arm64: head: fix code comments in set_cpu_boot_mode_flag

Up to here, the CPU boot mode can either be EL1 or EL2.
Correct the code comments a bit.

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210518101405.1048860-5-aisheng.dong@nxp.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index d266b4c..3b88000 100644 (file)
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -550,7 +550,7 @@ SYM_FUNC_START_LOCAL(set_cpu_boot_mode_flag)
        cmp     w0, #BOOT_CPU_MODE_EL2
        b.ne    1f
        add     x1, x1, #4
-1:     str     w0, [x1]                        // This CPU has booted in EL1
+1:     str     w0, [x1]                        // Save CPU boot mode
        dmb     sy
        dc      ivac, x1                        // Invalidate potentially stale cache line
        ret