From: Mark Rutland <mark.rutland@arm.com>
To: Torsten Duwe <duwe@lst.de>, Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: linux-efi@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Julien Thierry <julien.thierry@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
Ingo Molnar <mingo@redhat.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Amit Daniel Kachhap <amit.kachhap@arm.com>,
live-patching@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v8 2/5] arm64: replace -pg with CC_FLAGS_FTRACE in efi Makefiles
Date: Mon, 8 Apr 2019 16:23:09 +0100 [thread overview]
Message-ID: <20190408152309.GJ6139@lakrids.cambridge.arm.com> (raw)
In-Reply-To: <20190208151011.0807668DD3@newverein.lst.de>
On Fri, Feb 08, 2019 at 04:10:11PM +0100, Torsten Duwe wrote:
> In preparation for arm64 supporting ftrace built on other compiler
> options, let's have makefiles remove the $(CC_FLAGS_FTRACE)
> flags, whatever these may be, rather than assuming '-pg'.
> While at it, fix arm32 as well.
>
> There should be no functional change as a result of this patch.
>
> Signed-off-by: Torsten Duwe <duwe@suse.de>
Ard, would you be happy if we were to take this via the arm64 tree?
Assuming so, can we have your ack?
Thanks,
Mark.
>
> ---
> drivers/firmware/efi/libstub/Makefile | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
> --- a/drivers/firmware/efi/libstub/Makefile
> +++ b/drivers/firmware/efi/libstub/Makefile
> @@ -16,9 +16,9 @@ cflags-$(CONFIG_X86) += -m$(BITS) -D__K
>
> # arm64 uses the full KBUILD_CFLAGS so it's necessary to explicitly
> # disable the stackleak plugin
> -cflags-$(CONFIG_ARM64) := $(subst -pg,,$(KBUILD_CFLAGS)) -fpie \
> - $(DISABLE_STACKLEAK_PLUGIN)
> -cflags-$(CONFIG_ARM) := $(subst -pg,,$(KBUILD_CFLAGS)) \
> +cflags-$(CONFIG_ARM64) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
> + -fpie $(DISABLE_STACKLEAK_PLUGIN)
> +cflags-$(CONFIG_ARM) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
> -fno-builtin -fpic \
> $(call cc-option,-mno-single-pic-base)
>
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next prev parent reply other threads:[~2019-04-08 15:51 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
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
2019-02-11 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
2019-02-11 11:59 ` Mark Rutland
2019-04-08 15:23 ` Mark Rutland [this message]
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
2019-02-11 11:55 ` Mark Rutland
2019-02-11 11:56 ` Mark Rutland
2019-04-08 15:25 ` Mark Rutland
2019-04-08 15:35 ` Andrey Ryabinin
2019-02-08 15:10 ` [PATCH v8 4/5] arm64: implement ftrace with regs Torsten Duwe
2019-02-13 10:30 ` Julien Thierry
2019-02-08 15:10 ` [PATCH v8 5/5] arm64: use -fpatchable-function-entry if available Torsten Duwe
2019-02-13 11:11 ` [PATCH v8 0/5] arm64: ftrace with regs Julien Thierry
2019-03-11 11:49 ` Torsten Duwe
2019-03-11 12:18 ` Mark Rutland
2019-03-29 10:18 ` Torsten Duwe
2019-04-08 15:36 ` Mark Rutland
2019-04-09 17:52 ` Will Deacon
2019-07-10 12:27 ` Ruslan Bilovol
2019-07-24 16:15 ` Mark Rutland
2019-10-16 11:42 ` Jiri Kosina
2019-10-16 17:58 ` Mark Rutland
2019-10-18 17:41 ` Mark Rutland
2019-10-19 11:01 ` Torsten Duwe
2019-10-21 11:37 ` Mark Rutland
2019-10-21 13:20 ` Josh Poimboeuf
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