Commit 15fba327 authored by Kumar Gala's avatar Kumar Gala
Browse files

ppc/85xx: Disable all async interrupt sources when we boot

We should make sure to clear MSR[ME, CE, DE] when we boot an OS image
since we have changed the exception vectors and the OSes vectors might
not be setup we should avoid async interrupts at all costs.
Signed-off-by: default avatarKumar Gala <>
parent 9f00409a
......@@ -364,5 +364,16 @@ extern void setup_ivors(void);
void arch_preboot_os(void)
u32 msr;
* We are changing interrupt offsets and are about to boot the OS so
* we need to make sure we disable all async interrupts. EE is already
* disabled by the time we get called.
msr = mfmsr();
msr &= ~(MSR_ME|MSR_CE|MSR_DE);
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