From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.pitre@linaro.org (Nicolas Pitre) Date: Thu, 13 Feb 2014 15:42:47 -0500 (EST) Subject: [PATCH RESEND] ARM: mcpm: Make all mcpm functions notrace In-Reply-To: <1392279975.3469.4.camel@linaro1.home> References: <1392279975.3469.4.camel@linaro1.home> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 13 Feb 2014, Jon Medhurst (Tixy) wrote: > From: Dave Martin > > The functions in mcpm_entry.c are mostly intended for use during > scary cache and coherency disabling sequences, or do other things > which confuse trace ... like powering a CPU down and not > returning. Similarly for the backend code. > > For simplicity, this patch just makes whole files notrace. > There should be more than enough traceable points on the paths to > these functions, but we can be more fine-grained later if there is > a need for it. > > Signed-off-by: Dave Martin > > Also added spc.o to the list of files as it contains functions used by > MCPM code which have comments comments like: "might be used in code > paths where normal cacheable locks are not working" > > Signed-off-by: Jon Medhurst Acked-by: Nicolas Pitre Please send to RMK's patch system. > --- > arch/arm/common/Makefile | 1 + > arch/arm/mach-vexpress/Makefile | 3 +++ > 2 files changed, 4 insertions(+) > > diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile > index 4bdc416..70b1eff 100644 > --- a/arch/arm/common/Makefile > +++ b/arch/arm/common/Makefile > @@ -13,6 +13,7 @@ obj-$(CONFIG_SHARP_SCOOP) += scoop.o > obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o > obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp.o > obj-$(CONFIG_MCPM) += mcpm_head.o mcpm_entry.o mcpm_platsmp.o vlock.o > +CFLAGS_REMOVE_mcpm_entry.o = -pg > AFLAGS_mcpm_head.o := -march=armv7-a > AFLAGS_vlock.o := -march=armv7-a > obj-$(CONFIG_TI_PRIV_EDMA) += edma.o > diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile > index 0997e0b..fc649bc 100644 > --- a/arch/arm/mach-vexpress/Makefile > +++ b/arch/arm/mach-vexpress/Makefile > @@ -8,8 +8,11 @@ obj-y := v2m.o > obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o > obj-$(CONFIG_ARCH_VEXPRESS_DCSCB) += dcscb.o dcscb_setup.o > CFLAGS_dcscb.o += -march=armv7-a > +CFLAGS_REMOVE_dcscb.o = -pg > obj-$(CONFIG_ARCH_VEXPRESS_SPC) += spc.o > +CFLAGS_REMOVE_spc.o = -pg > obj-$(CONFIG_ARCH_VEXPRESS_TC2_PM) += tc2_pm.o > CFLAGS_tc2_pm.o += -march=armv7-a > +CFLAGS_REMOVE_tc2_pm.o = -pg > obj-$(CONFIG_SMP) += platsmp.o > obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o > -- > 1.7.10.4 > > >