Using Linus' tree from this morning, I am hitting:
[ 0.000000] BUG: failure at
./arch/arm64/include/asm/arch_timer.h:112/arch_counter_get_cntpct!
This is triggered by commit 0b46b8a718 ("clocksource: arch_timer: Fix
code to use physical timers when requested") which addresses an armv7
problem. Arm64 wants to always use a virtual timer. I used this to avoid
the BUG and get a booting kernel:
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch
index 71846f9..4d8a01e 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -468,7 +468,7 @@ static void __init arch_counter_register(unsigned type)
/* Register the CP15 based counter if we have one */
if (type & ARCH_CP15_TIMER) {
- if (arch_timer_use_virtual)
+ if (IS_ENABLED(CONFIG_ARM64) || arch_timer_use_virtual)
arch_timer_read_counter = arch_counter_get_cntvct;
else
arch_timer_read_counter = arch_counter_get_cntpct;
--
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