Glauber de Oliveira Costa wrote:
This patch moves the i386 control registers manipulation functions,
wbinvd, and clts functions to system.h. They are essentially the same
as in x86_64, except for the cr8 register, which we add.

+
+static inline unsigned long native_read_cr8(void)
+{
+       unsigned long cr8;
+       asm volatile("mov %%cr8,%0" : "=r" (cr8), "=m" (__force_order));
+       return cr8;
+}
+

There is no cr8 register on i386. This had better be protected by an #ifdef.

(you're likely not getting an error since it's a static inline, so the asm is never emitted)

--
Any sufficiently difficult bug is indistinguishable from a feature.

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