linux-dev/arch/powerpc/include/asm/vdso/processor.h, branch linus/master Linux kernel development work - see feature branches https://git.zx2c4.com/linux-dev/atom/arch/powerpc/include/asm/vdso/processor.h?h=linus%2Fmaster 2021-08-26T14:56:52Z powerpc: Redefine HMT_xxx macros as empty on PPC32 2021-08-26T14:56:52Z Christophe Leroy christophe.leroy@csgroup.eu 2021-08-25T13:34:45Z urn:sha1:8149238ffd210875f5a77e3c654bb59b58da35e3 HMT_xxx macros are macros for adjusting thread priority (hardware multi-threading) are macros inherited from PPC64 via commit 5f7c690728ac ("[PATCH] powerpc: Merged ppc_asm.h") Those instructions are pointless on PPC32, but some common fonctions like arch_cpu_idle() use them. So make them empty on PPC32 to avoid those instructions. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/c5a07fadea33d640ad10cecf0ac8faaec1c524e0.1629898474.git.christophe.leroy@csgroup.eu powerpc/processor: Move cpu_relax() into asm/vdso/processor.h 2020-12-03T14:01:09Z Christophe Leroy christophe.leroy@csgroup.eu 2020-11-26T13:09:59Z urn:sha1:8f8cffd9df81612b5b06d2c57ebf74f8961b41be cpu_relax() need to be in asm/vdso/processor.h to be used by the C VDSO generic library. Move it there. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201126131006.2431205-2-mpe@ellerman.id.au