Displaying 5 results from an estimated 5 matches for "identity_funct".
2017 Nov 17
2
[PATCH 03/13] x86/paravirt: Convert native patch assembly code strings to macros
...quot;identity" looks strange. How about NATIVE_NOOP and
> > NATIVE_NOOP_32 ?
>
> Those are not NOPs. They return the identical value which was passed to
> them. So identity isn't a bad name after all.
Right, like the math identity function:
https://en.wikipedia.org/wiki/Identity_function
> >> +# define NATIVE_USERGS_SYSRET64 "swapgs; sysretq"
> >> +#else
> >> +# define _REG_ARG1 "%eax"
> >> +#endif
> >> +
> >> +#define _REG_RET "%" _ASM_AX
> >> +
> >> +#define NATIVE_ZERO...
2017 Nov 17
2
[PATCH 03/13] x86/paravirt: Convert native patch assembly code strings to macros
...quot;identity" looks strange. How about NATIVE_NOOP and
> > NATIVE_NOOP_32 ?
>
> Those are not NOPs. They return the identical value which was passed to
> them. So identity isn't a bad name after all.
Right, like the math identity function:
https://en.wikipedia.org/wiki/Identity_function
> >> +# define NATIVE_USERGS_SYSRET64 "swapgs; sysretq"
> >> +#else
> >> +# define _REG_ARG1 "%eax"
> >> +#endif
> >> +
> >> +#define _REG_RET "%" _ASM_AX
> >> +
> >> +#define NATIVE_ZERO...
2017 Nov 18
0
[PATCH 03/13] x86/paravirt: Convert native patch assembly code strings to macros
...How about NATIVE_NOOP and
>>> NATIVE_NOOP_32 ?
>>
>> Those are not NOPs. They return the identical value which was passed to
>> them. So identity isn't a bad name after all.
>
> Right, like the math identity function:
>
> https://en.wikipedia.org/wiki/Identity_function
>
>>>> +# define NATIVE_USERGS_SYSRET64 "swapgs; sysretq"
>>>> +#else
>>>> +# define _REG_ARG1 "%eax"
>>>> +#endif
>>>> +
>>>> +#define _REG_RET "%" _ASM_AX
>>>> +
>>&...
2017 Nov 17
2
[PATCH 03/13] x86/paravirt: Convert native patch assembly code strings to macros
On Wed, Oct 04, 2017 at 10:58:24AM -0500, Josh Poimboeuf wrote:
> Convert the hard-coded native patch assembly code strings to macros to
> facilitate sharing common code between 32-bit and 64-bit.
>
> These macros will also be used by a future patch which requires the GCC
> extended asm syntax of two '%' characters instead of one when specifying
> a register name.
>
2017 Nov 17
2
[PATCH 03/13] x86/paravirt: Convert native patch assembly code strings to macros
On Wed, Oct 04, 2017 at 10:58:24AM -0500, Josh Poimboeuf wrote:
> Convert the hard-coded native patch assembly code strings to macros to
> facilitate sharing common code between 32-bit and 64-bit.
>
> These macros will also be used by a future patch which requires the GCC
> extended asm syntax of two '%' characters instead of one when specifying
> a register name.
>