From mboxrd@z Thu Jan 1 00:00:00 1970 From: imre.deak@nokia.com (Imre Deak) Date: Wed, 6 Jan 2010 19:47:59 +0200 Subject: [RFC PATCH 2/2] ARM: VFP: preserve the HW context when calling signal handlers In-Reply-To: <201001041718.55150.siarhei.siamashka@nokia.com> References: <201001041615.26490.siarhei.siamashka@nokia.com> <20100104142549.GF9107@n2100.arm.linux.org.uk> <201001041718.55150.siarhei.siamashka@nokia.com> Message-ID: <20100106174759.GB28921@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jan 04, 2010 at 04:18:54PM +0100, Siamashka Siarhei (Nokia-D/Helsinki) wrote: > On Monday 04 January 2010 16:25:49 ext Russell King - ARM Linux wrote: > > On Mon, Jan 04, 2010 at 04:15:26PM +0200, Siarhei Siamashka wrote: > > > On Saturday 13 June 2009 20:04:06 ext Russell King - ARM Linux wrote: > > > > - wait for a new patch which includes these other registers and not > > > > have any ABI visible changes to contend with > > > > > > Sorry for bumping this old thread, but what is the current status of > > > these patches? > > > > What happened was that the 2nd option was decided upon, and then the > > thread died, and probably everyone forgot about it. > > > > So, I'm doing exactly what I said I'd do in the second option. I'm just > > still waiting some six months on... > > OK, it's understandable. The issue just got a bit more popular now than it > used to be six months ago. > > > If someone comes up with a tested patch, then its something we should > > sort out. > > Thanks for clarifying the situation. Jamie, you raised the question of FP emulation in user space; could you provide the VFP registers needed for that in addition to the already saved ones? With that info I could update the patch so it's acceptable for everyone. Thanks, Imre