diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-03-15 08:29:44 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-15 08:29:44 +0100 |
| commit | 8460b3e5bc64955aeefdd8357b3bf7b5ff79b3f2 (patch) | |
| tree | 7e5f6d050b72ab08a4497e82a4a103fefb086e80 /arch/arm/Kconfig | |
| parent | 56396e6823fe9b42fe9cf9403d6ed67756255f70 (diff) | |
| parent | 521cb40b0c44418a4fd36dc633f575813d59a43d (diff) | |
Merge commit 'v2.6.38' into x86/mm
Conflicts:
arch/x86/mm/numa_64.c
Merge reason: Resolve the conflict, update the branch to .38.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5cff165b7eb..166efa2a19c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1177,6 +1177,31 @@ config ARM_ERRATA_743622 visible impact on the overall performance or power consumption of the processor. +config ARM_ERRATA_751472 + bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" + depends on CPU_V7 && SMP + help + This option enables the workaround for the 751472 Cortex-A9 (prior + to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the + completion of a following broadcasted operation if the second + operation is received by a CPU before the ICIALLUIS has completed, + potentially leading to corrupted entries in the cache or TLB. + +config ARM_ERRATA_753970 + bool "ARM errata: cache sync operation may be faulty" + depends on CACHE_PL310 + help + This option enables the workaround for the 753970 PL310 (r3p0) erratum. + + Under some condition the effect of cache sync operation on + the store buffer still remains when the operation completes. + This means that the store buffer is always asked to drain and + this prevents it from merging any further writes. The workaround + is to replace the normal offset of cache sync operation (0x730) + by another offset targeting an unmapped PL310 register 0x740. + This has the same effect as the cache sync operation: store buffer + drain and waiting for all buffers empty. + endmenu source "arch/arm/common/Kconfig" @@ -1391,7 +1416,7 @@ config AEABI config OABI_COMPAT bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" - depends on AEABI && EXPERIMENTAL + depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL default y help This option preserves the old syscall interface along with the |