Re: [PATCH] ARM: kprobes: rewrite in UAL

2021-01-28 Thread Arnd Bergmann
On Thu, Jan 28, 2021 at 7:59 PM 'Nick Desaulniers' via Clang Built Linux wrote: > On Thu, Jan 28, 2021 at 8:15 AM Arnd Bergmann wrote: > > > Plus a lot of extra errors when building with CONFIG_THUMB2_KERNEL, > > as that uses tests in arch/arm/probes/kprobes/test-thumb.c. > > Technically, that's

Re: [PATCH] ARM: kprobes: rewrite in UAL

2021-01-28 Thread Arnd Bergmann
On Thu, Jan 28, 2021 at 5:44 AM 'Nick Desaulniers' via Clang Built Linux wrote: > > Clang's integrated assembler only accepts UAL syntax, rewrite the > instructions that were changed by RVCTv2.1. > > The document "Assembly language changes after RVCTv2.1" was very > helpful. > > This exposed a bug

[PATCH] ARM: kprobes: rewrite in UAL

2021-01-27 Thread Nick Desaulniers
Clang's integrated assembler only accepts UAL syntax, rewrite the instructions that were changed by RVCTv2.1. The document "Assembly language changes after RVCTv2.1" was very helpful. This exposed a bug in Clang's integrated assembler, which hopefully will land in clang-12, but is required to tes