From: William Lee Irwin III <wli@holomorphy.com>
To: "Martin Schlemmer [c]" <azarah@nosferatu.za.org>
Cc: Norbert Preining <preining@logic.at>,
linux-kernel@vger.kernel.org, luc@saillard.org,
Andrew Morton <akpm@osdl.org>
Subject: Re: rc4-mm1 and pwc-unofficial: kernel BUG and scheduling while atomic [u]
Date: Sun, 17 Oct 2004 13:13:35 -0700 [thread overview]
Message-ID: <20041017201335.GC5607@holomorphy.com> (raw)
In-Reply-To: <1098043065.15115.13.camel@nosferatu.lan>
On Sun, 2004-10-17 at 12:00 -0700, William Lee Irwin III wrote:
>> Only the third argument changed, from a physical address to a pfn.
On Sun, Oct 17, 2004 at 09:57:45PM +0200, Martin Schlemmer [c] wrote:
> Its the vesafb-tng patch
> (http://dev.gentoo.org/~spock/projects/vesafb-tng/)
> I did it as:
>
> ----
> vma.vm_mm = current->active_mm;
> vma.vm_page_prot.pgprot = PROT_READ | PROT_EXEC | PROT_WRITE;
>
> ret = remap_pfn_range(&vma, 0x000000, __pa(mem) >> PAGE_SHIFT, REAL_MEM_SIZE, vma.vm_page_prot);
> ret += remap_pfn_range(&vma, 0x0a0000, 0x0a0000, 0x100000 - 0x0a0000, vma.vm_page_prot);
You probably have to shift the physical address in the second call also.
-- wli
prev parent reply other threads:[~2004-10-17 20:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-17 7:36 rc4-mm1 and pwc-unofficial: kernel BUG and scheduling while atomic Norbert Preining
2004-10-17 9:30 ` William Lee Irwin III
2004-10-17 18:22 ` William Lee Irwin III
2004-10-17 18:35 ` rc4-mm1 and pwc-unofficial: kernel BUG and scheduling while atomic [u] Martin Schlemmer [c]
2004-10-17 19:00 ` William Lee Irwin III
2004-10-17 19:57 ` Martin Schlemmer [c]
2004-10-17 20:13 ` William Lee Irwin III [this message]
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