From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Ottawa [topics] Date: Thu, 17 Mar 2005 09:52:47 +0100 Message-ID: <20050317085247.GA6719@elf.ucw.cz> References: <1111034693.3240.92.camel@desktop.cunningham.myip.net.au> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============40798101687630872==" In-Reply-To: <1111034693.3240.92.camel-r49W/1Cwd2ff0s6lnCXPX/uOuaPYTxhvJwvTLr3MMZM@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces-qjLDD68F18O7TbgM5vRIOg@public.gmane.org Errors-To: linux-pm-bounces-qjLDD68F18O7TbgM5vRIOg@public.gmane.org To: Nigel Cunningham Cc: David Brownell , Linux-pm mailing list , Adam Belay List-Id: linux-pm@vger.kernel.org --===============40798101687630872== Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by smtp.osdl.org id j2H8rAqh020374 On =C4=8Ct 17-03-05 15:44:53, Nigel Cunningham wrote: > Hi. >=20 > On Thu, 2005-03-17 at 15:11, Alan Stern wrote: > > On Wed, 16 Mar 2005, David Brownell wrote: > >=20 > > > > Wether the system IRQs must be masked or not is one thing that is > > > > platform specific during suspend. Wether devices must stop their = IRQ > > > > emission, well...=20 > > >=20 > > > What's a "system IRQ" as opposed to any other kind? Drivers don't > > > generally know or care how their IRQs are routed, they just care > > > that they get a callback. > >=20 > > Given that on some platforms it's necessary to leave some IRQs enable= d for=20 > > remote wakeup to work, the definitions of FREEZE and SUSPEND need to = be=20 > > changed. A quiesced device does not perform DMA and does not generat= e=20 > > interrupt requests _except_ that it may issue wakeup requests (which = may=20 > > be IRQs) if it is enabled for remote wakeup. >=20 > I don't think the definition of FREEZE needs to be changed because - > unless I misunderstand - it is only used when swsusp and Suspend2 are > doing their atomic copies. Pavel, is this right? Yes, I think so. Pavel --=20 People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! --===============40798101687630872== Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable --===============40798101687630872==--