On 04/02/2013 12:44 PM, Kukjin Kim wrote: > Alexander Graf wrote: >> When running on an exynos 5250 SoC, we don't initialize the architected >> timers. The chip however supports architected timers. >> > Yes, exynos5250 can support, mct(multi core timer) is used though. > >> When we don't initialize them, KVM will try to access them and run into >> NULL pointer dereferences attempting to do so. >> > Yes, right. > >> This patch is really more of a hack than a real fix, but does get me >> working with KVM on Arndale. >> > Hmm, if you think, this is _really_ a hack, you need to add some comments > about that for clearance, and since the mct.c file has been moved into > drivers/clocksource/, this should be re-worked. > > BTW, I discussed about this with Thomas and Giridhar just now, we reached > this 3rd patch could be dropped because the correct way is to add a dts > node for arch timer which patch 2nd is already doing after 3.9-rc1 because > of CLOCKSOURCE_OF_DECLARE macro. > > So if you' OK above, let me know so that I can take only 1st and 2nd > patches to support KVM on exynos5250. I'd say go ahead and take them and I'll verify whether things work on your tree :). What's the git repo of your branch? Alex -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html