[PATCH 11/11] powerpc/microwatt: Disable interrupts in boot wrapper main program
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STALE1937d
From: Paul Mackerras <hidden>
Date: 2021-06-14 23:10:18
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
This ensures that we don't get a decrementer interrupt arriving before we have set up a handler for it. Signed-off-by: Paul Mackerras <redacted> --- arch/powerpc/boot/microwatt.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/boot/microwatt.c b/arch/powerpc/boot/microwatt.c
index ac922dd0aa4d..86a07bceaadf 100644
--- a/arch/powerpc/boot/microwatt.c
+++ b/arch/powerpc/boot/microwatt.c@@ -12,6 +12,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) { unsigned long heapsize = 16*1024*1024 - (unsigned long)_end; + __asm__ volatile("mtmsrd %0,1" : : "r" (0)); simple_alloc_init(_end, heapsize, 32, 64); fdt_init(_dtb_start); serial_console_init();
--
2.31.1