Thanks Kevin, This is now merged:
b219eb2a436e..48a345e3b61e v4.14/standard/arm-versatile-926ejs -> v4.14/standard/arm-versatile-926ejs f596fd1d802b..5252513a39b4 v4.14/standard/base -> v4.14/standard/base 6fb7bd59037a..c67809688bd2 v4.14/standard/beaglebone -> v4.14/standard/beaglebone 873e1c6f41f1..d8fb40cd0e99 v4.14/standard/edgerouter -> v4.14/standard/edgerouter a7112232cd38..258ee8228e0a v4.14/standard/fsl-mpc8315e-rdb -> v4.14/standard/fsl-mpc8315e-rdb a3626e91a9d1..9ed70333fac9 v4.14/standard/intel -> v4.14/standard/intel f755b9ed57cb..5f4bd2042396 v4.14/standard/mti-malta32 -> v4.14/standard/mti-malta32 6a090aa71e6c..5c1de80e91e5 v4.14/standard/mti-malta64 -> v4.14/standard/mti-malta64 c7220ecfe9ba..d86ed237d7cf v4.14/standard/preempt-rt/base -> v4.14/standard/preempt-rt/base 879cc62ecb5e..ee960be9307e v4.14/standard/preempt-rt/intel -> v4.14/standard/preempt-rt/intel b71379749760..a8169837aaf2 v4.14/standard/qemuarm64 -> v4.14/standard/qemuarm64 5022a07d7bdb..2c7af1ccbae2 v4.14/standard/qemuppc -> v4.14/standard/qemuppc 29ed04baa16b..aa7571ecc313 v4.14/standard/tiny/base -> v4.14/standard/tiny/base 1371fce2aedb..fb22c2913bb0 v4.14/standard/tiny/common-pc -> v4.14/standard/tiny/common-pc 868e38925dce..508a14e6f02b v4.14/standard/tiny/intel -> v4.14/standard/tiny/intel 8492e08afbe7..0163da6ef132 v4.18/standard/arm-versatile-926ejs -> v4.18/standard/arm-versatile-926ejs dce546f5a33b..b24d9d2146d4 v4.18/standard/base -> v4.18/standard/base dce546f5a33b..b24d9d2146d4 v4.18/standard/beaglebone -> v4.18/standard/beaglebone dce546f5a33b..b24d9d2146d4 v4.18/standard/edgerouter -> v4.18/standard/edgerouter 32e53bb51eef..0802dc980cbc v4.18/standard/fsl-mpc8315e-rdb -> v4.18/standard/fsl-mpc8315e-rdb dce546f5a33b..b24d9d2146d4 v4.18/standard/intel -> v4.18/standard/intel 45ab7de40ef2..fd55b7eb9074 v4.18/standard/intel-socfpga -> v4.18/standard/intel-socfpga dce546f5a33b..b24d9d2146d4 v4.18/standard/intel-x86 -> v4.18/standard/intel-x86 ecec6866c67a..c755c4907708 v4.18/standard/mti-malta32 -> v4.18/standard/mti-malta32 9de1e96b7587..a5b2107abcdb v4.18/standard/mti-malta64 -> v4.18/standard/mti-malta64 82e47952e138..c92f5f6097c7 v4.18/standard/preempt-rt/base -> v4.18/standard/preempt-rt/base 8d5b34b7c091..e171fe1b498c v4.18/standard/preempt-rt/intel -> v4.18/standard/preempt-rt/intel b96ed399bd53..9a24c2c31a7b v4.18/standard/preempt-rt/intel-x86 -> v4.18/standard/preempt-rt/intel-x86 dce546f5a33b..b24d9d2146d4 v4.18/standard/qemuarm64 -> v4.18/standard/qemuarm64 dce546f5a33b..b24d9d2146d4 v4.18/standard/qemuppc -> v4.18/standard/qemuppc 6163aadae99c..adc7d47598fd v4.18/standard/tiny/arm-versatile-926ejs -> v4.18/standard/tiny/arm-versatile-926ejs dce546f5a33b..b24d9d2146d4 v4.18/standard/tiny/base -> v4.18/standard/tiny/base dce546f5a33b..b24d9d2146d4 v4.18/standard/tiny/common-pc -> v4.18/standard/tiny/common-pc dce546f5a33b..b24d9d2146d4 v4.18/standard/tiny/intel -> v4.18/standard/tiny/intel Bruce On Mon, Apr 15, 2019 at 4:10 AM Kevin Hao <[email protected]> wrote: > > From: Richard Purdie <[email protected]> > > Currently systemtap fails to operate correctly on armv7 systems such as > beaglebone and > soon, qemuarm. > > root@qemuarm:/usr/src/kernel# env -uARCH -uKBUILD_EXTMOD -uCROSS_COMPILE > -uKBUILD_IMAGE -uKCONFIG_CONFIG -uINSTALL_PATH -uLD_LIBRARY_PATH > PATH=/usr/bin:/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin > make -C /lib/modules/4.19.19-yocto-standard/build M=/tmp/staptcNU6M modules > CONFIG_DEBUG_INFO= CONFIG_STACK_VALIDATION= ARCH=arm stap_4321_src.i > --no-print-directory -j2 V=1 > test -e include/generated/autoconf.h -a -e include/config/auto.conf || ( > \ > echo >&2; \ > echo >&2 " ERROR: Kernel configuration is invalid."; \ > echo >&2 " include/generated/autoconf.h or include/config/auto.conf > are missing.";\ > echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix > it."; \ > echo >&2 ; \ > /bin/false) > mkdir -p /tmp/staptcNU6M/.tmp_versions ; rm -f /tmp/staptcNU6M/.tmp_versions/* > make -f ./scripts/Makefile.build obj=/tmp/staptcNU6M > (cat /dev/null; echo kernel//tmp/staptcNU6M/stap_4321.ko;) > > /tmp/staptcNU6M/modules.order > gcc -Wp,-MD,/tmp/staptcNU6M/.stap_4321_src.o.d -nostdinc -isystem > /usr/lib/gcc/arm-poky-linux-gnueabi/8.3.0/include -I./arch/arm/include > -I./arch/arm/include/generated -I./include -I./arch/arm/include/uapi > -I./arch/arm/include/generated/uapi -I./include/uapi > -I./include/generated/uapi -include ./include/linux/kconfig.h -include > ./include/linux/compiler_types.h -D__KERNEL__ -mlittle-endian -Wall -Wundef > -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common > -fshort-wchar -Werror-implicit-function-declaration -Wno-format-security > -std=gnu89 -fno-PIE -DCC_HAVE_ASM_GOTO -fno-dwarf2-cfi-asm > -fno-omit-frame-pointer -mapcs -mno-sched-prolog -fno-ipa-sra > -mabi=aapcs-linux -mfpu=vfp -funwind-tables -marm -Wa,-mno-warn-deprecated > -D__LINUX_ARM_ARCH__=7 -march=armv5t -Wa,-march=armv7-a -msoft-float -Uarm > -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation > -Wno-format-overflow -Wno-int-in-bool-context -Os -Wno-maybe-uninitialized > --param=allow-sto re > -data-races=0 -Wframe-larger-than=1024 -fstack-protector-strong > -Wno-unused-but-set-variable -Wno-unused-const-variable > -fno-omit-frame-pointer -fno-optimize-sibling-calls > -fno-var-tracking-assignments -pg -Wdeclaration-after-statement > -Wno-pointer-sign -Wno-stringop-truncation -fno-strict-overflow > -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack > -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time > -Werror=incompatible-pointer-types -Werror=designated-init > -fmacro-prefix-map=./= -Wno-packed-not-aligned -Iinclude2/asm/mach-default > -I/lib/modules/4.19.19-yocto-standard/build -include > /tmp/staptcNU6M/stapconf_4321.h -D "STP_NO_VELREL_CHECK" -freorder-blocks > -fasynchronous-unwind-tables -Wframe-larger-than=512 -fno-ipa-icf -Wno-unused > -Wno-tautological-compare -Werror -I/usr/share/systemtap/runtime -DMODULE > -DKBUILD_BASENAME='"stap_4321_src"' -DKBUILD_MODNAME='"stap_4321"' -c -o > /tmp/staptcNU6M/stap_4321_src.o /tmp/staptcNU6M/stap_4321 _s > rc.c > /tmp/ccaE9CMG.s: Assembler messages: > /tmp/ccaE9CMG.s:49: Error: selected processor does not support `dmb ish' in > ARM mode > /tmp/ccaE9CMG.s:52: Error: architectural extension `mp' is not allowed for > the current b > > (which was from running the stap command with -v -v -v -k and then being able > to run the command individually) > > Note that it says armv5t above. > > That comes from the code this patch changes > > root@qemuarm:/usr/src/kernel# gcc -march=armv7-a > /tmp/staptcNU6M/stap_4321_aux_0.c > cc1: error: -mfloat-abi=hard: selected processor lacks an FPU > > which makes me wonder if cc-option fails unless -mfpu-vfp is on the > commandline too. > > Since we have a gcc which accepts the armv7-a arch, just remove the cc-option > wrapper unconditionally here. > > Signed-off-by: Richard Purdie <[email protected]> > Signed-off-by: Bruce Ashfield <[email protected]> > --- > Backport a kernel patch from v5.0 to v4.14&v4.18 kernel in order to fix > the same issue on Yocto 2.6. > > arch/arm/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/Makefile b/arch/arm/Makefile > index 1f95ede8063f..9253b7533cb1 100644 > --- a/arch/arm/Makefile > +++ b/arch/arm/Makefile > @@ -64,7 +64,7 @@ KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra) > # macro, but instead defines a whole series of macros which makes > # testing for a specific architecture or later rather impossible. > arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m > -Wa,-march=armv7-m > -arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call > cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) > +arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 > -march=armv7-a -Wa$(comma)-march=armv7-a > arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call > cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) > # Only override the compiler option if ARMv6. The ARMv6K extensions are > # always available in ARMv7 > -- > 2.14.4 > > -- > _______________________________________________ > linux-yocto mailing list > [email protected] > https://lists.yoctoproject.org/listinfo/linux-yocto -- - Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end - "Use the force Harry" - Gandalf, Star Trek II -- _______________________________________________ linux-yocto mailing list [email protected] https://lists.yoctoproject.org/listinfo/linux-yocto
