From: Steven Rostedt <rostedt@goodmis.org>
To: Alexander Potapenko <glider@google.com>
Cc: adech.fo@gmail.com, cl@linux.com, dvyukov@google.com,
akpm@linux-foundation.org, ryabinin.a.a@gmail.com,
iamjoonsoo.kim@lge.com, js1304@gmail.com, kcc@google.com,
kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v4 4/7] arch, ftrace: For KASAN put hard/soft IRQ entries into separate sections
Date: Wed, 2 Mar 2016 12:41:10 -0500 [thread overview]
Message-ID: <20160302124110.3769070a@gandalf.local.home> (raw)
In-Reply-To: <ae0fd7e5bdabbea6ad3f164a3b21e05e6c26deea.1456504662.git.glider@google.com>
On Fri, 26 Feb 2016 17:48:44 +0100
Alexander Potapenko <glider@google.com> wrote:
> KASAN needs to know whether the allocation happens in an IRQ handler.
> This lets us strip everything below the IRQ entry point to reduce the
> number of unique stack traces needed to be stored.
>
> Move the definition of __irq_entry to <linux/interrupt.h> so that the
> users don't need to pull in <linux/ftrace.h>. Also introduce the
> __softirq_entry macro which is similar to __irq_entry, but puts the
> corresponding functions to the .softirqentry.text section.
>
> Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
-- Steve
> ---
> v2: - per request from Steven Rostedt, moved the declarations of __softirq_entry
> and __irq_entry to <linux/interrupt.h>
>
> v3: - minor description changes
> ---
> arch/arm/kernel/vmlinux.lds.S | 1 +
> arch/arm64/kernel/vmlinux.lds.S | 1 +
> arch/blackfin/kernel/vmlinux.lds.S | 1 +
> arch/c6x/kernel/vmlinux.lds.S | 1 +
> arch/metag/kernel/vmlinux.lds.S | 1 +
> arch/microblaze/kernel/vmlinux.lds.S | 1 +
> arch/mips/kernel/vmlinux.lds.S | 1 +
> arch/nios2/kernel/vmlinux.lds.S | 1 +
> arch/openrisc/kernel/vmlinux.lds.S | 1 +
> arch/parisc/kernel/vmlinux.lds.S | 1 +
> arch/powerpc/kernel/vmlinux.lds.S | 1 +
> arch/s390/kernel/vmlinux.lds.S | 1 +
> arch/sh/kernel/vmlinux.lds.S | 1 +
> arch/sparc/kernel/vmlinux.lds.S | 1 +
> arch/tile/kernel/vmlinux.lds.S | 1 +
> arch/x86/kernel/vmlinux.lds.S | 1 +
> include/asm-generic/vmlinux.lds.h | 12 +++++++++++-
> include/linux/ftrace.h | 11 -----------
> include/linux/interrupt.h | 20 ++++++++++++++++++++
> kernel/softirq.c | 2 +-
> kernel/trace/trace_functions_graph.c | 1 +
> 21 files changed, 49 insertions(+), 13 deletions(-)
>
>
--
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next prev parent reply other threads:[~2016-03-02 17:41 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 16:48 [PATCH v4 0/7] SLAB support for KASAN Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 1/7] kasan: Modify kmalloc_large_oob_right(), add kmalloc_pagealloc_oob_right() Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 2/7] mm, kasan: SLAB support Alexander Potapenko
2016-02-29 15:10 ` Andrey Ryabinin
2016-02-29 18:28 ` Alexander Potapenko
2016-02-29 18:33 ` Alexander Potapenko
2016-03-01 14:34 ` Andrey Ryabinin
2016-02-26 16:48 ` [PATCH v4 3/7] mm, kasan: Added GFP flags to KASAN API Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 4/7] arch, ftrace: For KASAN put hard/soft IRQ entries into separate sections Alexander Potapenko
2016-02-27 1:44 ` kbuild test robot
2016-03-02 17:41 ` Steven Rostedt [this message]
2016-02-26 16:48 ` [PATCH v4 5/7] mm, kasan: Stackdepot implementation. Enable stackdepot for SLAB Alexander Potapenko
2016-02-29 16:29 ` Andrey Ryabinin
2016-02-29 17:12 ` Dmitry Vyukov
2016-03-01 11:57 ` Andrey Ryabinin
2016-03-04 14:52 ` Alexander Potapenko
2016-03-04 15:01 ` Andrey Ryabinin
2016-03-04 15:06 ` Alexander Potapenko
2016-03-04 16:30 ` Andrey Ryabinin
2016-03-08 11:42 ` Alexander Potapenko
2016-03-10 16:58 ` Andrey Ryabinin
2016-03-11 11:18 ` Alexander Potapenko
2016-03-11 11:43 ` Andrey Ryabinin
2016-03-11 14:49 ` Alexander Potapenko
2016-03-11 16:10 ` Steven Rostedt
2016-03-08 11:30 ` Alexander Potapenko
2016-02-26 16:48 ` [PATCH v4 6/7] kasan: Test fix: Warn if the UAF could not be detected in kmalloc_uaf2 Alexander Potapenko
2016-02-29 16:31 ` Andrey Ryabinin
2016-02-26 16:48 ` [PATCH v4 7/7] mm: kasan: Initial memory quarantine implementation Alexander Potapenko
2016-02-26 22:28 ` [PATCH v4 0/7] SLAB support for KASAN Andrew Morton
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