Re: [uml-devel] [PATCH 1/1] system call notification with self_ptrace

2008-09-10 Thread Dave Hansen
On Mon, 2008-09-08 at 14:02 +0200, Pierre Morel wrote: > > + if (is_self_ptracing(regs->gprs[2])) { > + if (!entryexit) { > + struct siginfo info; > + > + memset(&info, 0, sizeof(struct siginfo)); > + info.si_sig

Re: [uml-devel] [PATCH 1/1] system call notification with self_ptrace

2008-09-10 Thread Dave Hansen
On Wed, 2008-09-10 at 20:20 +0400, Oleg Nesterov wrote: > But... well, I think we need Roland's opinion. I must admit, I am a bit > sceptical about this patch ;) I mean, I don't really understand why it > is useful Yeah, I don't think they're completely coming clean on it, yet. -- Dave --

Re: [uml-devel] [PATCH] make UML call dentry_open() with a valid vfsmount

2007-09-28 Thread Dave Hansen
On Fri, 2007-09-28 at 11:03 -0400, Jeff Dike wrote: > On Thu, Sep 27, 2007 at 03:09:23PM -0700, Dave Hansen wrote: > > > > I'm trying to enforce the convention that you may not call > > dentry_open() with a NULL vfsmount. This is so that the > > r/o bind mount

[uml-devel] [PATCH] make UML call dentry_open() with a valid vfsmount

2007-09-27 Thread Dave Hansen
I'm trying to enforce the convention that you may not call dentry_open() with a NULL vfsmount. This is so that the r/o bind mount patches can consistenty acquire write access to the mounts there. This patch fixes up UML's HPPFS to track both the vfsmount and the dentry for its files. Compile, b