On Fri, Nov 20, 2020 at 12:46:26PM +0100, Juergen Gross wrote:
> +#define ____PVOP_CALL(rettype, op, clbr, call_clbr, extra_clbr, ...) \
> ({ \
> PVOP_CALL_ARGS; \
> PVOP_TEST_NULL(op); \
> + BUILD_BUG_ON(sizeof(rettype) > sizeof(unsigned long)); \
> + asm volatile(paravirt_alt(PARAVIRT_CALL) \
> + : call_clbr, ASM_CALL_CONSTRAINT \
> + : paravirt_type(op), \
> + paravirt_clobber(clbr), \
> + ##__VA_ARGS__ \
> + : "memory", "cc" extra_clbr); \
> + (rettype)(__eax & PVOP_RETMASK(rettype)); \
> })
This is now very similar to ____PVOP_VCALL() (note how PVOP_CALL_ARGS is
PVOP_VCALL_ARGS).
Could we get away with doing something horrible like:
#define ____PVOP_VCALL(X...) (void)____PVOP_CALL(long, X)
?
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