2016-01-13 John.C.Harrison@xxxxxxxxx <John.C.Harrison@xxxxxxxxx>: > From: John Harrison <John.C.Harrison@xxxxxxxxx> > > The sync framework is now used by the i915 driver. Therefore it can be > moved out of staging and into the regular tree. Also, the public > interfaces can actually be made public and exported. > > v0.3: New patch for series. > > Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx> > Signed-off-by: Geoff Miller <geoff.miller@xxxxxxxxx> > Cc: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Arve Hjønnevåg <arve@xxxxxxxxxxx> > Cc: Riley Andrews <riandrews@xxxxxxxxxxx> > --- > drivers/android/Kconfig | 28 ++ > drivers/android/Makefile | 2 + > drivers/android/sw_sync.c | 260 ++++++++++++ > drivers/android/sw_sync.h | 59 +++ > drivers/android/sync.c | 734 +++++++++++++++++++++++++++++++++ > drivers/android/sync.h | 366 ++++++++++++++++ > drivers/android/sync_debug.c | 255 ++++++++++++ > drivers/android/trace/sync.h | 82 ++++ > drivers/staging/android/Kconfig | 28 -- > drivers/staging/android/Makefile | 2 - > drivers/staging/android/sw_sync.c | 260 ------------ > drivers/staging/android/sw_sync.h | 59 --- > drivers/staging/android/sync.c | 734 --------------------------------- > drivers/staging/android/sync.h | 366 ---------------- > drivers/staging/android/sync_debug.c | 255 ------------ > drivers/staging/android/trace/sync.h | 82 ---- > drivers/staging/android/uapi/sw_sync.h | 32 -- > drivers/staging/android/uapi/sync.h | 97 ----- > include/uapi/Kbuild | 1 + > include/uapi/sync/Kbuild | 3 + > include/uapi/sync/sw_sync.h | 32 ++ > include/uapi/sync/sync.h | 97 +++++ > 22 files changed, 1919 insertions(+), 1915 deletions(-) > create mode 100644 drivers/android/sw_sync.c > create mode 100644 drivers/android/sw_sync.h > create mode 100644 drivers/android/sync.c > create mode 100644 drivers/android/sync.h > create mode 100644 drivers/android/sync_debug.c > create mode 100644 drivers/android/trace/sync.h > delete mode 100644 drivers/staging/android/sw_sync.c > delete mode 100644 drivers/staging/android/sw_sync.h > delete mode 100644 drivers/staging/android/sync.c > delete mode 100644 drivers/staging/android/sync.h > delete mode 100644 drivers/staging/android/sync_debug.c > delete mode 100644 drivers/staging/android/trace/sync.h > delete mode 100644 drivers/staging/android/uapi/sw_sync.h > delete mode 100644 drivers/staging/android/uapi/sync.h > create mode 100644 include/uapi/sync/Kbuild > create mode 100644 include/uapi/sync/sw_sync.h > create mode 100644 include/uapi/sync/sync.h > > diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig > index bdfc6c6..9edcd8f 100644 > --- a/drivers/android/Kconfig > +++ b/drivers/android/Kconfig > @@ -32,6 +32,34 @@ config ANDROID_BINDER_IPC_32BIT > > Note that enabling this will break newer Android user-space. > > +config SYNC > + bool "Synchronization framework" > + default n > + select ANON_INODES > + select DMA_SHARED_BUFFER > + ---help--- > + This option enables the framework for synchronization between multiple > + drivers. Sync implementations can take advantage of hardware > + synchronization built into devices like GPUs. > + > +config SW_SYNC > + bool "Software synchronization objects" > + default n > + depends on SYNC > + ---help--- > + A sync object driver that uses a 32bit counter to coordinate > + synchronization. Useful when there is no hardware primitive backing > + the synchronization. > + > +config SW_SYNC_USER > + bool "Userspace API for SW_SYNC" > + default n > + depends on SW_SYNC > + ---help--- > + Provides a user space API to the sw sync object. > + *WARNING* improper use of this can result in deadlocking kernel > + drivers from userspace. Also, SW_SYNC_USER is a way too dangerous to be upstreamed a /dev file because as the warning says it can deadlock the kernel. What I did in my patches was to move the sw_sync_user features to a debugfs file. Gustavo _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
