 0; i < count/sizeof(u32); i++) > + writel(*src_32++, dst_32++); This breaks when count is not a multiple of four. Regards, Clemens -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
