Re: [Linux-ia64] test10 bug on SW IO TLB

From: David Mosberger <davidm_at_hpl.hp.com>
Date: 2000-11-09 09:16:52
>>>>> On Wed, 08 Nov 2000 18:28:17 +0900, Hirofumi Fujita <fujita@kanagawa.hitachi.co.jp> said:

  Hirofumi> Hi, there seems to be a bug on software IO TLB buffer.

  Hirofumi> Kernel command line option `swiotlb=' is ignored when the
  Hirofumi> bounce buffer for SW IO TLB is allocated.

  Hirofumi> Following is a patch to this.  But the call to
  Hirofumi> setup_swiotlb should be in some file in arch/ia64/kernel/
  Hirofumi> , i guess.

Good point, though it's too arch-dependent to put it in init/main.c.
I moved it to arch/ia64/mm/init.c.  It does make some sense to put it
there as it's memory related and requires bootmem and should be early
enough that no drivers that need the sw I/O TLB are active yet.

	--david
Received on Wed Nov 08 14:17:04 2000

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