From: Will Deacon <will@kernel.org>
To: linux-arm-kernel@lists.infradead.org
Cc: Will Deacon <will@kernel.org>,
Tamas Zsoldos <tamas.zsoldos@arm.com>,
Mark Brown <broonie@kernel.org>,
kernel-team@android.com, Dave Martin <dave.martin@arm.com>,
Daniel Kiss <daniel.kiss@arm.com>
Subject: [PATCH v2 0/2] arm64 sigreturn unwinding fixes
Date: Tue, 19 May 2020 17:28:19 +0100 [thread overview]
Message-ID: <20200519162821.16857-1-will@kernel.org> (raw)
Hi again,
Hot off the press, here's v2 of the sigreturn unwinding fixes I sent out
early on today:
https://lore.kernel.org/r/20200519121818.14511-1-will@kernel.org
Changes since v1 include:
* Retain all CFI directives, as they are needed for unwinding after all
* Add tonnes of comments
* Squash the last two patches
* Use SYM_CODE_{START,END} instead of open-coding it
* Update Fixes: tag
Please have a look, and give it a spin with your favourite unwinder.
Ta,
Will
Cc: Dave Martin <dave.martin@arm.com>
Cc: Tamas Zsoldos <tamas.zsoldos@arm.com>
Cc: Daniel Kiss <daniel.kiss@arm.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: <kernel-team@android.com>
--->8
Will Deacon (2):
arm64: vdso: Don't prefix sigreturn trampoline with a BTI C
instruction
arm64: vdso: Fix CFI directives in sigreturn trampoline
arch/arm64/kernel/vdso/sigreturn.S | 47 +++++++++++++++++++++++-----
arch/arm64/kernel/vdso32/sigreturn.S | 16 +++++-----
2 files changed, 48 insertions(+), 15 deletions(-)
--
2.26.2.761.g0e0b3e54be-goog
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next reply other threads:[~2020-05-19 16:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 16:28 Will Deacon [this message]
2020-05-19 16:28 ` [PATCH v2 1/2] arm64: vdso: Don't prefix sigreturn trampoline with a BTI C instruction Will Deacon
2020-05-19 16:33 ` Mark Brown
2020-05-20 9:33 ` Dave Martin
2020-05-20 9:53 ` Will Deacon
2020-05-19 16:28 ` [PATCH v2 2/2] arm64: vdso: Fix CFI directives in sigreturn trampoline Will Deacon
2020-05-20 9:42 ` Dave Martin
2020-05-20 9:50 ` Will Deacon
2020-05-20 10:27 ` Dave Martin
2020-05-20 10:36 ` Will Deacon
2020-05-20 11:03 ` Dave Martin
2020-05-20 10:48 ` Will Deacon
2020-05-20 11:06 ` Dave Martin
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