Re: [PATCH v7 0/5] Add shared workqueue support for idxd driver

From: Borislav Petkov
Date: Wed Oct 07 2020 - 04:49:08 EST


On Wed, Oct 07, 2020 at 12:31:32PM +0530, Vinod Koul wrote:
> Applied, thanks

I'm tired of repeating what you should've done - your branch doesn't
even build. How did you test it?

Also, what happens if Linus merges your branch first, before tip?

Oh boy.

In file included from ./arch/x86/include/asm/tsc.h:9,
from ./arch/x86/include/asm/timex.h:6,
from ./include/linux/timex.h:65,
from ./include/linux/time32.h:13,
from ./include/linux/time.h:73,
from ./include/linux/stat.h:19,
from ./include/linux/module.h:13,
from drivers/dma/idxd/init.c:5:
drivers/dma/idxd/init.c: In function ‘idxd_init_module’:
drivers/dma/idxd/init.c:526:20: error: ‘X86_FEATURE_ENQCMD’ undeclared (first use in this function); did you mean ‘X86_FEATURE_PCID’?
526 | if (!boot_cpu_has(X86_FEATURE_ENQCMD))
| ^~~~~~~~~~~~~~~~~~
./arch/x86/include/asm/cpufeature.h:118:24: note: in definition of macro ‘cpu_has’
118 | (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \
| ^~~
drivers/dma/idxd/init.c:526:7: note: in expansion of macro ‘boot_cpu_has’
526 | if (!boot_cpu_has(X86_FEATURE_ENQCMD))
| ^~~~~~~~~~~~
drivers/dma/idxd/init.c:526:20: note: each undeclared identifier is reported only once for each function it appears in
526 | if (!boot_cpu_has(X86_FEATURE_ENQCMD))
| ^~~~~~~~~~~~~~~~~~
./arch/x86/include/asm/cpufeature.h:118:24: note: in definition of macro ‘cpu_has’
118 | (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \
| ^~~
drivers/dma/idxd/init.c:526:7: note: in expansion of macro ‘boot_cpu_has’
526 | if (!boot_cpu_has(X86_FEATURE_ENQCMD))
| ^~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:283: drivers/dma/idxd/init.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [scripts/Makefile.build:500: drivers/dma/idxd] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [scripts/Makefile.build:500: drivers/dma] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1788: drivers] Error 2
make: *** Waiting for unfinished jobs....

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette