Re: [PATCH 08/11] x86: make TASK_SIZE_MAX usable from assembly code
From: Kees Cook <hidden>
Date: 2020-08-18 19:59:19
Also in:
linux-arch, linux-fsdevel, lkml
From: Kees Cook <hidden>
Date: 2020-08-18 19:59:19
Also in:
linux-arch, linux-fsdevel, lkml
On Tue, Aug 18, 2020 at 09:55:39PM +0200, Christoph Hellwig wrote:
On Tue, Aug 18, 2020 at 12:44:49PM -0700, Kees Cook wrote:quoted
On Mon, Aug 17, 2020 at 09:32:09AM +0200, Christoph Hellwig wrote:quoted
For 64-bit the only hing missing was a strategic _AC, and for 32-bit wetypo: thingquoted
need to use __PAGE_OFFSET instead of PAGE_OFFSET in the TASK_SIZE definition to escape the explicit unsigned long cast. This just works because __PAGE_OFFSET is defined using _AC itself and thus never needs the cast anyway.Shouldn't this be folded into the prior patch so there's no bisection problem?I didn't see a problem bisecting, do you have something particular in mind?
Oh, I misunderstood this patch to be a fix for compilation. Is this just a correctness fix? -- Kees Cook