From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Thu, 16 Apr 2015 09:08:58 -0700 Subject: ARM errata 430973 on multi platform kernels In-Reply-To: <20150415163108.GB2033@earth> References: <20150406151939.GG18048@atomide.com> <20150406154037.GI18048@atomide.com> <5522BEEF.2000405@gmail.com> <20150406174245.GJ18048@atomide.com> <20150407135713.GL4027@n2100.arm.linux.org.uk> <20150407152207.GM18048@atomide.com> <20150408230658.GO4027@n2100.arm.linux.org.uk> <20150409134843.GQ4027@n2100.arm.linux.org.uk> <20150415163108.GB2033@earth> Message-ID: <20150416160858.GH18048@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Sebastian Reichel [150415 09:32]: > Hi, > > On Thu, Apr 09, 2015 at 02:48:43PM +0100, Russell King - ARM Linux wrote: > > On Thu, Apr 09, 2015 at 12:06:58AM +0100, Russell King - ARM Linux wrote: > > > On Tue, Apr 07, 2015 at 08:22:08AM -0700, Tony Lindgren wrote: > > > > Works for me. The above needs the following fix folded in to build: > > > > > > > > --- a/arch/arm/mm/proc-v7.S > > > > +++ b/arch/arm/mm/proc-v7.S > > > > @@ -532,7 +532,7 @@ __v7_ca9mp_proc_info: > > > > __v7_ca8_proc_info: > > > > .long 0x410fc080 > > > > .long 0xff0ffff0 > > > > - __v7_proc __v7_ca8mp_proc_info, proc_fns = ca8_processor_functions > > > > + __v7_proc __v7_ca8_proc_info, __v7_setup, proc_fns = ca8_processor_functions > > > > .size __v7_ca8_proc_info, . - __v7_ca8_proc_info > > > > > > > > #endif /* CONFIG_ARM_LPAE */ > > > > > > Thanks, merged into the original patch. > > > > Do you want to give me an ack for this, thanks? > > I tried to test this together with Tony's follow up patch, but I get > this after applying the patch to v4.0: > > sre at earth ~/src/linux [430973-fix] % make -j4 > CHK include/config/kernel.release > CHK include/generated/uapi/linux/version.h > CHK include/generated/utsrelease.h > make[1]: 'include/generated/mach-types.h' is up to date. > CALL scripts/checksyscalls.sh > CHK include/generated/compile.h > AS arch/arm/mm/proc-v7.o > arch/arm/mm/proc-v7.S: Assembler messages: > arch/arm/mm/proc-v7.S:535: Error: invalid operands (*ABS* and .text sections) for `|' > arch/arm/mm/proc-v7.S:535: Error: invalid operands (*ABS* and .text sections) for `|' > scripts/Makefile.build:294: recipe for target 'arch/arm/mm/proc-v7.o' failed > make[1]: *** [arch/arm/mm/proc-v7.o] Error 1 > Makefile:947: recipe for target 'arch/arm/mm' failed > make: *** [arch/arm/mm] Error 2 > make: *** Waiting for unfinished jobs.... Maybe test the version in Linux next: a6d746789825 ("ARM: proc-v7: avoid errata 430973 workaround for non-Cortex A8 CPUs") And then apply my patch on top. Regards, Tony