From: Steven Rostedt <rostedt@goodmis.org>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Ralf Baechle <ralf@linux-mips.org>, Arnd Bergmann <arnd@arndb.de>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Kees Cook <keescook@chromium.org>,
Will Deacon <will.deacon@arm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Thomas Garnier <thgarnie@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
"Serge E. Hallyn" <serge@hallyn.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Russell King <linux@armlinux.org.uk>,
Paul Mackerras <paulus@samba.org>,
Catalin Marinas <catalin.marinas@arm.com>,
"David S. Miller" <davem@davemloft.net>,
Petr Mladek <pmladek@suse.com>, Ingo Molnar <mingo@redhat.com>,
James Morris <james.l.morris@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Nicolas Pitre <nico@linaro.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jessica Yu <jeyu@kernel.org>,
linux-arm-kernel@lists.infradead.org, linux-mips@linux-mips.org,
linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
sparclinux@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH v6 5/8] kernel: tracepoints: add support for relative references
Date: Thu, 28 Dec 2017 10:42:07 -0500 [thread overview]
Message-ID: <20171228104207.117ee0ff@gandalf.local.home> (raw)
In-Reply-To: <20171227085033.22389-6-ard.biesheuvel@linaro.org>
On Wed, 27 Dec 2017 08:50:30 +0000
Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> To avoid the need for relocating absolute references to tracepoint
> structures at boot time when running relocatable kernels (which may
> take a disproportionate amount of space), add the option to emit
> these tables as relative references instead.
>
I gave this patch a quick skim over. It appears to not modify anything
when CONFIG_HAVE_PREL32_RELOCATIONS is not defined. I haven't
thoroughly reviewed it or tested it. But if it doesn't break anything,
I'm fine giving you an ack.
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
-- Steve
WARNING: multiple messages have this Message-ID (diff)
From: Steven Rostedt <rostedt@goodmis.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v6 5/8] kernel: tracepoints: add support for relative references
Date: Thu, 28 Dec 2017 15:42:07 +0000 [thread overview]
Message-ID: <20171228104207.117ee0ff@gandalf.local.home> (raw)
In-Reply-To: <20171227085033.22389-6-ard.biesheuvel@linaro.org>
On Wed, 27 Dec 2017 08:50:30 +0000
Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> To avoid the need for relocating absolute references to tracepoint
> structures at boot time when running relocatable kernels (which may
> take a disproportionate amount of space), add the option to emit
> these tables as relative references instead.
>
I gave this patch a quick skim over. It appears to not modify anything
when CONFIG_HAVE_PREL32_RELOCATIONS is not defined. I haven't
thoroughly reviewed it or tested it. But if it doesn't break anything,
I'm fine giving you an ack.
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
-- Steve
WARNING: multiple messages have this Message-ID (diff)
From: rostedt@goodmis.org (Steven Rostedt)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 5/8] kernel: tracepoints: add support for relative references
Date: Thu, 28 Dec 2017 10:42:07 -0500 [thread overview]
Message-ID: <20171228104207.117ee0ff@gandalf.local.home> (raw)
In-Reply-To: <20171227085033.22389-6-ard.biesheuvel@linaro.org>
On Wed, 27 Dec 2017 08:50:30 +0000
Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> To avoid the need for relocating absolute references to tracepoint
> structures at boot time when running relocatable kernels (which may
> take a disproportionate amount of space), add the option to emit
> these tables as relative references instead.
>
I gave this patch a quick skim over. It appears to not modify anything
when CONFIG_HAVE_PREL32_RELOCATIONS is not defined. I haven't
thoroughly reviewed it or tested it. But if it doesn't break anything,
I'm fine giving you an ack.
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
-- Steve
next prev parent reply other threads:[~2017-12-28 15:42 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-27 8:50 [PATCH v6 0/8] add support for relative references in special sections Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` [PATCH v6 1/8] arch: enable relative relocations for arm64, power, x86, s390 and x86 Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 19:54 ` Linus Torvalds
2017-12-27 19:54 ` Linus Torvalds
2017-12-27 19:54 ` Linus Torvalds
2017-12-27 19:59 ` Ard Biesheuvel
2017-12-27 19:59 ` Ard Biesheuvel
2017-12-27 19:59 ` Ard Biesheuvel
2017-12-27 8:50 ` [PATCH v6 2/8] module: use relative references for __ksymtab entries Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 20:07 ` Linus Torvalds
2017-12-27 20:07 ` Linus Torvalds
2017-12-27 20:07 ` Linus Torvalds
2017-12-27 20:11 ` Ard Biesheuvel
2017-12-27 20:11 ` Ard Biesheuvel
2017-12-27 20:11 ` Ard Biesheuvel
2017-12-27 20:13 ` Linus Torvalds
2017-12-27 20:13 ` Linus Torvalds
2017-12-27 20:13 ` Linus Torvalds
2017-12-27 20:24 ` Ard Biesheuvel
2017-12-27 20:24 ` Ard Biesheuvel
2017-12-27 20:24 ` Ard Biesheuvel
2017-12-28 12:05 ` Ingo Molnar
2017-12-28 12:05 ` Ingo Molnar
2017-12-28 12:05 ` Ingo Molnar
2017-12-28 12:39 ` Ard Biesheuvel
2017-12-28 12:39 ` Ard Biesheuvel
2017-12-28 12:39 ` Ard Biesheuvel
2017-12-29 6:42 ` kbuild test robot
2017-12-29 6:42 ` kbuild test robot
2017-12-29 6:42 ` kbuild test robot
2017-12-29 6:42 ` kbuild test robot
2017-12-29 6:42 ` kbuild test robot
2017-12-27 8:50 ` [PATCH v6 3/8] init: allow initcall tables to be emitted using relative references Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` [PATCH v6 4/8] PCI: Add support for relative addressing in quirk tables Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` [PATCH v6 5/8] kernel: tracepoints: add support for relative references Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-28 15:42 ` Steven Rostedt [this message]
2017-12-28 15:42 ` Steven Rostedt
2017-12-28 15:42 ` Steven Rostedt
2017-12-28 23:24 ` Ard Biesheuvel
2017-12-28 23:24 ` Ard Biesheuvel
2017-12-28 23:24 ` Ard Biesheuvel
2017-12-27 8:50 ` [PATCH v6 6/8] kernel/jump_label: abstract jump_entry member accessors Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` [PATCH v6 7/8] arm64/kernel: jump_label: use relative references Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` [PATCH v6 8/8] x86/kernel: jump_table: " Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-27 8:50 ` Ard Biesheuvel
2017-12-28 16:19 ` Steven Rostedt
2017-12-28 16:19 ` Steven Rostedt
2017-12-28 16:19 ` Steven Rostedt
2017-12-28 16:26 ` Ard Biesheuvel
2017-12-28 16:26 ` Ard Biesheuvel
2017-12-28 16:26 ` Ard Biesheuvel
2017-12-28 16:39 ` Steven Rostedt
2017-12-28 16:39 ` Steven Rostedt
2017-12-28 16:39 ` Steven Rostedt
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