On Fri, 5 Oct 2018 at 11:09, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > > Hi All, > > On 2018-09-19 11:49, Russell King wrote: > > In big.Little systems, some CPUs require the Spectre workarounds in > > paths such as the context switch, but other CPUs do not. In order > > to handle these differences, we need per-CPU vtables. > > > > We are unable to use the kernel's per-CPU variables to support this > > as per-CPU is not initialised at times when we need access to the > > vtables, so we have to use an array indexed by logical CPU number. > > > > Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx> > > This patch causes lots of kernel 'BUG' messages on all Samsung Exynos > boards. It started to appear since it has been merged to linux-next > on 20181002. I wonder if this issue is Exynos specific or there are > some patches missing in linux-next, which should fix those 'BUGS'. > If this is Exynos specific, please let us know what should be changed > in Exynos platform code to avoid this issue. Thanks Marek for narrowing this down. I confirm. All my Exynos boards experience this. Full logs: https://krzk.eu/#/builders/1/builds/2811/steps/12/logs/serial0 Best regards, Krzysztof
