[Mesa-dev] [Bug 87913] CPU cacheline size of 0 can be returned by CPUID leaf 0x80000006 in some virtual machines

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87913

--- Comment #2 from Leonid Shatz <leonid.shatz at ravellosystems.com> ---
Sorry, the correct code would be something like:

   if (regs[0] >= 0x80000006) {
        cpuid(0x80000006, regs2);
+       if ((regs2[2] & 0xFF) > 0)
            util_cpu_caps.cacheline = regs2[2] & 0xFF;
    }

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