Re: [PATCH 00/11] ARC atomics update

On Thu, Aug 05, 2021 at 07:04:32PM +0200, Peter Zijlstra wrote: > On Thu, Aug 05, 2021 at 04:18:29PM +, Vineet Gupta wrote: > > On 8/5/21 2:02 AM, Peter Zijlstra wrote: > > > On Wed, Aug 04, 2021 at 12:15:43PM -0700, Vineet Gupta wrote: > > > > > >> Vineet Gupta (10): > > >>ARC: atomics: d

[arc:topic-mmu 27/32] arch/arc/include/asm/hugepage.h:29:36: error: implicit declaration of function 'pte_mknotpresent'; did you mean 'pte_present'?

tree: https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git topic-mmu head: aad84191703280f0aace986bff0afd917b77511e commit: 9832faa2ca147e7d3fa551f7cc43df19cf569111 [27/32] ARC: mm: remove unused pte accessors config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GC

Re: [RFC] bitops/non-atomic: make @nr unsigned to avoid any DIV

On Thu, Aug 05, 2021 at 12:14:08PM -0700, Vineet Gupta wrote: > signed math causes generation of costlier instructions such as DIV when > they could be done by barrerl shifter. > > Worse part is this is not caught by things like bloat-o-meter since > instruction length / symbols are typically same

Re: [RFC] bitops/non-atomic: make @nr unsigned to avoid any DIV

On 8/6/21 6:42 AM, Will Deacon wrote: > On Thu, Aug 05, 2021 at 12:14:08PM -0700, Vineet Gupta wrote: >> signed math causes generation of costlier instructions such as DIV when >> they could be done by barrerl shifter. >> >> Worse part is this is not caught by things like bloat-o-meter since >> ins

Re: [arc:topic-mmu 27/32] arch/arc/include/asm/hugepage.h:29:36: error: implicit declaration of function 'pte_mknotpresent'; did you mean 'pte_present'?

On 8/6/21 6:38 AM, kernel test robot wrote: > tree: > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git__;!!A4F2R9G_pg!JkynKBqZimbhej1a4Vdszp5CSFVPGZRDksLBzwDbrZhdmsyGKSOySAh_3Qh53SoH$ > topic-mmu > head: aad84191703280f0aace986bff0afd917b77511e > com