Messages in this thread | | | Date | Sun, 4 Jun 2006 09:20:35 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH 4/5] SCSI: add cpu cache flushes after kmapping and modifying a page |
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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.
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