forked from luck/tmp_suning_uos_patched
i386: mtrr crash fix
Commit 3ebad59056
("[PATCH] x86: Save and
restore the fixed-range MTRRs of the BSP when suspending") added mtrr
operations without verifying that the CPU has MTRRs. Crashes transmeta
CPUs.
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <linux@horizon.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -65,7 +65,8 @@ get_fixed_ranges(mtrr_type * frs)
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void mtrr_save_fixed_ranges(void *info)
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{
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get_fixed_ranges(mtrr_state.fixed_ranges);
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if (cpu_has_mtrr)
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get_fixed_ranges(mtrr_state.fixed_ranges);
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}
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static void print_fixed(unsigned base, unsigned step, const mtrr_type*types)
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