| Message ID | 20190828133151.20585-1-geert+renesas@glider.be (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | cb73737ea1d27181f5c4bfb1288e97f3e8a4abc7 |
| Headers | show |
| Series | ARM: ARM_ERRATA_775420: Spelling s/date/data/ | expand |
On Wed, Aug 28, 2019 at 03:31:51PM +0200, Geert Uytterhoeven wrote: > Caching dates is never a good idea ;-) > > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> > --- > arch/arm/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index dcf46f0e45c24a5f..eb18279a63027c08 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -1040,7 +1040,7 @@ config ARM_ERRATA_775420 > depends on CPU_V7 > help > This option enables the workaround for the 775420 Cortex-A9 (r2p2, > - r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance > + r2p6,r2p8,r2p10,r3p0) erratum. In case a data cache maintenance > operation aborts with MMU exception, it might cause the processor > to deadlock. This workaround puts DSB before executing ISB if > an abort may occur on cache maintenance. > -- > 2.17.1 >
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index dcf46f0e45c24a5f..eb18279a63027c08 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1040,7 +1040,7 @@ config ARM_ERRATA_775420 depends on CPU_V7 help This option enables the workaround for the 775420 Cortex-A9 (r2p2, - r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance + r2p6,r2p8,r2p10,r3p0) erratum. In case a data cache maintenance operation aborts with MMU exception, it might cause the processor to deadlock. This workaround puts DSB before executing ISB if an abort may occur on cache maintenance.
Caching dates is never a good idea ;-) Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- arch/arm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)