Re: [PATCH 4/5] SCSI: add cpu cache flushes after kmapping and modifying a page

[Christoph Hellwig]

On Sun, Jun 04, 2006 at 12:41:20PM +0900, Tejun Heo wrote:
>  			local_irq_save(flags);
>  			buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
>  			memcpy(buf, tw_dev->generic_buffer_virt[request_id], sg->length);
> +			flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset));
>  			kunmap_atomic(buf - sg->offset, KM_IRQ0);
>  			local_irq_restore(flags);

all these should switch to scsi_kmap_atomic_sg which should do the
flush_kernel_dcache_page call for you.

-
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/