On Fri, Apr 03, 2015 at 02:21:48PM -0500, Robert Nelson wrote: > >> And yes, for armhf userland one gets random oopses at least on the > >> Nokia N900. AFAIK this is not true for all ARMv7 processors > >> (especially non omaps), though. > >> > >> > http://www.spinics.net/lists/linux-omap/msg108511.html > >> > > >> > See also 5c86c5339c56 ("ARM: omap2plus_defconfig: Enable ARM erratum > >> > 430973 for omap3"). > >> > >> For me the random oopses occur without this config flag and are > >> fixed by it. The workaround is not very suitable for multi platform > >> kernels, though, since its enabled also for unaffected platforms. > >> > >> As far as I can see the CONFIG_ARM_ERRATA_430973 flag is checked > >> in proc-v7.S and in proc-v7-2level.S. I think the first file is > >> irrelevant, since it can be fixed later (see workaround in > >> nokia_n900_legacy_init in pdata-quirks.c). > > > > Yes so it seems, and the bootloaders should really set it. It's > > also disabled for multiplatform builds. > > These are now done in u-boot as of: v2015.04-rc4 > > http://git.denx.de/?p=u-boot.git;a=commit;h=c6f90e1418a84fe5fa463b38403bd1845cb6a59c Seems like "include/configs/nokia_rx51.h" has been forgotten. Note, that the kernel must still be able to enable the bit itself (in case NOLO is used without u-boot). -- Sebastian
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