https://bugs.freedesktop.org/show_bug.cgi?id=87913
Roland Scheidegger srol...@vmware.com changed:
What|Removed |Added
Status|NEW |RESOLVED
https://bugs.freedesktop.org/show_bug.cgi?id=87913
--- Comment #4 from Leonid Shatz leonid.sh...@ravellosystems.com ---
In virtual environments you would never know which is the safest method. It
depends on the implementation and correctness of the hypervisor. I would just
add the suggested fix
https://bugs.freedesktop.org/show_bug.cgi?id=87913
Bug ID: 87913
Summary: CPU cacheline size of 0 can be returned by CPUID leaf
0x8006 in some virtual machines
Product: Mesa
Version: unspecified
Hardware: x86-64
https://bugs.freedesktop.org/show_bug.cgi?id=87913
Leonid Shatz leonid.sh...@ravellosystems.com changed:
What|Removed |Added
CC|
https://bugs.freedesktop.org/show_bug.cgi?id=87913
--- Comment #2 from Leonid Shatz leonid.sh...@ravellosystems.com ---
Sorry, the correct code would be something like:
if (regs[0] = 0x8006) {
cpuid(0x8006, regs2);
+ if ((regs2[2] 0xFF) 0)
https://bugs.freedesktop.org/show_bug.cgi?id=87913
--- Comment #3 from Roland Scheidegger srol...@vmware.com ---
I'm wondering if we actually should use this detection method if the other one
(which queries clflush size in fact) is also available. I guess though there's
some (amd) cpus where the
