From: Ard Biesheuvel <ardb@kernel.org>
To: linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org
Cc: Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Linus Walleij <linus.walleij@linaro.org>,
Nick Desaulniers <ndesaulniers@google.com>
Subject: [PATCH 0/8] ARM: ftrace fixes and cleanups
Date: Tue, 25 Jan 2022 16:36:48 +0100 [thread overview]
Message-ID: <20220125153656.1802079-1-ardb@kernel.org> (raw)
This series addresses a number of issues in the ARM support code for
ftrace, mostly related to Thumb2 but affecting other configurations as
well.
Cc: Russell King <linux@armlinux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Ard Biesheuvel (8):
ARM: ftrace: ensure that ADR take Thumb bit into account
ARM: ftrace: use ADD not POP to counter PUSH at entry
ARM: ftrace: use trampolines to keep .init.text in branching range
ARM: ftrace: avoid redundant loads or clobbering IP
ARM: ftrace: avoid unnecessary literal loads
ARM: ftrace: enable HAVE_FUNCTION_GRAPH_FP_TEST
ARM: unwind: track location of LR value in stack frame
ARM: ftrace: enable the graph tracer with the EABI unwinder
arch/arm/Kconfig | 2 +-
arch/arm/Kconfig.debug | 2 +-
arch/arm/include/asm/ftrace.h | 20 +--
arch/arm/include/asm/stacktrace.h | 2 +
arch/arm/kernel/Makefile | 6 +-
arch/arm/kernel/entry-ftrace.S | 128 +++++++++++---------
arch/arm/kernel/ftrace.c | 47 ++++++-
arch/arm/kernel/unwind.c | 7 +-
8 files changed, 125 insertions(+), 89 deletions(-)
--
2.30.2
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next reply other threads:[~2022-01-25 15:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-25 15:36 Ard Biesheuvel [this message]
2022-01-25 15:36 ` [PATCH 1/8] ARM: ftrace: ensure that ADR take Thumb bit into account Ard Biesheuvel
2022-01-25 19:14 ` Nick Desaulniers
2022-02-02 23:53 ` Linus Walleij
2022-01-25 15:36 ` [PATCH 2/8] ARM: ftrace: use ADD not POP to counter PUSH at entry Ard Biesheuvel
2022-01-25 19:23 ` Nick Desaulniers
2022-02-02 23:59 ` Linus Walleij
2022-01-25 15:36 ` [PATCH 3/8] ARM: ftrace: use trampolines to keep .init.text in branching range Ard Biesheuvel
2022-01-25 20:20 ` Nick Desaulniers
2022-02-03 0:12 ` Linus Walleij
2022-01-25 15:36 ` [PATCH 4/8] ARM: ftrace: avoid redundant loads or clobbering IP Ard Biesheuvel
2022-01-25 15:36 ` [PATCH 5/8] ARM: ftrace: avoid unnecessary literal loads Ard Biesheuvel
2022-01-25 20:27 ` Nick Desaulniers
2022-01-25 15:36 ` [PATCH 6/8] ARM: ftrace: enable HAVE_FUNCTION_GRAPH_FP_TEST Ard Biesheuvel
2022-01-25 15:36 ` [PATCH 7/8] ARM: unwind: track location of LR value in stack frame Ard Biesheuvel
2022-01-25 15:36 ` [PATCH 8/8] ARM: ftrace: enable the graph tracer with the EABI unwinder Ard Biesheuvel
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