From c00d75db9b1cf3e5eaa8d3f1ab97377fd53ef6d2 Mon Sep 17 00:00:00 2001 From: Josh Boyer Date: Mon, 10 Aug 2015 07:58:33 -0400 Subject: [PATCH] Linux v4.2-rc6 --- ...ge_bvec-regression-on-32-bit-systems.patch | 83 ------------------- kernel.spec | 9 +- sources | 3 +- 3 files changed, 6 insertions(+), 89 deletions(-) delete mode 100644 0001-dm-fix-dm_merge_bvec-regression-on-32-bit-systems.patch diff --git a/0001-dm-fix-dm_merge_bvec-regression-on-32-bit-systems.patch b/0001-dm-fix-dm_merge_bvec-regression-on-32-bit-systems.patch deleted file mode 100644 index 621a2f2f2..000000000 --- a/0001-dm-fix-dm_merge_bvec-regression-on-32-bit-systems.patch +++ /dev/null @@ -1,83 +0,0 @@ -From c9de2830476185f839e6cf3f9a0e5d258a534d5d Mon Sep 17 00:00:00 2001 -From: Mike Snitzer -Date: Mon, 3 Aug 2015 09:54:58 -0400 -Subject: [PATCH] dm: fix dm_merge_bvec regression on 32 bit systems - -A DM regression on 32 bit systems was reported against v4.2-rc3 here: -https://lkml.org/lkml/2015/7/29/401 - -Fix this by reverting both commit 1c220c69 ("dm: fix casting bug in -dm_merge_bvec()") and 148e51ba ("dm: improve documentation and code -clarity in dm_merge_bvec"). This combined revert is done to eliminate -the possibility of a partial revert in stable@ kernels. - -In hindsight the correct fix, at the time 1c220c69 was applied to fix -the regression that 148e51ba introduced, should've been to simply revert -148e51ba. - -Reported-by: Josh Boyer -Acked-by: Joe Thornber -Signed-off-by: Mike Snitzer -Cc: stable@vger.kernel.org # 3.19+ ---- - drivers/md/dm.c | 27 ++++++++++----------------- - 1 file changed, 10 insertions(+), 17 deletions(-) - -diff --git a/drivers/md/dm.c b/drivers/md/dm.c -index ab37ae114e94..0d7ab20c58df 100644 ---- a/drivers/md/dm.c -+++ b/drivers/md/dm.c -@@ -1729,7 +1729,8 @@ static int dm_merge_bvec(struct request_queue *q, - struct mapped_device *md = q->queuedata; - struct dm_table *map = dm_get_live_table_fast(md); - struct dm_target *ti; -- sector_t max_sectors, max_size = 0; -+ sector_t max_sectors; -+ int max_size = 0; - - if (unlikely(!map)) - goto out; -@@ -1742,18 +1743,10 @@ static int dm_merge_bvec(struct request_queue *q, - * Find maximum amount of I/O that won't need splitting - */ - max_sectors = min(max_io_len(bvm->bi_sector, ti), -- (sector_t) queue_max_sectors(q)); -+ (sector_t) BIO_MAX_SECTORS); - max_size = (max_sectors << SECTOR_SHIFT) - bvm->bi_size; -- -- /* -- * FIXME: this stop-gap fix _must_ be cleaned up (by passing a sector_t -- * to the targets' merge function since it holds sectors not bytes). -- * Just doing this as an interim fix for stable@ because the more -- * comprehensive cleanup of switching to sector_t will impact every -- * DM target that implements a ->merge hook. -- */ -- if (max_size > INT_MAX) -- max_size = INT_MAX; -+ if (max_size < 0) -+ max_size = 0; - - /* - * merge_bvec_fn() returns number of bytes -@@ -1761,13 +1754,13 @@ static int dm_merge_bvec(struct request_queue *q, - * max is precomputed maximal io size - */ - if (max_size && ti->type->merge) -- max_size = ti->type->merge(ti, bvm, biovec, (int) max_size); -+ max_size = ti->type->merge(ti, bvm, biovec, max_size); - /* - * If the target doesn't support merge method and some of the devices -- * provided their merge_bvec method (we know this by looking for the -- * max_hw_sectors that dm_set_device_limits may set), then we can't -- * allow bios with multiple vector entries. So always set max_size -- * to 0, and the code below allows just one page. -+ * provided their merge_bvec method (we know this by looking at -+ * queue_max_hw_sectors), then we can't allow bios with multiple vector -+ * entries. So always set max_size to 0, and the code below allows -+ * just one page. - */ - else if (queue_max_hw_sectors(q) <= PAGE_SIZE >> 9) - max_size = 0; --- -2.4.3 - diff --git a/kernel.spec b/kernel.spec index 9292a5767..156996329 100644 --- a/kernel.spec +++ b/kernel.spec @@ -65,9 +65,9 @@ Summary: The Linux kernel # The next upstream release sublevel (base_sublevel+1) %define upstream_sublevel %(echo $((%{base_sublevel} + 1))) # The rc snapshot level -%define rcrev 5 +%define rcrev 6 # The git snapshot level -%define gitrev 3 +%define gitrev 0 # Set rpm version accordingly %define rpmversion 4.%{upstream_sublevel}.0 %endif @@ -582,8 +582,6 @@ Patch502: firmware-Drop-WARN-from-usermodehelper_read_trylock-.patch Patch503: drm-i915-turn-off-wc-mmaps.patch -Patch505: 0001-dm-fix-dm_merge_bvec-regression-on-32-bit-systems.patch - #rhbz 1244511 Patch507: HID-chicony-Add-support-for-Acer-Aspire-Switch-12.patch @@ -2026,6 +2024,9 @@ fi # # %changelog +* Sun Aug 09 2015 Josh Boyer - 4.2.0-0.rc6.git0.1 +- Linux v4.2-rc6 + * Fri Aug 07 2015 Josh Boyer - 4.2.0-0.rc5.git3.1 - Linux v4.2-rc5-78-g49d7c6559bf2 diff --git a/sources b/sources index c6744a0dd..40d864473 100644 --- a/sources +++ b/sources @@ -1,4 +1,3 @@ fe9dc0f6729f36400ea81aa41d614c37 linux-4.1.tar.xz 84e34c2f58901edcc5c840fe9893c02e perf-man-4.1.tar.gz -6715134ec734556d5212594061680c0a patch-4.2-rc5.xz -24bc87e61323cb25c4a585a7a66917f6 patch-4.2-rc5-git3.xz +91449a3a20ecc0e23e288efdff2095dd patch-4.2-rc6.xz