Bin Meng 3b621ccabd x86: Test mtrr support flag before accessing mtrr msr ... On some x86 processors (like Intel Quark) the MTRR registers are not supported. This is reflected by the CPUID (EAX 01H) result EDX[12]. Accessing the MTRR registers on such processors will cause #GP so we must test the support flag before accessing MTRR MSRs. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>		2015-01-23 17:24:55 -07:00
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asm	x86: Test mtrr support flag before accessing mtrr msr	2015-01-23 17:24:55 -07:00