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arm64: Update comment regarding values in __boot_cpu_mode

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The values stored in __boot_cpu_mode were changed without updating the
comment. Rectify that.

Signed-off-by: Ben Horgan <ben.horgan@arm.com>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Link: https://lore.kernel.org/r/20250513124525.677736-1-ben.horgan@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Ben Horgan 2025-05-13 13:45:25 +01:00 committed by Will Deacon
parent 29e31da4ed
commit 694f574f74
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/include/asm/virt.h
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@ -67,7 +67,8 @@
* __boot_cpu_mode records what mode CPUs were booted in.
* A correctly-implemented bootloader must start all CPUs in the same mode:
* In this case, both 32bit halves of __boot_cpu_mode will contain the
* same value (either 0 if booted in EL1, BOOT_CPU_MODE_EL2 if booted in EL2).
* same value (either BOOT_CPU_MODE_EL1 if booted in EL1, BOOT_CPU_MODE_EL2 if
* booted in EL2).
*
* Should the bootloader fail to do this, the two values will be different.
* This allows the kernel to flag an error when the secondaries have come up.