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Filename Latest commit message Latest commit date
Saravana Kannan a27e0934de FROMGIT: driver core: Call sync_state() even if supplier has no consumers
The initial patch that added sync_state() support didn't handle the case
where a supplier has no consumers. This was because when a device is
successfully bound with a driver, only its suppliers were checked to see
if they are eligible to get a sync_state(). This is not sufficient for
devices that have no consumers but still need to do device state clean
up. So fix this.

Fixes: fc5a251d0fd7ca90 (driver core: Add sync_state driver/bus callback)
Signed-off-by: Saravana Kannan <saravanak@google.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200221080510.197337-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 21eb93f432b1a785df193df1a56a59e9eb3a985f
https: //git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-linus)
Bug: 150980623
Change-Id: I9bebc164f00d7797501f40080c12a04dbe3095b1
2020-03-06 16:14:26 -08:00
arch This is the 5.4.24 stable release 2020-03-05 17:42:40 +01:00
block ANDROID: block: Prevent crypto fallback for wrapped keys 2020-02-25 19:27:51 +00:00
certs
crypto This is the 5.4.23 stable release 2020-03-01 10:17:44 +01:00
Documentation ANDROID: cpufreq: times: Remove /proc/uid_concurrent_{active,policy}_time 2020-03-06 20:22:52 +00:00
drivers FROMGIT: driver core: Call sync_state() even if supplier has no consumers 2020-03-06 16:14:26 -08:00
fs Revert "ANDROID: proc: Add /proc/uid directory" 2020-03-06 20:23:08 +00:00
include ANDROID: cpufreq: times: Remove per-UID time in state tracking 2020-03-06 20:23:16 +00:00
init This is the 5.4.24 stable release 2020-03-05 17:42:40 +01:00
ipc This is the 5.4.23 stable release 2020-03-01 10:17:44 +01:00
kernel Revert "ANDROID: proc: Add /proc/uid directory" 2020-03-06 20:23:08 +00:00
lib FROMLIST: lib: test_stackinit.c: XFAIL switch variable init tests 2020-03-06 18:56:31 +00:00
LICENSES
mm This is the 5.4.24 stable release 2020-03-05 17:42:40 +01:00
net This is the 5.4.24 stable release 2020-03-05 17:42:40 +01:00
samples samples/bpf: Set -fno-stack-protector when building BPF programs 2020-02-24 08:36:36 +01:00
scripts This is the 5.4.24 stable release 2020-03-05 17:42:40 +01:00
security This is the 5.4.24 stable release 2020-03-05 17:42:40 +01:00
sound This is the 5.4.23 stable release 2020-03-01 10:17:44 +01:00
tools This is the 5.4.24 stable release 2020-03-05 17:42:40 +01:00
usr kbuild: move headers_check rule to usr/include/Makefile 2020-03-05 16:43:47 +01:00
virt KVM: Check for a bad hva before dropping into the ghc slow path 2020-03-05 16:43:48 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
abi_gki_aarch64.xml ANDROID: abi_gki_aarch64_whitelist: add module_layout and task_struct 2020-03-04 23:09:20 +00:00
abi_gki_aarch64_cuttlefish_whitelist ANDROID: ABI/Whitelist: update for Cuttlefish 2020-02-13 19:58:58 +00:00
abi_gki_aarch64_db845c_whitelist ANDROID: ABI/Whitelist: update for db845c 2020-02-13 19:59:22 +00:00
abi_gki_aarch64_unisoc_whitelist ANDROID: ABI/Whitelist: update for unisoc 2020-02-27 16:51:29 +08:00
abi_gki_aarch64_whitelist ANDROID: abi_gki_aarch64_whitelist: add module_layout and task_struct 2020-03-04 23:09:20 +00:00
build.config.aarch64 ANDROID: support GKI image that contains an uncompressed Kernel Image. 2020-02-06 11:14:03 +00:00
build.config.allmodconfig ANDROID: Don't base allmodconfig on gki_defconfig 2019-12-05 13:18:31 +00:00
build.config.allmodconfig.aarch64
build.config.allmodconfig.x86_64
build.config.common ANDROID: clang: update to 10.0.4 2020-02-19 19:33:24 +00:00
build.config.cuttlefish.aarch64 ANDROID: cf build: Use merge_configs 2020-02-18 21:18:26 +00:00
build.config.cuttlefish.x86_64 ANDROID: cf build: Use merge_configs 2020-02-18 21:18:26 +00:00
build.config.db845c ANDROID: db845c: Add build config 2020-01-15 21:13:30 +00:00
build.config.gki ANDROID: gki: Removed cf modules from gki_defconfig 2020-01-31 16:34:58 -08:00
build.config.gki.aarch64 ANDROID: build.config.gki.aarch64: enable symbol trimming 2020-02-28 10:55:21 +00:00
build.config.gki.x86_64
build.config.x86_64
COPYING
CREDITS
cuttlefish.fragment ANDROID: gki: Enable BINFMT_MISC as part of GKI 2020-02-27 22:58:26 +00:00
Kbuild
Kconfig
MAINTAINERS This is the 5.4.23 stable release 2020-03-01 10:17:44 +01:00
Makefile ANDROID: CC_FLAGS_CFI add -fno-sanitize-blacklist 2020-03-05 22:14:59 +00:00
README
README.md

How do I submit patches to Android Common Kernels

  1. BEST: Make all of your changes to upstream Linux. If appropriate, backport to the stable releases. These patches will be merged automatically in the corresponding common kernels. If the patch is already in upstream Linux, post a backport of the patch that conforms to the patch requirements below.

  2. LESS GOOD: Develop your patches out-of-tree (from an upstream Linux point-of-view). Unless these are fixing an Android-specific bug, these are very unlikely to be accepted unless they have been coordinated with kernel-team@android.com. If you want to proceed, post a patch that conforms to the patch requirements below.

Common Kernel patch requirements

  • All patches must conform to the Linux kernel coding standards and pass script/checkpatch.pl
  • Patches shall not break gki_defconfig or allmodconfig builds for arm, arm64, x86, x86_64 architectures (see https://source.android.com/setup/build/building-kernels)
  • If the patch is not merged from an upstream branch, the subject must be tagged with the type of patch: UPSTREAM:, BACKPORT:, FROMGIT:, FROMLIST:, or ANDROID:.
  • All patches must have a Change-Id: tag (see https://gerrit-review.googlesource.com/Documentation/user-changeid.html)
  • If an Android bug has been assigned, there must be a Bug: tag.
  • All patches must have a Signed-off-by: tag by the author and the submitter

Additional requirements are listed below based on patch type

Requirements for backports from mainline Linux: UPSTREAM:, BACKPORT:

  • If the patch is a cherry-pick from Linux mainline with no changes at all
    • tag the patch subject with UPSTREAM:.
    • add upstream commit information with a (cherry-picked from ...) line
    • Example:
      • if the upstream commit message is
        important patch from upstream

        This is the detailed description of the important patch

        Signed-off-by: Fred Jones <fred.jones@foo.org>
    - then Joe Smith would upload the patch for the common kernel as
        UPSTREAM: important patch from upstream

        This is the detailed description of the important patch

        Signed-off-by: Fred Jones <fred.jones@foo.org>

        Bug: 135791357
        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
        (cherry-picked from c31e73121f4c1ec41143423ac6ce3ce6dafdcec1)
        Signed-off-by: Joe Smith <joe.smith@foo.org>
  • If the patch requires any changes from the upstream version, tag the patch with BACKPORT: instead of UPSTREAM:.
    • use the same tags as UPSTREAM:
    • add comments about the changes under the (cherry-picked from ...) line
    • Example:
        BACKPORT: important patch from upstream

        This is the detailed description of the important patch

        Signed-off-by: Fred Jones <fred.jones@foo.org>

        Bug: 135791357
        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
        (cherry-picked from c31e73121f4c1ec41143423ac6ce3ce6dafdcec1)
        [ Resolved minor conflict in drivers/foo/bar.c ]
        Signed-off-by: Joe Smith <joe.smith@foo.org>

Requirements for other backports: FROMGIT:, FROMLIST:,

  • If the patch has been merged into an upstream maintainer tree, but has not yet been merged into Linux mainline
    • tag the patch subject with FROMGIT:
    • add info on where the patch came from as (cherry picked from commit <sha1> <repo> <branch>). This must be a stable maintainer branch (not rebased, so don't use linux-next for example).
    • if changes were required, use BACKPORT: FROMGIT:
    • Example:
      • if the commit message in the maintainer tree is
        important patch from upstream

        This is the detailed description of the important patch

        Signed-off-by: Fred Jones <fred.jones@foo.org>
    - then Joe Smith would upload the patch for the common kernel as
        FROMGIT: important patch from upstream

        This is the detailed description of the important patch

        Signed-off-by: Fred Jones <fred.jones@foo.org>

        Bug: 135791357
        (cherry picked from commit 878a2fd9de10b03d11d2f622250285c7e63deace
         https://git.kernel.org/pub/scm/linux/kernel/git/foo/bar.git test-branch)
        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
        Signed-off-by: Joe Smith <joe.smith@foo.org>
  • If the patch has been submitted to LKML, but not accepted into any maintainer tree
    • tag the patch subject with FROMLIST:
    • add a Link: tag with a link to the submittal on lore.kernel.org
    • if changes were required, use BACKPORT: FROMLIST:
    • Example:
        FROMLIST: important patch from upstream

        This is the detailed description of the important patch

        Signed-off-by: Fred Jones <fred.jones@foo.org>

        Bug: 135791357
        Link: https://lore.kernel.org/lkml/20190619171517.GA17557@someone.com/
        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
        Signed-off-by: Joe Smith <joe.smith@foo.org>

Requirements for Android-specific patches: ANDROID:

  • If the patch is fixing a bug to Android-specific code
    • tag the patch subject with ANDROID:
    • add a Fixes: tag that cites the patch with the bug
    • Example:
        ANDROID: fix android-specific bug in foobar.c

        This is the detailed description of the important fix

        Fixes: 1234abcd2468 ("foobar: add cool feature")
        Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
        Signed-off-by: Joe Smith <joe.smith@foo.org>
  • If the patch is a new feature
    • tag the patch subject with ANDROID:
    • add a Bug: tag with the Android bug (required for android-specific features)