Re: [PATCH] x86: x86_{phys,virt}_bits field also for i386 (v3)

From: H. Peter Anvin
Date: Thu Sep 18 2008 - 11:26:22 EST


Jan Beulich wrote:
+
+#ifdef CONFIG_X86_32
+ if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))
+ c->x86_phys_bits = 36;
+#endif
}

I'm confused about this.

There is no reason for this to be #ifdef'd; but it should be conditional on this information not being otherwise available (which will always be the case on 64 bits), I would assume. If we are setting a value there, we should presumably also set 32 in the other case.

-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/