Re: [GIT PULL] x86 fixes for 3.9

From: Linus Torvalds
Date: Thu Apr 25 2013 - 18:20:26 EST

On Thu, Apr 25, 2013 at 2:44 PM, H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> wrote:
> - if (!sys_table->runtime->query_variable_info)
> + if (sys_table->runtime->hdr.revision < EFI_2_00_SYSTEM_TABLE_REVISION)

Is a EFI 2.00 system table *guaranteed* to have that
"query_variable_info" function? The above adds the version check, but
removes the check for a NULL pointer.

And why the hell don't we have a real structure that has been filled
out properly, and instead apparently just do this "point to random
memory that doesn't necessarily have the full structure?

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