On May 3, 2016 11:32 PM, "Ingo Molnar" <mingo@xxxxxxxxxx> wrote: > > > * Andy Lutomirski <luto@xxxxxxxxxx> wrote: > > > If a signal stack is set up with SS_AUTODISARM, then the kernel > > inherently avoids incorrectly resetting the signal stack if signals > > recurse: the signal stack will be reset on the first signal > > delivery. This means that we don't need check the stack pointer > > when delivering signals if SS_AUTODISARM is set. > > > > This will make segmented x86 programs more robust: currently there's > > a hole that could be triggered if ESP/RSP appears to point to the > > signal stack but actually doesn't due to a nonzero SS base. > > > > Signed-off-by: Stas Sergeev <stsp@xxxxxxx> > > Presuably that SOB from Stas is stray, as there's no matching From: line? > I've removed it. Yes. It was a cut-and-paste-o -- I meant to change it to cc. > > Thanks, > > Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
