[PATCH v9 01/14] swiotlb: Refactor swiotlb init functions
Claire Chang
tientzu at chromium.org
Tue Jun 15 14:06:06 AEST 2021
On Mon, Jun 14, 2021 at 2:16 PM Christoph Hellwig <hch at lst.de> wrote:
>
> On Fri, Jun 11, 2021 at 11:26:46PM +0800, Claire Chang wrote:
> > + spin_lock_init(&mem->lock);
> > + for (i = 0; i < mem->nslabs; i++) {
> > + mem->slots[i].list = IO_TLB_SEGSIZE - io_tlb_offset(i);
> > + mem->slots[i].orig_addr = INVALID_PHYS_ADDR;
> > + mem->slots[i].alloc_size = 0;
> > + }
> > +
> > + if (memory_decrypted)
> > + set_memory_decrypted((unsigned long)vaddr, bytes >> PAGE_SHIFT);
> > + memset(vaddr, 0, bytes);
>
> We don't really need to do this call before the memset. Which means we
> can just move it to the callers that care instead of having a bool
> argument.
>
> Otherwise looks good:
>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
Thanks for the review. Will wait more days for other reviews and send
v10 to address the comments in this and other patches.
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