Messages in this thread | | | From | Song Shuai <> | Date | Mon, 28 Nov 2022 22:12:02 +0800 | Subject | Re: [PATCH RESEND] riscv : select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY |
| |
Guo Ren <guoren@kernel.org> 于2022年11月28日周一 21:47写道: > > On Tue, Nov 22, 2022 at 6:11 PM Song Shuai <suagrfillet@gmail.com> wrote: > > > > Song Shuai <suagrfillet@gmail.com> 于2022年9月23日周五 10:03写道: > > > > > > riscv now uses -fpatchable-function-entry with dynamic ftrace after > > > the `afc76b8b8` commit, which means recordmcount shouldn't be called > The ref commit format needs to be corrected. Others: > Tested-by: Guo Ren <guoren@kernel.org> > Thanks for your test. I'll correct this ref in the next version. > > > to create the __mcount_loc section before the vmlinux linking. > > > > > > We should select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY to tell > > > Makefile not to run recordmcount. > > > > > Hi,Guo: > > > > Can this patch squeeze into your v3 series ? > They don't have a dependency, and it's unnecessary. A single patch is > easy for the maintainer to pick up. > Got it. > > > > Thanks, > > Song > > > Signed-off-by: Song Shuai <suagrfillet@gmail.com> > > > --- > > > arch/riscv/Kconfig | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > > > index c22f58155948..25db8cea876a 100644 > > > --- a/arch/riscv/Kconfig > > > +++ b/arch/riscv/Kconfig > > > @@ -246,6 +246,7 @@ config ARCH_RV64I > > > select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && $(cc-option,-fpatchable-function-entry=8) > > > select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE > > > select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL > > > + select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE > > > select HAVE_FUNCTION_GRAPH_TRACER > > > select HAVE_FUNCTION_TRACER if !XIP_KERNEL > > > select SWIOTLB if MMU > > > -- > > > 2.20.1 > > > > > > > -- > Best Regards > Guo Ren
-- Thanks, Song
| |