diff options
| author | JP Abgrall <jpa@google.com> | 2012-04-24 21:45:20 -0700 |
|---|---|---|
| committer | JP Abgrall <jpa@google.com> | 2012-04-24 21:45:20 -0700 |
| commit | 10add970b62d2276541af9e5fb0581d6d8434db4 (patch) | |
| tree | afd79e8507c5fa243c044a6963072b6a6d0f059b /arch/arm/Kconfig | |
| parent | 9cea9c804af57f8538dc910e24c407c81e496e51 (diff) | |
| parent | 66510aa1148e3457e7d46e0a2582dac7c591b95d (diff) | |
| download | kernel_samsung_crespo-10add970b62d2276541af9e5fb0581d6d8434db4.zip kernel_samsung_crespo-10add970b62d2276541af9e5fb0581d6d8434db4.tar.gz kernel_samsung_crespo-10add970b62d2276541af9e5fb0581d6d8434db4.tar.bz2 | |
Merge remote-tracking branch 'common/android-3.0' into android-samsung-30-wip-mergedown
* common/android-3.0: (1178 commits)
cpufreq: interactive: remove unused target_validate_time_in_idle
cpufreq: interactive: Boost frequency on touchscreen input
cpufreq: Separate speed target revalidate time and initial set time
cpufreq: interactive: based hispeed bump on target freq, not actual
cpufreq: interactive: adjust code and documentation to match
cpufreq: interactive: configurable delay before raising above hispeed
sync: add poll support
sw_sync: add fill_driver_data support
sync: add ioctl to get fence data
sw_sync: add debug support
sync: add debugfs support
sync: add timestamps to sync_pts
sw_sync: add cpu based sync driver
sync: Add synchronization framework
Linux 3.0.28
Bluetooth: Fix l2cap conn failures for ssp devices
TOMOYO: Fix mount flags checking order.
iommu/amd: Make sure IOMMU interrupts are re-enabled on resume
cred: copy_process() should clear child->replacement_session_keyring
ASoC: ak4642: fixup: mute needs +1 step
...
Conflicts:
mm/compaction.c
Change-Id: I3dc59225d2435eddbed0c639155179e580891ac8
Signed-off-by: JP Abgrall <jpa@google.com>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7646084..f69529e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1180,7 +1180,7 @@ config ARM_ERRATA_743622 depends on CPU_V7 help This option enables the workaround for the 743622 Cortex-A9 - (r2p0..r2p2) erratum. Under very rare conditions, a faulty + (r2p*) erratum. Under very rare conditions, a faulty optimisation in the Cortex-A9 Store Buffer may lead to data corruption. This workaround sets a specific bit in the diagnostic register of the Cortex-A9 which disables the Store Buffer @@ -1313,6 +1313,18 @@ config ARM_ERRATA_764369 relevant cache maintenance functions and sets a specific bit in the diagnostic control register of the SCU. +config PL310_ERRATA_769419 + bool "PL310 errata: no automatic Store Buffer drain" + depends on CACHE_L2X0 + help + On revisions of the PL310 prior to r3p2, the Store Buffer does + not automatically drain. This can cause normal, non-cacheable + writes to be retained when the memory system is idle, leading + to suboptimal I/O performance for drivers using coherent DMA. + This option adds a write barrier to the cpu_idle loop so that, + on systems with an outer cache, the store buffer is drained + explicitly. + endmenu menu "Kernel Features" |