From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3B9FF2C00A6 for ; Wed, 29 Jan 2014 07:20:12 +1100 (EST) Message-ID: <1390940395.8524.25.camel@pasglop> Subject: Re: [git pull] Please pull powerpc.git next branch From: Benjamin Herrenschmidt To: Olaf Hering Date: Wed, 29 Jan 2014 07:19:55 +1100 In-Reply-To: <20140128150309.GA7428@aepfle.de> References: <1390883744.3872.76.camel@pasglop> <20140128091607.GA24288@aepfle.de> <20140128150309.GA7428@aepfle.de> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: Alistair Popple , Linus Torvalds , linuxppc-dev , Linux Kernel list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 2014-01-28 at 16:03 +0100, Olaf Hering wrote: > > d084775738b746648d4102337163a04534a02982 is the first bad commit > commit d084775738b746648d4102337163a04534a02982 > Author: Alistair Popple > Date: Mon Dec 9 18:17:03 2013 +1100 > > powerpc/iommu: Update the generic code to use dynamic iommu page sizes > > This patch updates the generic iommu backend code to use the > it_page_shift field to determine the iommu page size instead of > using hardcoded values. Interesting. This is new infrastructure but a nop in functionality, ie, we support different page sizes for DMA but we still set it to 4k, unless we somewhat failed to initialize something... I'll have a look, I actually have one of those G5s here still. Thanks ! Cheers, Ben. > Signed-off-by: Alistair Popple > Signed-off-by: Benjamin Herrenschmidt > > :040000 040000 52a8e1ca3166e3c916f8cdc1df5c1f42c76b2359 3d4915e416b28501ff502305bd4f76d64153dbc4 M arch > :040000 040000 e9a9020abbef5622ffa1be381e0ff845e3741fa9 d6fc206dd372c1a8deded826cc5de8b05f71c614 M drivers > > # git bisect log > git bisect start > # good: [b2e448eca1a52fea181905845728ae00a138d84e] Merge branch 'ipmi' (ipmi patches from Corey Minyard) > git bisect good b2e448eca1a52fea181905845728ae00a138d84e > # bad: [54c0a4b46150db1571d955d598cd342c9f1d9657] Merge branch 'akpm' (incoming from Andrew) > git bisect bad 54c0a4b46150db1571d955d598cd342c9f1d9657 > # good: [403227641533c4227d44d14f25c8f3676f6e7436] softirq: convert printks to pr_ > git bisect good 403227641533c4227d44d14f25c8f3676f6e7436 > # bad: [8b52312880ecbc5beb40b313600f2903c16a59ed] powerpc/p1010rdb-pa: modify phy interrupt. > git bisect bad 8b52312880ecbc5beb40b313600f2903c16a59ed > # good: [2c49195b6aedd21ff1cd1e095fab9866fba3411b] powernv: Remove get/set_rtc_time when they are not present > git bisect good 2c49195b6aedd21ff1cd1e095fab9866fba3411b > # bad: [a68c33f3592eef63304a5f5ab68466539ccac56c] powerpc: Fix endian issues in power7/8 machine check handler > git bisect bad a68c33f3592eef63304a5f5ab68466539ccac56c > # good: [c34a51ce49b40b9667cd7f5cc2e40475af8b4c3d] powerpc/mm: Enable _PAGE_NUMA for book3s > git bisect good c34a51ce49b40b9667cd7f5cc2e40475af8b4c3d > # good: [fee26f6d5d68a8815b20c32d15dd70d5384eb937] powerpc: Remove unused REDBOOT Kconfig parameter > git bisect good fee26f6d5d68a8815b20c32d15dd70d5384eb937 > # good: [3a553170d35d69bea3877bffa508489dfa6f133d] powerpc/iommu: Add it_page_shift field to determine iommu page size > git bisect good 3a553170d35d69bea3877bffa508489dfa6f133d > # bad: [d084775738b746648d4102337163a04534a02982] powerpc/iommu: Update the generic code to use dynamic iommu page sizes > git bisect bad d084775738b746648d4102337163a04534a02982 > # first bad commit: [d084775738b746648d4102337163a04534a02982] powerpc/iommu: Update the generic code to use dynamic iommu page sizes >