| To: | jiankemeng@gmail.com |
|---|---|
| Subject: | Re: ALSA on MIPS platform |
| From: | Atsushi Nemoto <anemo@mba.ocn.ne.jp> |
| Date: | Tue, 07 Aug 2007 23:01:57 +0900 (JST) |
| Cc: | tiansm@lemote.com, linux-mips@linux-mips.org, alsa-devel@alsa-project.org, ralf@linux-mips.org, tiwai@suse.de, greg@kroah.com |
| In-reply-to: | <5861a7880708062317t21970c81w3f16580858bf50af@mail.gmail.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <46B332AC.8020403@lemote.com> <5861a7880708062253x7133659cm1ff17f451e4f82f8@mail.gmail.com> <5861a7880708062317t21970c81w3f16580858bf50af@mail.gmail.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
On Tue, 7 Aug 2007 10:18:04 +0400, "Dajie Tan" <jiankemeng@gmail.com> wrote:
> static inline unsigned long virt_to_phys(volatile const void *address)
> {
> - return (unsigned long)address - PAGE_OFFSET + PHYS_OFFSET;
> + return ((unsigned long)address & 0x1fffffff) + PHYS_OFFSET;
> }
This makes virt_to_phys() a bit slower, and more importantly, breaks
64-bit kernel.
---
Atsushi Nemoto
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