From: Sathvika Vasireddy <sv@linux.ibm.com> To: linuxppc-dev@lists.ozlabs.org Cc: jpoimboe@redhat.com, peterz@infradead.org, linux-kernel@vger.kernel.org, aik@ozlabs.ru, mpe@ellerman.id.au, mingo@redhat.com, christophe.leroy@csgroup.eu, rostedt@goodmis.org, mbenes@suse.cz, npiggin@gmail.com, chenzhongjin@huawei.com, naveen.n.rao@linux.vnet.ibm.com, sv@linux.ibm.com Subject: [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Date: Mon, 14 Nov 2022 23:27:38 +0530 [thread overview] Message-ID: <20221114175754.1131267-1-sv@linux.ibm.com> (raw) This patchset enables and implements objtool --mcount option on powerpc. This applies atop powerpc/merge branch. Changelog: ---- v6: * Patch 06/16 - Add annotations to assembly files arch/powerpc/kernel/cpu_setup_e500.S and arch/powerpc/kernel/head_85xx.S ---- v5: * Patch 02/16 - Add Reviewed-by tag from Christophe Leroy * Patch 03/16 - Fix merge conflicts with latest powerpc/merge branch * Patch 06/16 - Files arch/powerpc/kernel/cpu_setup_fsl_booke.S and arch/powerpc/kernel/head_fsl_booke.S are not present today. Removed annotations in those assembly files. * Patch 11/16 - Add Reviewed-by tag from Christophe Leroy - Changed scripts/Makefile.lib file to make CONFIG_HAVE_OBJTOOL_NOP_MCOUNT depend on CONFIG_FTRACE_MCOUNT_USE_OBJTOOL. * Patch 12/16 - Add Reviewed-by tag from Christophe Leroy * Patch 16/16 - Add Reviewed-by tag from Christophe Leroy * For this series - Add Acked-by tag from Josh Poimboeuf - Add Tested-by tag from Naveen N. Rao - Add Reviewed-by tag from Naveen N. Rao ---- v4: * Patch 11/16 - Introduce a new config option CONFIG_HAVE_OBJTOOL_NOP_MCOUNT as a means for architectures to enable nop'ing ftrace locations. - Remove Acked-by tag from Peter Zijlstra (Intel), and Reviewed-by tag from Christophe Leroy. [This is done because I reworked the patch to add a new config option to objtool. Please let me know if you want me to retain the tags. Thanks!] * Patch 16/16 - Rework the patch to handle only 'bl' instruction decoding. ---- v3: * Patch 01/16 - Rework patch subject. - Rework changelog. - Add Reviewed-by tag from Christophe Leroy. * Patch 02/16 - Rework changelog to update details based on feedback from Nicholas Piggin and Michael Ellerman. - Use quotes instead of __stringify macro, based on suggestion from Christophe Leroy. * Patch 03/16 - Add Reviewed-by tag from Christophe Leroy. - Based on Christophe's suggestion, keep all <linux/...> before <asm/...>. - Rework changelog. * Patch 04/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 05/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 06/16 - No change. * Patch 07/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 08/16 - Add Acked-by tag from Peter Zijlstra. * Patch 09/16 - Add Acked-by tag from Peter Zijlstra. * Patch 10/16 - Reorder local variable declarations to use reverse xmas tree format. - Add Signed-off-by tag from Sathvika Vasireddy indicating changes done. - Add Acked-by tag from Peter Zijlstra. * Patch 11/16 - Update changelog to indicate that powerpc kernel does not support nop'ed out ftrace locations. - Add Acked-by tag from Peter Zijlstra. - Add Reviewed-by tag from Christophe Leroy. * Patch 12/16 - Per Christophe's comment, rework changelog. * Patch 13/16 - Add Acked-by tag from Peter Zijlstra. - Add Reviewed-by tag from Christophe Leroy. * Patch 14/16 - Simplify arch_ftrace_match() function, based on Christophe's suggestion. - Add Reviewed-by tag from Christophe Leroy. * Patch 15/16 - Include code from Christophe Leroy to use local vars for type and imm, and to adapt len for prefixed instructions. * Patch 16/16 - Based on suggestion from Christophe Leroy, setup immediate value calculation outside the check for specific instruction under case 18. - Set instruction type to INSN_CALL for 'bla' instruction as well. ---- v2: * Change subject of patch 01/16 * As suggested by Christophe Leroy, add barrier_before_unreachable() before __builtin_unreachable() to work around a gcc problem. * Fix issues reported by Kernel Test Robot. * Include suggestions from Christophe Leroy, and change commit messages for patches 01/16, 02/16, 03/16, 05/16. ---- Christophe Leroy (4): objtool: Fix SEGFAULT objtool: Use target file endianness instead of a compiled constant objtool: Use target file class size instead of a compiled constant powerpc: Fix objtool unannotated intra-function call warnings on PPC32 Sathvika Vasireddy (12): powerpc: Fix __WARN_FLAGS() for use with Objtool powerpc: Override __ALIGN and __ALIGN_STR macros powerpc: Fix objtool unannotated intra-function call warnings powerpc: Curb objtool unannotated intra-function warnings powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o powerpc: Skip objtool from running on VDSO files objtool: Add --mnop as an option to --mcount objtool: Read special sections with alts only when specific options are selected objtool: Use macros to define arch specific reloc types objtool: Add arch specific function arch_ftrace_match() objtool/powerpc: Enable objtool to be built on ppc objtool/powerpc: Add --mcount specific implementation Makefile | 4 +- arch/powerpc/Kconfig | 2 + arch/powerpc/include/asm/asm.h | 7 ++ arch/powerpc/include/asm/bug.h | 3 +- arch/powerpc/include/asm/linkage.h | 3 + arch/powerpc/kernel/cpu_setup_6xx.S | 26 +++-- arch/powerpc/kernel/cpu_setup_e500.S | 8 +- arch/powerpc/kernel/entry_32.S | 9 +- arch/powerpc/kernel/entry_64.S | 2 + arch/powerpc/kernel/exceptions-64s.S | 4 +- arch/powerpc/kernel/head_40x.S | 5 +- arch/powerpc/kernel/head_64.S | 7 +- arch/powerpc/kernel/head_85xx.S | 5 +- arch/powerpc/kernel/head_8xx.S | 5 +- arch/powerpc/kernel/head_book3s_32.S | 29 +++-- arch/powerpc/kernel/misc_64.S | 4 +- arch/powerpc/kernel/swsusp_32.S | 5 +- arch/powerpc/kernel/vdso/Makefile | 2 + arch/powerpc/kernel/vector.S | 4 +- arch/powerpc/kvm/book3s_hv_interrupts.S | 4 +- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 25 +++-- arch/powerpc/kvm/fpu.S | 17 ++- arch/powerpc/platforms/52xx/lite5200_sleep.S | 15 ++- arch/x86/Kconfig | 1 + drivers/crypto/vmx/Makefile | 2 + kernel/trace/Kconfig | 7 ++ scripts/Makefile.lib | 3 + tools/objtool/arch/powerpc/Build | 2 + tools/objtool/arch/powerpc/decode.c | 101 ++++++++++++++++++ .../arch/powerpc/include/arch/cfi_regs.h | 11 ++ tools/objtool/arch/powerpc/include/arch/elf.h | 10 ++ .../arch/powerpc/include/arch/special.h | 21 ++++ tools/objtool/arch/powerpc/special.c | 19 ++++ tools/objtool/arch/x86/decode.c | 5 + tools/objtool/arch/x86/include/arch/elf.h | 2 + .../arch/x86/include/arch/endianness.h | 9 -- tools/objtool/builtin-check.c | 14 +++ tools/objtool/check.c | 53 ++++----- tools/objtool/elf.c | 8 +- tools/objtool/include/objtool/arch.h | 2 + tools/objtool/include/objtool/builtin.h | 1 + tools/objtool/include/objtool/elf.h | 8 ++ tools/objtool/include/objtool/endianness.h | 32 +++--- tools/objtool/orc_dump.c | 11 +- tools/objtool/orc_gen.c | 4 +- tools/objtool/special.c | 3 +- 46 files changed, 418 insertions(+), 106 deletions(-) create mode 100644 arch/powerpc/include/asm/asm.h create mode 100644 tools/objtool/arch/powerpc/Build create mode 100644 tools/objtool/arch/powerpc/decode.c create mode 100644 tools/objtool/arch/powerpc/include/arch/cfi_regs.h create mode 100644 tools/objtool/arch/powerpc/include/arch/elf.h create mode 100644 tools/objtool/arch/powerpc/include/arch/special.h create mode 100644 tools/objtool/arch/powerpc/special.c delete mode 100644 tools/objtool/arch/x86/include/arch/endianness.h -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Sathvika Vasireddy <sv@linux.ibm.com> To: linuxppc-dev@lists.ozlabs.org Cc: peterz@infradead.org, npiggin@gmail.com, linux-kernel@vger.kernel.org, aik@ozlabs.ru, mingo@redhat.com, sv@linux.ibm.com, rostedt@goodmis.org, jpoimboe@redhat.com, naveen.n.rao@linux.vnet.ibm.com, mbenes@suse.cz, chenzhongjin@huawei.com Subject: [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Date: Mon, 14 Nov 2022 23:27:38 +0530 [thread overview] Message-ID: <20221114175754.1131267-1-sv@linux.ibm.com> (raw) This patchset enables and implements objtool --mcount option on powerpc. This applies atop powerpc/merge branch. Changelog: ---- v6: * Patch 06/16 - Add annotations to assembly files arch/powerpc/kernel/cpu_setup_e500.S and arch/powerpc/kernel/head_85xx.S ---- v5: * Patch 02/16 - Add Reviewed-by tag from Christophe Leroy * Patch 03/16 - Fix merge conflicts with latest powerpc/merge branch * Patch 06/16 - Files arch/powerpc/kernel/cpu_setup_fsl_booke.S and arch/powerpc/kernel/head_fsl_booke.S are not present today. Removed annotations in those assembly files. * Patch 11/16 - Add Reviewed-by tag from Christophe Leroy - Changed scripts/Makefile.lib file to make CONFIG_HAVE_OBJTOOL_NOP_MCOUNT depend on CONFIG_FTRACE_MCOUNT_USE_OBJTOOL. * Patch 12/16 - Add Reviewed-by tag from Christophe Leroy * Patch 16/16 - Add Reviewed-by tag from Christophe Leroy * For this series - Add Acked-by tag from Josh Poimboeuf - Add Tested-by tag from Naveen N. Rao - Add Reviewed-by tag from Naveen N. Rao ---- v4: * Patch 11/16 - Introduce a new config option CONFIG_HAVE_OBJTOOL_NOP_MCOUNT as a means for architectures to enable nop'ing ftrace locations. - Remove Acked-by tag from Peter Zijlstra (Intel), and Reviewed-by tag from Christophe Leroy. [This is done because I reworked the patch to add a new config option to objtool. Please let me know if you want me to retain the tags. Thanks!] * Patch 16/16 - Rework the patch to handle only 'bl' instruction decoding. ---- v3: * Patch 01/16 - Rework patch subject. - Rework changelog. - Add Reviewed-by tag from Christophe Leroy. * Patch 02/16 - Rework changelog to update details based on feedback from Nicholas Piggin and Michael Ellerman. - Use quotes instead of __stringify macro, based on suggestion from Christophe Leroy. * Patch 03/16 - Add Reviewed-by tag from Christophe Leroy. - Based on Christophe's suggestion, keep all <linux/...> before <asm/...>. - Rework changelog. * Patch 04/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 05/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 06/16 - No change. * Patch 07/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 08/16 - Add Acked-by tag from Peter Zijlstra. * Patch 09/16 - Add Acked-by tag from Peter Zijlstra. * Patch 10/16 - Reorder local variable declarations to use reverse xmas tree format. - Add Signed-off-by tag from Sathvika Vasireddy indicating changes done. - Add Acked-by tag from Peter Zijlstra. * Patch 11/16 - Update changelog to indicate that powerpc kernel does not support nop'ed out ftrace locations. - Add Acked-by tag from Peter Zijlstra. - Add Reviewed-by tag from Christophe Leroy. * Patch 12/16 - Per Christophe's comment, rework changelog. * Patch 13/16 - Add Acked-by tag from Peter Zijlstra. - Add Reviewed-by tag from Christophe Leroy. * Patch 14/16 - Simplify arch_ftrace_match() function, based on Christophe's suggestion. - Add Reviewed-by tag from Christophe Leroy. * Patch 15/16 - Include code from Christophe Leroy to use local vars for type and imm, and to adapt len for prefixed instructions. * Patch 16/16 - Based on suggestion from Christophe Leroy, setup immediate value calculation outside the check for specific instruction under case 18. - Set instruction type to INSN_CALL for 'bla' instruction as well. ---- v2: * Change subject of patch 01/16 * As suggested by Christophe Leroy, add barrier_before_unreachable() before __builtin_unreachable() to work around a gcc problem. * Fix issues reported by Kernel Test Robot. * Include suggestions from Christophe Leroy, and change commit messages for patches 01/16, 02/16, 03/16, 05/16. ---- Christophe Leroy (4): objtool: Fix SEGFAULT objtool: Use target file endianness instead of a compiled constant objtool: Use target file class size instead of a compiled constant powerpc: Fix objtool unannotated intra-function call warnings on PPC32 Sathvika Vasireddy (12): powerpc: Fix __WARN_FLAGS() for use with Objtool powerpc: Override __ALIGN and __ALIGN_STR macros powerpc: Fix objtool unannotated intra-function call warnings powerpc: Curb objtool unannotated intra-function warnings powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o powerpc: Skip objtool from running on VDSO files objtool: Add --mnop as an option to --mcount objtool: Read special sections with alts only when specific options are selected objtool: Use macros to define arch specific reloc types objtool: Add arch specific function arch_ftrace_match() objtool/powerpc: Enable objtool to be built on ppc objtool/powerpc: Add --mcount specific implementation Makefile | 4 +- arch/powerpc/Kconfig | 2 + arch/powerpc/include/asm/asm.h | 7 ++ arch/powerpc/include/asm/bug.h | 3 +- arch/powerpc/include/asm/linkage.h | 3 + arch/powerpc/kernel/cpu_setup_6xx.S | 26 +++-- arch/powerpc/kernel/cpu_setup_e500.S | 8 +- arch/powerpc/kernel/entry_32.S | 9 +- arch/powerpc/kernel/entry_64.S | 2 + arch/powerpc/kernel/exceptions-64s.S | 4 +- arch/powerpc/kernel/head_40x.S | 5 +- arch/powerpc/kernel/head_64.S | 7 +- arch/powerpc/kernel/head_85xx.S | 5 +- arch/powerpc/kernel/head_8xx.S | 5 +- arch/powerpc/kernel/head_book3s_32.S | 29 +++-- arch/powerpc/kernel/misc_64.S | 4 +- arch/powerpc/kernel/swsusp_32.S | 5 +- arch/powerpc/kernel/vdso/Makefile | 2 + arch/powerpc/kernel/vector.S | 4 +- arch/powerpc/kvm/book3s_hv_interrupts.S | 4 +- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 25 +++-- arch/powerpc/kvm/fpu.S | 17 ++- arch/powerpc/platforms/52xx/lite5200_sleep.S | 15 ++- arch/x86/Kconfig | 1 + drivers/crypto/vmx/Makefile | 2 + kernel/trace/Kconfig | 7 ++ scripts/Makefile.lib | 3 + tools/objtool/arch/powerpc/Build | 2 + tools/objtool/arch/powerpc/decode.c | 101 ++++++++++++++++++ .../arch/powerpc/include/arch/cfi_regs.h | 11 ++ tools/objtool/arch/powerpc/include/arch/elf.h | 10 ++ .../arch/powerpc/include/arch/special.h | 21 ++++ tools/objtool/arch/powerpc/special.c | 19 ++++ tools/objtool/arch/x86/decode.c | 5 + tools/objtool/arch/x86/include/arch/elf.h | 2 + .../arch/x86/include/arch/endianness.h | 9 -- tools/objtool/builtin-check.c | 14 +++ tools/objtool/check.c | 53 ++++----- tools/objtool/elf.c | 8 +- tools/objtool/include/objtool/arch.h | 2 + tools/objtool/include/objtool/builtin.h | 1 + tools/objtool/include/objtool/elf.h | 8 ++ tools/objtool/include/objtool/endianness.h | 32 +++--- tools/objtool/orc_dump.c | 11 +- tools/objtool/orc_gen.c | 4 +- tools/objtool/special.c | 3 +- 46 files changed, 418 insertions(+), 106 deletions(-) create mode 100644 arch/powerpc/include/asm/asm.h create mode 100644 tools/objtool/arch/powerpc/Build create mode 100644 tools/objtool/arch/powerpc/decode.c create mode 100644 tools/objtool/arch/powerpc/include/arch/cfi_regs.h create mode 100644 tools/objtool/arch/powerpc/include/arch/elf.h create mode 100644 tools/objtool/arch/powerpc/include/arch/special.h create mode 100644 tools/objtool/arch/powerpc/special.c delete mode 100644 tools/objtool/arch/x86/include/arch/endianness.h -- 2.31.1
next reply other threads:[~2022-11-14 17:59 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-14 17:57 Sathvika Vasireddy [this message] 2022-11-14 17:57 ` [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 01/16] powerpc: Fix __WARN_FLAGS() for use with Objtool Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 02/16] powerpc: Override __ALIGN and __ALIGN_STR macros Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 03/16] powerpc: Fix objtool unannotated intra-function call warnings Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 04/16] powerpc: Curb " Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 05/16] powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 06/16] powerpc: Fix objtool unannotated intra-function call warnings on PPC32 Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 07/16] powerpc: Skip objtool from running on VDSO files Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 08/16] objtool: Fix SEGFAULT Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 09/16] objtool: Use target file endianness instead of a compiled constant Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 10/16] objtool: Use target file class size " Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 11/16] objtool: Add --mnop as an option to --mcount Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 12/16] objtool: Read special sections with alts only when specific options are selected Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 13/16] objtool: Use macros to define arch specific reloc types Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 14/16] objtool: Add arch specific function arch_ftrace_match() Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 15/16] objtool/powerpc: Enable objtool to be built on ppc Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 16/16] objtool/powerpc: Add --mcount specific implementation Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-12-08 13:02 ` [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Michael Ellerman 2022-12-08 13:02 ` Michael Ellerman
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