From: Christophe Leroy Date: Tue, 29 Nov 2016 08:52:13 +0000 (+0100) Subject: powerpc/32: Enable HW_BREAKPOINT on BOOK3S X-Git-Tag: v4.11-rc1~36^2~8^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fa769d3f58e6b0db4ed9f5f05ef1f251692f90c6;p=platform%2Fkernel%2Flinux-exynos.git powerpc/32: Enable HW_BREAKPOINT on BOOK3S BOOK3S also has DABR register and capability to handle data breakpoints, so this patch enable it on all BOOK3S, not only 64 bits. Signed-off-by: Christophe Leroy Signed-off-by: Scott Wood --- diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index a8ee573..1971ed4 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -113,7 +113,7 @@ config PPC select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP select HAVE_REGS_AND_STACK_ACCESS_API - select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64 + select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S select ARCH_WANT_IPC_PARSE_VERSION select SPARSE_IRQ select IRQ_DOMAIN diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 1ba8144..2053a4b 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -225,6 +225,7 @@ struct thread_struct { #ifdef CONFIG_PPC64 unsigned long start_tb; /* Start purr when proc switched in */ unsigned long accum_tb; /* Total accumulated purr for process */ +#endif #ifdef CONFIG_HAVE_HW_BREAKPOINT struct perf_event *ptrace_bps[HBP_NUM]; /* @@ -233,7 +234,6 @@ struct thread_struct { */ struct perf_event *last_hit_ubp; #endif /* CONFIG_HAVE_HW_BREAKPOINT */ -#endif struct arch_hw_breakpoint hw_brk; /* info on the hardware breakpoint */ unsigned long trap_nr; /* last trap # on this thread */ u8 load_fp;