Re: [Stable-review] [RFC] mlock/stack guard interaction fixup
- To: Ben Hutchings <ben@decadent.org.uk>
- Cc: Debian kernel maintainers <debian-kernel@lists.debian.org>
- Subject: Re: [Stable-review] [RFC] mlock/stack guard interaction fixup
- From: Ian Campbell <ijc@hellion.org.uk>
- Date: Sun, 22 Aug 2010 17:44:18 +0100
- Message-id: <1282495458.11348.908.camel@localhost.localdomain>
- In-reply-to: <1282489094.11348.906.camel@localhost.localdomain>
- References: <AANLkTimuP9cFvd4pfqy6=vixSMdagrSEv1-VLNAEuWgr@mail.gmail.com> <1282391770.29609.1223.camel@localhost.localdomain> <AANLkTimYnfewBCDNYXZHxbcX=TRE__Cu07_FFK_kAK2h@mail.gmail.com> <1282460275.11348.865.camel@localhost.localdomain> <1282462386.11348.871.camel@localhost.localdomain> <1282470917.11348.891.camel@localhost.localdomain> <1282487192.12956.32.camel@localhost> <1282489094.11348.906.camel@localhost.localdomain>
On Sun, 2010-08-22 at 15:58 +0100, Ian Campbell wrote:
> I think I would err on the side of reverting for now. The relevant
> changesets are:
> e4599a4a45259b9cfb0942d36f6f35f3dca1d893 mm: fix up some user-visible effects of the stack guard page
> 058daedc8311ab42702dfe29d3ff16dff7e7eaf8 mm: fix page table unmap for stack guard page properly
> ab832422673d1774c4ce3941f2ac87743d73bded mm: fix missing page table unmap for stack guard page failure case
> 7e281afe24330aeea86113ac241eabdac8ba2311 mm: keep a guard page below a grow-down stack segment
So that's what I've just done.
Ian.
--
Ian Campbell
Anything is good if it's made of chocolate.
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