From: Will Deacon <will@kernel.org>
To: Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>,
dvyukov@google.com, jpoimboe@redhat.com,
jean-philippe@linaro.org, alexandru.elisei@arm.com,
robin.murphy@arm.com, ardb@kernel.org, daniel@iogearbox.net,
ast@kernel.org, andrii@kernel.org, james.morse@arm.com,
maz@kernel.org, suzuki.poulose@arm.com, peterz@infradead.org,
broonie@kernel.org
Subject: Re: [PATCH v2 00/13] arm64: extable: remove anonymous out-of-line fixups
Date: Thu, 21 Oct 2021 11:05:48 +0100 [thread overview]
Message-ID: <163480952339.754404.256652246298986805.b4-ty@kernel.org> (raw)
In-Reply-To: <20211019160219.5202-1-mark.rutland@arm.com>
On Tue, 19 Oct 2021 17:02:06 +0100, Mark Rutland wrote:
> We recently realised that out-of-line extable fixups cause a number of problems
> for backtracing (mattering both for developers and for RELIABLE_STACKTRACE and
> LIVEPATCH). Dmitry spotted a confusing backtrace, which we identified was due
> to problems with unwinding fixups, as summarized in:
>
> https://lore.kernel.org/linux-arm-kernel/20210927171812.GB9201@C02TD0UTHF1T.local/
>
> [...]
Applied to arm64 (for-next/extable), thanks!
[01/13] arm64: lib: __arch_clear_user(): fold fixups into body
https://git.kernel.org/arm64/c/35d67794b882
[02/13] arm64: lib: __arch_copy_from_user(): fold fixups into body
https://git.kernel.org/arm64/c/4012e0e22739
[03/13] arm64: lib: __arch_copy_to_user(): fold fixups into body
https://git.kernel.org/arm64/c/139f9ab73d60
[04/13] arm64: kvm: use kvm_exception_table_entry
https://git.kernel.org/arm64/c/ae2b2f3384c6
[05/13] arm64: factor out GPR numbering helpers
https://git.kernel.org/arm64/c/8ed1b498ada6
[06/13] arm64: gpr-num: support W registers
https://git.kernel.org/arm64/c/286fba6c2a45
[07/13] arm64: extable: consolidate definitions
https://git.kernel.org/arm64/c/819771cc2892
[08/13] arm64: extable: make fixup_exception() return bool
https://git.kernel.org/arm64/c/e8c328d7de03
[09/13] arm64: extable: use `ex` for `exception_table_entry`
https://git.kernel.org/arm64/c/5d0e79051425
[10/13] arm64: extable: add `type` and `data` fields
https://git.kernel.org/arm64/c/d6e2cc564775
[11/13] arm64: extable: add a dedicated uaccess handler
https://git.kernel.org/arm64/c/2e77a62cb3a6
[12/13] arm64: extable: add load_unaligned_zeropad() handler
https://git.kernel.org/arm64/c/753b32368705
[13/13] arm64: vmlinux.lds.S: remove `.fixup` section
https://git.kernel.org/arm64/c/bf6e667f4738
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2021-10-21 10:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-19 16:02 [PATCH v2 00/13] arm64: extable: remove anonymous out-of-line fixups Mark Rutland
2021-10-19 16:02 ` [PATCH v2 01/13] arm64: lib: __arch_clear_user(): fold fixups into body Mark Rutland
2021-10-19 16:02 ` [PATCH v2 02/13] arm64: lib: __arch_copy_from_user(): " Mark Rutland
2021-10-19 16:02 ` [PATCH v2 03/13] arm64: lib: __arch_copy_to_user(): " Mark Rutland
2021-10-19 16:02 ` [PATCH v2 04/13] arm64: kvm: use kvm_exception_table_entry Mark Rutland
2021-10-21 9:09 ` Marc Zyngier
2021-10-19 16:02 ` [PATCH v2 05/13] arm64: factor out GPR numbering helpers Mark Rutland
2021-10-19 16:02 ` [PATCH v2 06/13] arm64: gpr-num: support W registers Mark Rutland
2021-10-19 16:02 ` [PATCH v2 07/13] arm64: extable: consolidate definitions Mark Rutland
2021-10-19 16:02 ` [PATCH v2 08/13] arm64: extable: make fixup_exception() return bool Mark Rutland
2021-10-19 16:02 ` [PATCH v2 09/13] arm64: extable: use `ex` for `exception_table_entry` Mark Rutland
2021-10-19 16:02 ` [PATCH v2 10/13] arm64: extable: add `type` and `data` fields Mark Rutland
2021-10-19 16:02 ` [PATCH v2 11/13] arm64: extable: add a dedicated uaccess handler Mark Rutland
2021-10-19 16:02 ` [PATCH v2 12/13] arm64: extable: add load_unaligned_zeropad() handler Mark Rutland
2021-10-19 16:02 ` [PATCH v2 13/13] arm64: vmlinux.lds.S: remove `.fixup` section Mark Rutland
2021-10-21 10:05 ` Will Deacon [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=163480952339.754404.256652246298986805.b4-ty@kernel.org \
--to=will@kernel.org \
--cc=alexandru.elisei@arm.com \
--cc=andrii@kernel.org \
--cc=ardb@kernel.org \
--cc=ast@kernel.org \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=daniel@iogearbox.net \
--cc=dvyukov@google.com \
--cc=james.morse@arm.com \
--cc=jean-philippe@linaro.org \
--cc=jpoimboe@redhat.com \
--cc=kernel-team@android.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=peterz@infradead.org \
--cc=robin.murphy@arm.com \
--cc=suzuki.poulose@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).