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77c3917544
In the C99 standard, the order of evaluation associated with
multiple #, multiple ## or a mix of # and ## preprocessor
operator is unspecified. For this case, gcc 7.3.0 manual
does not specify related implementation. So it is unsafe
to use multiple # or ## in a macro.
BTW, there are some macros with one or more "##" which are
not used by hypervisor.
Update relate codes to avoid using multiple # or ## in a macro;
Remove unused macros with one or more "##";
Remove "struct __hack;" at the end of GETCC since it is useless.
Note:
'##' operator usage constraints: A ## preprocessing token shall
not occur at the beginning or at the end of a replacement list
for either form of macro definition.
V1--V2:
Update relate codes to avoid using multiple # or ## in a macro.
V2-->V3:
Remove unused macros with one or more "##";
Remove "struct __hack;" at the end of GETCC since it is useless.
Signed-off-by: Xiangyang Wu <xiangyang.wu@linux.intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>