From: Anton Vorontsov <avorontsov@ru.mvista.com> To: Ingo Molnar <mingo@elte.hu> Cc: Steven Rostedt <srostedt@redhat.com>, Sam Ravnborg <sam@ravnborg.org>, Paul Mackerras <paulus@samba.org>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] powerpc: Remove -fno-omit-frame-pointer workarounds Date: Sat, 2 May 2009 04:14:22 +0400 [thread overview] Message-ID: <20090502001422.GB9342@oksana.dev.rtsoft.ru> (raw) In-Reply-To: <20090502001329.GA11549@oksana.dev.rtsoft.ru> The workarounds aren't needed any longer since the top level Makefile doesn't pass -fno-omit-frame-pointer cflag for PowerPC builds. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> --- arch/powerpc/Makefile | 5 ----- arch/powerpc/kernel/Makefile | 12 ++++++------ arch/powerpc/platforms/powermac/Makefile | 2 +- lib/Kconfig.debug | 6 +++--- 4 files changed, 10 insertions(+), 15 deletions(-) diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 551fc58..1dd7748 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -120,11 +120,6 @@ ifeq ($(CONFIG_6xx),y) KBUILD_CFLAGS += -mcpu=powerpc endif -# Work around a gcc code-gen bug with -fno-omit-frame-pointer. -ifeq ($(CONFIG_FUNCTION_TRACER),y) -KBUILD_CFLAGS += -mno-sched-epilog -endif - cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_6xx) += -Wa,-maltivec cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 71901fb..fdbca81 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -14,14 +14,14 @@ endif ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code -CFLAGS_REMOVE_cputable.o = -pg -mno-sched-epilog -CFLAGS_REMOVE_prom_init.o = -pg -mno-sched-epilog -CFLAGS_REMOVE_btext.o = -pg -mno-sched-epilog -CFLAGS_REMOVE_prom.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_cputable.o = -pg +CFLAGS_REMOVE_prom_init.o = -pg +CFLAGS_REMOVE_btext.o = -pg +CFLAGS_REMOVE_prom.o = -pg # do not trace tracer code -CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_ftrace.o = -pg # timers used by tracing -CFLAGS_REMOVE_time.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_time.o = -pg endif obj-y := cputable.o ptrace.o syscalls.o \ diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index 50f1693..0eb8781 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -2,7 +2,7 @@ CFLAGS_bootx_init.o += -fPIC ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code -CFLAGS_REMOVE_bootx_init.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_bootx_init.o = -pg endif obj-y += pic.o setup.o time.o feature.o pci.o \ diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1f1633b..cffbfc4 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -492,7 +492,7 @@ config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select STACKTRACE - select FRAME_POINTER if !X86 && !MIPS && !PPC && !ARM_UNWIND && !S390 + select FRAME_POINTER if !X86 && !MIPS && !ARM_UNWIND && !S390 select KALLSYMS select KALLSYMS_ALL @@ -865,13 +865,13 @@ config FAULT_INJECTION_STACKTRACE_FILTER depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT depends on !X86_64 select STACKTRACE - select FRAME_POINTER if !PPC && !S390 + select FRAME_POINTER if !S390 help Provide stacktrace filter for fault-injection capabilities config LATENCYTOP bool "Latency measuring infrastructure" - select FRAME_POINTER if !MIPS && !PPC && !S390 + select FRAME_POINTER if !MIPS && !S390 select KALLSYMS select KALLSYMS_ALL select STACKTRACE -- 1.6.2.2
WARNING: multiple messages have this Message-ID (diff)
From: Anton Vorontsov <avorontsov@ru.mvista.com> To: Ingo Molnar <mingo@elte.hu> Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Steven Rostedt <srostedt@redhat.com>, Paul Mackerras <paulus@samba.org>, Sam Ravnborg <sam@ravnborg.org> Subject: [PATCH 2/3] powerpc: Remove -fno-omit-frame-pointer workarounds Date: Sat, 2 May 2009 04:14:22 +0400 [thread overview] Message-ID: <20090502001422.GB9342@oksana.dev.rtsoft.ru> (raw) In-Reply-To: <20090502001329.GA11549@oksana.dev.rtsoft.ru> The workarounds aren't needed any longer since the top level Makefile doesn't pass -fno-omit-frame-pointer cflag for PowerPC builds. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> --- arch/powerpc/Makefile | 5 ----- arch/powerpc/kernel/Makefile | 12 ++++++------ arch/powerpc/platforms/powermac/Makefile | 2 +- lib/Kconfig.debug | 6 +++--- 4 files changed, 10 insertions(+), 15 deletions(-) diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 551fc58..1dd7748 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -120,11 +120,6 @@ ifeq ($(CONFIG_6xx),y) KBUILD_CFLAGS += -mcpu=powerpc endif -# Work around a gcc code-gen bug with -fno-omit-frame-pointer. -ifeq ($(CONFIG_FUNCTION_TRACER),y) -KBUILD_CFLAGS += -mno-sched-epilog -endif - cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_6xx) += -Wa,-maltivec cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 71901fb..fdbca81 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -14,14 +14,14 @@ endif ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code -CFLAGS_REMOVE_cputable.o = -pg -mno-sched-epilog -CFLAGS_REMOVE_prom_init.o = -pg -mno-sched-epilog -CFLAGS_REMOVE_btext.o = -pg -mno-sched-epilog -CFLAGS_REMOVE_prom.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_cputable.o = -pg +CFLAGS_REMOVE_prom_init.o = -pg +CFLAGS_REMOVE_btext.o = -pg +CFLAGS_REMOVE_prom.o = -pg # do not trace tracer code -CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_ftrace.o = -pg # timers used by tracing -CFLAGS_REMOVE_time.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_time.o = -pg endif obj-y := cputable.o ptrace.o syscalls.o \ diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index 50f1693..0eb8781 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -2,7 +2,7 @@ CFLAGS_bootx_init.o += -fPIC ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code -CFLAGS_REMOVE_bootx_init.o = -pg -mno-sched-epilog +CFLAGS_REMOVE_bootx_init.o = -pg endif obj-y += pic.o setup.o time.o feature.o pci.o \ diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1f1633b..cffbfc4 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -492,7 +492,7 @@ config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select STACKTRACE - select FRAME_POINTER if !X86 && !MIPS && !PPC && !ARM_UNWIND && !S390 + select FRAME_POINTER if !X86 && !MIPS && !ARM_UNWIND && !S390 select KALLSYMS select KALLSYMS_ALL @@ -865,13 +865,13 @@ config FAULT_INJECTION_STACKTRACE_FILTER depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT depends on !X86_64 select STACKTRACE - select FRAME_POINTER if !PPC && !S390 + select FRAME_POINTER if !S390 help Provide stacktrace filter for fault-injection capabilities config LATENCYTOP bool "Latency measuring infrastructure" - select FRAME_POINTER if !MIPS && !PPC && !S390 + select FRAME_POINTER if !MIPS && !S390 select KALLSYMS select KALLSYMS_ALL select STACKTRACE -- 1.6.2.2
next prev parent reply other threads:[~2009-05-02 0:14 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-05-02 0:13 [PATCH v5 0/3] Tracers vs. CALLER_ADDR on PowerPC Anton Vorontsov 2009-05-02 0:13 ` Anton Vorontsov 2009-05-02 0:14 ` [PATCH 1/3] powerpc, Makefile: Make it possible to safely select CONFIG_FRAME_POINTER Anton Vorontsov 2009-05-02 0:14 ` Anton Vorontsov 2009-05-02 19:48 ` Segher Boessenkool 2009-05-02 19:48 ` Segher Boessenkool 2009-05-03 2:04 ` Steven Rostedt 2009-05-03 2:04 ` Steven Rostedt 2009-05-05 7:56 ` Segher Boessenkool 2009-05-05 7:56 ` Segher Boessenkool 2009-05-05 13:33 ` Steven Rostedt 2009-05-05 13:33 ` Steven Rostedt 2009-05-05 13:51 ` Segher Boessenkool 2009-05-05 13:51 ` Segher Boessenkool 2009-05-05 23:11 ` Steven Rostedt 2009-05-05 23:11 ` Steven Rostedt 2009-05-18 4:14 ` Benjamin Herrenschmidt 2009-05-18 4:14 ` Benjamin Herrenschmidt 2009-05-18 19:55 ` Segher Boessenkool 2009-05-18 19:55 ` Segher Boessenkool 2009-05-02 0:14 ` Anton Vorontsov [this message] 2009-05-02 0:14 ` [PATCH 2/3] powerpc: Remove -fno-omit-frame-pointer workarounds Anton Vorontsov 2009-05-02 0:14 ` [PATCH 3/3] tracing: Tracers that use CALLER_ADDR macros should select FRAME_POINTER Anton Vorontsov 2009-05-02 0:14 ` Anton Vorontsov -- strict thread matches above, loose matches on Subject: below -- 2009-03-20 16:44 [PATCH v4 0/3] Tracers vs. CALLER_ADDR on PowerPC Anton Vorontsov 2009-03-20 16:44 ` [PATCH 2/3] powerpc: Remove -fno-omit-frame-pointer workarounds Anton Vorontsov 2009-03-20 16:44 ` Anton Vorontsov 2009-03-21 3:50 ` Steven Rostedt 2009-03-21 3:50 ` Steven Rostedt
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20090502001422.GB9342@oksana.dev.rtsoft.ru \ --to=avorontsov@ru.mvista.com \ --cc=benh@kernel.crashing.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linuxppc-dev@ozlabs.org \ --cc=mingo@elte.hu \ --cc=paulus@samba.org \ --cc=sam@ravnborg.org \ --cc=srostedt@redhat.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.