From: Oleg Drokin <green@namesys.com>
To: Andrew Morton <akpm@digeo.com>
Cc: jdike@karaya.com, roland@redhat.com,
linux-kernel@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net
Subject: Re: build problems on architectures where FIXADDR_* stuff is not constant
Date: Wed, 14 May 2003 09:32:50 +0400 [thread overview]
Message-ID: <20030514053250.GA27433@namesys.com> (raw)
In-Reply-To: <20030513134620.3dafeaf3.akpm@digeo.com>
Hello!
On Tue, May 13, 2003 at 01:46:20PM -0700, Andrew Morton wrote:
> > Since there are architectures where FIXADDR_* stuff is not constant (e.g. UML),
> > ...
> > + fixmap_vma.vm_start = FIXADDR_START;
> > + fixmap_vma.vm_end = FIXADDR_TOP;
> > + fixmap_vma.vm_page_prot = PAGE_READONLY;
> > pgd = pgd_offset_k(pg);
> > if (!pgd)
> > return i ? : -EFAULT;
> That's modifying static storage which other, unrelated processes or CPUs
> may be playing with.
Ah, stupid me. Missed the "static" thing :(
Bye,
Oleg
prev parent reply other threads:[~2003-05-14 5:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-13 12:23 build problems on architectures where FIXADDR_* stuff is not constant Oleg Drokin
2003-05-13 20:46 ` Andrew Morton
2003-05-13 23:56 ` Andrew Morton
2003-05-14 5:32 ` Oleg Drokin [this message]
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