From: duwe@lst.de (Torsten Duwe) To: Mark Rutland <mark.rutland@arm.com>, Will Deacon <will.deacon@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Julien Thierry <julien.thierry@arm.com>, Steven Rostedt <rostedt@goodmis.org>, Josh Poimboeuf <jpoimboe@redhat.com>, Ingo Molnar <mingo@redhat.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Arnd Bergmann <arnd@arndb.de>, AKASHI Takahiro <takahiro.akashi@linaro.org>, Amit Daniel Kachhap <amit.kachhap@arm.com> Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org Subject: [PATCH v8 0/5] arm64: ftrace with regs Date: Fri, 8 Feb 2019 16:08:26 +0100 (CET) [thread overview] Message-ID: <20190208150826.44EBC68DD2@newverein.lst.de> (raw) Patch series v8, as discussed. The whole series applies cleanly on 5.0-rc5 --- arch/arm64/Kconfig | 4 + arch/arm64/Makefile | 10 ++ arch/arm64/include/asm/ftrace.h | 16 ++++ arch/arm64/include/asm/module.h | 3 arch/arm64/kernel/Makefile | 12 +-- arch/arm64/kernel/entry-ftrace.S | 125 ++++++++++++++++++++++++++++++++-- arch/arm64/kernel/ftrace.c | 117 ++++++++++++++++++++++++------- arch/arm64/kernel/module-plts.c | 3 arch/arm64/kernel/module.c | 2 arch/arm64/lib/Makefile | 4 - drivers/firmware/efi/libstub/Makefile | 12 +-- include/asm-generic/vmlinux.lds.h | 2 include/linux/compiler_types.h | 4 + kernel/module.c | 14 +++ mm/kasan/Makefile | 8 +- 15 files changed, 281 insertions(+), 55 deletions(-) --- changes since v7: * -pg -> $(CC_FLAGS_FTRACE) cleanup now split according to subtree maintainership. * REC_IP_BRANCH_OFFSET is gone, the functionality went into ftrace_call_adjust(), where it belongs. * MOV_X9_X30 macro is gone (why did we argue about its name anyway?); it is only used once now in the initial ftrace_make_nop new helper function ftrace_setup_lr_saver(), suggested by Julien. * call site processing was missing for modules. Fixed. changes since v6: * change the stack layout once more; I hope I have it the "standard" way now. And yes, it looks simpler and cleaner; thanks, Mark, for nagging. * split out the independent Kconfig and Makefile changes * fixed style issues * s/fp/x29/g * MCOUNT_ADDR is now merely a 64-bit magic, as this is totally sufficient. * QUICK_LR_SAVE renamed back to MOV_X9_X30. * place MOV_X9_X30 insns on bootup, and only flip b <-> nop at runtime * graph tracer "ifdeffery" reshuffle Torsten
WARNING: multiple messages have this Message-ID (diff)
From: duwe@lst.de (Torsten Duwe) To: Mark Rutland <mark.rutland@arm.com>, Will Deacon <will.deacon@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Julien Thierry <julien.thierry@arm.com>, Steven Rostedt <rostedt@goodmis.org>, Josh Poimboeuf <jpoimboe@redhat.com>, Ingo Molnar <mingo@redhat.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Arnd Bergmann <arnd@arndb.de>, AKASHI Takahiro <takahiro.akashi@linaro.org>, Amit Daniel Kachhap <amit.kachhap@arm.com> Cc: live-patching@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 0/5] arm64: ftrace with regs Date: Fri, 8 Feb 2019 16:08:26 +0100 (CET) [thread overview] Message-ID: <20190208150826.44EBC68DD2@newverein.lst.de> (raw) Patch series v8, as discussed. The whole series applies cleanly on 5.0-rc5 --- arch/arm64/Kconfig | 4 + arch/arm64/Makefile | 10 ++ arch/arm64/include/asm/ftrace.h | 16 ++++ arch/arm64/include/asm/module.h | 3 arch/arm64/kernel/Makefile | 12 +-- arch/arm64/kernel/entry-ftrace.S | 125 ++++++++++++++++++++++++++++++++-- arch/arm64/kernel/ftrace.c | 117 ++++++++++++++++++++++++------- arch/arm64/kernel/module-plts.c | 3 arch/arm64/kernel/module.c | 2 arch/arm64/lib/Makefile | 4 - drivers/firmware/efi/libstub/Makefile | 12 +-- include/asm-generic/vmlinux.lds.h | 2 include/linux/compiler_types.h | 4 + kernel/module.c | 14 +++ mm/kasan/Makefile | 8 +- 15 files changed, 281 insertions(+), 55 deletions(-) --- changes since v7: * -pg -> $(CC_FLAGS_FTRACE) cleanup now split according to subtree maintainership. * REC_IP_BRANCH_OFFSET is gone, the functionality went into ftrace_call_adjust(), where it belongs. * MOV_X9_X30 macro is gone (why did we argue about its name anyway?); it is only used once now in the initial ftrace_make_nop new helper function ftrace_setup_lr_saver(), suggested by Julien. * call site processing was missing for modules. Fixed. changes since v6: * change the stack layout once more; I hope I have it the "standard" way now. And yes, it looks simpler and cleaner; thanks, Mark, for nagging. * split out the independent Kconfig and Makefile changes * fixed style issues * s/fp/x29/g * MCOUNT_ADDR is now merely a 64-bit magic, as this is totally sufficient. * QUICK_LR_SAVE renamed back to MOV_X9_X30. * place MOV_X9_X30 insns on bootup, and only flip b <-> nop at runtime * graph tracer "ifdeffery" reshuffle Torsten _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2019-02-08 15:08 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-08 15:08 Torsten Duwe [this message] 2019-02-08 15:08 ` [PATCH v8 0/5] arm64: ftrace with regs Torsten Duwe 2019-02-08 15:10 ` [PATCH v8 1/5] arm64: replace -pg with CC_FLAGS_FTRACE in arm64 Makefiles Torsten Duwe 2019-02-08 15:10 ` Torsten Duwe 2019-02-11 11:53 ` Mark Rutland 2019-02-11 11:53 ` Mark Rutland 2019-02-08 15:10 ` [PATCH v8 2/5] arm64: replace -pg with CC_FLAGS_FTRACE in efi Makefiles Torsten Duwe 2019-02-08 15:10 ` Torsten Duwe 2019-02-11 11:59 ` Mark Rutland 2019-02-11 11:59 ` Mark Rutland 2019-04-08 15:23 ` Mark Rutland 2019-04-08 15:23 ` Mark Rutland 2019-04-08 20:49 ` Ard Biesheuvel 2019-04-08 20:49 ` Ard Biesheuvel 2019-02-08 15:10 ` [PATCH v8 3/5] arm64: replace -pg with CC_FLAGS_FTRACE in mm/kasan Makefile Torsten Duwe 2019-02-08 15:10 ` Torsten Duwe 2019-02-11 11:55 ` Mark Rutland 2019-02-11 11:55 ` Mark Rutland 2019-02-11 11:56 ` Mark Rutland 2019-02-11 11:56 ` Mark Rutland 2019-04-08 15:25 ` Mark Rutland 2019-04-08 15:25 ` Mark Rutland 2019-04-08 15:35 ` Andrey Ryabinin 2019-04-08 15:35 ` Andrey Ryabinin 2019-02-08 15:10 ` [PATCH v8 4/5] arm64: implement ftrace with regs Torsten Duwe 2019-02-08 15:10 ` Torsten Duwe 2019-02-13 10:30 ` Julien Thierry 2019-02-13 10:30 ` Julien Thierry 2019-02-08 15:10 ` [PATCH v8 5/5] arm64: use -fpatchable-function-entry if available Torsten Duwe 2019-02-08 15:10 ` Torsten Duwe 2019-02-13 11:11 ` [PATCH v8 0/5] arm64: ftrace with regs Julien Thierry 2019-02-13 11:11 ` Julien Thierry 2019-03-11 11:49 ` Torsten Duwe 2019-03-11 11:49 ` Torsten Duwe 2019-03-11 12:18 ` Mark Rutland 2019-03-11 12:18 ` Mark Rutland 2019-03-29 10:18 ` Torsten Duwe 2019-03-29 10:18 ` Torsten Duwe 2019-04-08 15:36 ` Mark Rutland 2019-04-08 15:36 ` Mark Rutland 2019-04-09 17:52 ` Will Deacon 2019-04-09 17:52 ` Will Deacon 2019-07-10 12:27 ` Ruslan Bilovol 2019-07-10 12:27 ` Ruslan Bilovol 2019-07-24 16:15 ` Mark Rutland 2019-07-24 16:15 ` Mark Rutland 2019-10-16 11:42 ` Jiri Kosina 2019-10-16 11:42 ` Jiri Kosina 2019-10-16 17:58 ` Mark Rutland 2019-10-16 17:58 ` Mark Rutland 2019-10-18 17:41 ` Mark Rutland 2019-10-18 17:41 ` Mark Rutland 2019-10-19 11:01 ` Torsten Duwe 2019-10-19 11:01 ` Torsten Duwe 2019-10-21 11:37 ` Mark Rutland 2019-10-21 11:37 ` Mark Rutland 2019-10-21 13:20 ` Josh Poimboeuf 2019-10-21 13:20 ` Josh Poimboeuf
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