Date: Wed, 04 Sep 2013 07:45:35 -0500 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Alexander Motin <mav@FreeBSD.org> Cc: freebsd-geom@freebsd.org, freebsd-hackers@freebsd.org, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, FreeBSD SCSI <freebsd-scsi@freebsd.org>, =?windows-1252?Q?Olivier_Cochard-Labb=E9?= <olivier@cochard.me>, Outback Dingo <outbackdingo@gmail.com> Subject: Re: [RFC][CFT] GEOM direct dispatch and fine-grained CAM locking Message-ID: <52272B6F.9060308@freebsd.org> In-Reply-To: <5226DAB0.1060303@FreeBSD.org> References: <520D4ADB.50209@FreeBSD.org> <5224511D.4090503@FreeBSD.org> <20130903134251.GB43281@caravan.chchile.org> <CAKYr3zwjQ9K1c5smZXTESa3T5UnchYaipYQCS2OAJOUFyPBGww@mail.gmail.com> <CA%2Bq%2BTcoeHDbkCOXvBjbbzOKCbb7RLYqG0jn9bHNn_CZgLGarLg@mail.gmail.com> <5226DAB0.1060303@FreeBSD.org>
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On 09/04/13 02:01, Alexander Motin wrote: > On 04.09.2013 00:48, Olivier Cochard-Labbé wrote: >> On Tue, Sep 3, 2013 at 8:10 PM, Outback Dingo >> <outbackdingo@gmail.com> wrote: >>> Can anyone confirm how well tested/stable this patch set might be?? if >>> theres positive input i have a zoo of dev machines i could load it >>> on, to >>> help further it. >>> Just checking to see how widely its been tested, >> >> I've installed this patch on 3 differents machines there status after >> about 12hours: >> - SUN FIRE X4170 M2 (amd64: r255178) with 6 SAS harddrives in one big >> zraid (LSI MegaSAS Gen2 controller): Used for generating package with >> poudriere… no probleme since; >> - HAL/Fujitsu SPARC64-V (sparc64: r255178) with two SCSI-3 disks in >> gmirror: Used for generating package with poudriere too… no probleme >> since; > > I've forgot to mention, but GEOM direct dispatch is now active only on > x86 because GET_STACK_USAGE macro now defined only there and I wanted > to stay on a safe side. On other archs GEOM works in old queued way. > Somebody should port that small macro to other archs. But that is > still interesting data point. Thanks. Could you describe what this macro is supposed to do so that we can do the porting work? -Nathan
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