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| /openbmc/linux/drivers/firmware/efi/libstub/ |
| H A D | arm32-stub.c | 2ec0f0a3 Wed Feb 17 06:36:01 CST 2016 Ard Biesheuvel <ard.biesheuvel@linaro.org> efi/arm: Check for LPAE support before booting a LPAE kernel
A kernel built with support for LPAE cannot boot to a state where it
can inform the user about if it has to fail due to missing LPAE support
in the hardware.
If we happen to be booting via UEFI, we can fail gracefully so check
for LPAE support in the hardware on CONFIG_ARM_LPAE builds before
entering the kernel proper.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1455712566-16727-9-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2ec0f0a3 Wed Feb 17 06:36:01 CST 2016 Ard Biesheuvel <ard.biesheuvel@linaro.org> efi/arm: Check for LPAE support before booting a LPAE kernel
A kernel built with support for LPAE cannot boot to a state where it
can inform the user about if it has to fail due to missing LPAE support
in the hardware.
If we happen to be booting via UEFI, we can fail gracefully so check
for LPAE support in the hardware on CONFIG_ARM_LPAE builds before
entering the kernel proper.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1455712566-16727-9-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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