Messages in this thread | | | Date | Mon, 11 Feb 2013 10:36:38 +0100 | Subject | Re: pt_regs leak into userspace (was Re: [PATCH v3 20/71] ARC: Signal handling) | From | Jonas Bonn <> |
| |
On 11 February 2013 08:26, Vineet Gupta <Vineet.Gupta1@synopsys.com> wrote:
> > The only downside of this patch is that userspace signal stack grows in size, > since signal frame only cares about scratch regs (pt_regs), but has to accommodate > unused placeholder for callee regs too by virtue of using user_regs_struct.
Is this really true? Don't setcontext and friends require that _all_ the registers be part of sigcontext?
/Jonas
| |