Steven Rostedt <rostedt@xxxxxxxxxxx> writes: > From: Steven Rostedt <rostedt@xxxxxxxxxxx> > > Most architectures use pt_regs within ftrace_regs making a lot of the > accessor functions just calls to the pt_regs internally. Instead of > duplication this effort, use a HAVE_ARCH_FTRACE_REGS for architectures > that have their own ftrace_regs that is not based on pt_regs and will > define all the accessor functions, and for the architectures that just use > pt_regs, it will leave it undefined, and the default accessor functions > will be used. > > Note, this will also make it easier to add new accessor functions to > ftrace_regs as it will mean having to touch less architectures. > > Cc: <linux-arch@xxxxxxxxxxxxxxx> > Cc: "x86@xxxxxxxxxx" <x86@xxxxxxxxxx> > Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Huacai Chen <chenhuacai@xxxxxxxxxx> > Cc: WANG Xuerui <kernel@xxxxxxxxxx> > Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > Cc: Nicholas Piggin <npiggin@xxxxxxxxx> > Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx> > Cc: Naveen N Rao <naveen@xxxxxxxxxx> > Cc: Madhavan Srinivasan <maddy@xxxxxxxxxxxxx> > Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx> > Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx> > Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx> > Cc: Heiko Carstens <hca@xxxxxxxxxxxxx> > Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> > Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx> > Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> > Cc: Sven Schnelle <svens@xxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Borislav Petkov <bp@xxxxxxxxx> > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Link: https://lore.kernel.org/20241010202114.2289f6fd@xxxxxxxxxxxxxxxxxx > Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> > Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx> # s390 > Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> > Suggested-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> > Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> > --- > arch/arm64/include/asm/ftrace.h | 1 + > arch/loongarch/include/asm/ftrace.h | 25 +------------------- > arch/powerpc/include/asm/ftrace.h | 26 +-------------------- Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers > arch/riscv/include/asm/ftrace.h | 1 + > arch/s390/include/asm/ftrace.h | 26 +-------------------- > arch/x86/include/asm/ftrace.h | 21 +---------------- > include/linux/ftrace.h | 32 ++++++------------------- > include/linux/ftrace_regs.h | 36 +++++++++++++++++++++++++++++ > 8 files changed, 49 insertions(+), 119 deletions(-) > create mode 100644 include/linux/ftrace_regs.h
