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| author | Grant Likely <grant.likely@secretlab.ca> | 2010-10-18 09:25:09 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-10-18 09:25:09 -0600 |
| commit | db181a8ee158fd0ccea2e2670c4f2d36af2814a0 (patch) | |
| tree | d03adc3926b4aca7ee172d825b90fe965b4f01b9 /arch/arm/Kconfig | |
| parent | ee2007d299ad4020115b193858817e6c57e95db5 (diff) | |
| parent | 9c0a788b4315b83f6138ffa15c56ccf541106e58 (diff) | |
Merge branch 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin into spi/next
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 88c97bc7a6f5..9c26ba7244fb 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1101,6 +1101,20 @@ config ARM_ERRATA_720789 invalidated are not, resulting in an incoherency in the system page tables. The workaround changes the TLB flushing routines to invalidate entries regardless of the ASID. + +config ARM_ERRATA_743622 + bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption" + depends on CPU_V7 + help + This option enables the workaround for the 743622 Cortex-A9 + (r2p0..r2p2) 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 + optimisation, preventing the defect from occurring. This has no + visible impact on the overall performance or power consumption of the + processor. + endmenu source "arch/arm/common/Kconfig" |