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| author | Grant Likely <grant.likely@secretlab.ca> | 2011-03-12 09:25:53 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-03-12 09:25:53 +0100 |
| commit | 9c3c8afccb6a163fd2be739f511e863eab668702 (patch) | |
| tree | e587a5377ada98fed8cfa6c8ee63125361f2818a /arch/arm/Kconfig | |
| parent | of_mmc_spi: add card detect irq support (diff) | |
| parent | Linux 2.6.38-rc8 (diff) | |
| download | linux-9c3c8afccb6a163fd2be739f511e863eab668702.tar.xz linux-9c3c8afccb6a163fd2be739f511e863eab668702.zip | |
Merge commit 'v2.6.38-rc8' into spi/next
Conflicts:
drivers/spi/pxa2xx_spi_pci.c
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 5cff165b7eb0..166efa2a19cd 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 |