Date: Tue, 4 Aug 2015 09:30:30 +0100 From: Steven Hartland <steven@multiplay.co.uk> To: Warner Losh <imp@bsdimp.com>, Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: Julian Elischer <julian@freebsd.org>, Konstantin Belousov <kostikbel@gmail.com>, Peter Wemm <peter@wemm.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r286223 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <55C07826.9070002@multiplay.co.uk> In-Reply-To: <CFB4CACC-E730-47BD-905D-03F8DCF863F9@bsdimp.com> References: <201508030934.t739YAkT026668@repo.freebsd.org> <20150803094730.GA24698@zxy.spb.ru> <55BF431E.3020601@freebsd.org> <2757800.HIDNx1G49O@overcee.wemm.org> <20150803111942.GB2072@kib.kiev.ua> <55BF557B.60009@multiplay.co.uk> <20150803120359.GC2072@kib.kiev.ua> <55BFC296.5050402@freebsd.org> <20150803194412.GC8792@zxy.spb.ru> <CFB4CACC-E730-47BD-905D-03F8DCF863F9@bsdimp.com>
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On 03/08/2015 21:48, Warner Losh wrote: >> On Aug 3, 2015, at 1:44 PM, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: >> >> On Tue, Aug 04, 2015 at 03:35:50AM +0800, Julian Elischer wrote: >> >>> On 8/3/15 8:03 PM, Konstantin Belousov wrote: >>>> On Mon, Aug 03, 2015 at 12:50:19PM +0100, Steven Hartland wrote: >>>>> For this change I don't want to get into fixing the thread0 stack size, >>>>> which can be done later, just >>>>> to provide a reasonable warning to the user that smaller values could >>>>> cause a panic. >>>> Hmm, is it limited to the thread0 only ? I.e., would only increasing >>>> the initial thread stack size be enough to boot the kernel ? The zfs >>>> threads do request larger stack size, I know this. >>>> >>>> Can somebody test the following patch in the i386 configuration which >>>> does not boot ? >>> I think this is a reasonable thing to do. Thread0 (and proc0) are special. >>> I don't see why giving it a specially sized stack would be a problem. >> This is always do for ARM. >> May be need increase stack size for Thread0 on ARM too? > Seems reasonable. There should be a MI way of doing this, but all the code and defines are buried in MD files, so each architecture needs some love to make this a reality. > > Warner In the mean time are people happier with https://reviews.freebsd.org/D3279 or should I just leave it using the #define until someone has time to work on a full solution? Regards Steve
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