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SubjectRe: [PATCH] x86, efi: Convert efi_phys_get_time() args to physical addresses
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On Tue, 2011-10-11 at 11:52 +0100, Matt Fleming wrote:
> From: Maurice Ma <maurice.ma@intel.com>
>
> Because callers of efi_phys_get_time() pass virtual stack addresses as
> arguments, we need to find their corresponding physical addresses and
> when calling GetTime() in physical mode.
>
> Without this patch the following line is printed on boot,
>
> "Oops: efitime: can't read time!"
>
> Cc: Matthew Garrett <mjg@redhat.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: x86@kernel.org
> Cc: Zhang Rui <rui.zhang@intel.com>
> Signed-off-by: Maurice Ma <maurice.ma@intel.com>
> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
> ---
> arch/x86/platform/efi/efi.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)

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