From: Oliver Upton <oliver.upton@linux.dev>
To: Marc Zyngier <maz@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
mark.rutland@arm.com, broonie@kernel.org,
madvenka@linux.microsoft.com, tabba@google.com,
qperret@google.com, kaleshsingh@google.com, james.morse@arm.com,
alexandru.elisei@arm.com, suzuki.poulose@arm.com,
catalin.marinas@arm.com, andreyknvl@gmail.com,
vincenzo.frascino@arm.com, mhiramat@kernel.org, ast@kernel.org,
wangkefeng.wang@huawei.com, elver@google.com, keirf@google.com,
yuzenghui@huawei.com, ardb@kernel.org, kernel-team@android.com
Subject: Re: [PATCH 0/6] KVM: arm64: nVHE stack unwinder rework
Date: Wed, 27 Jul 2022 16:01:30 +0000 [thread overview]
Message-ID: <YuFhWu78i7EpcG/a@google.com> (raw)
In-Reply-To: <20220727142906.1856759-1-maz@kernel.org>
On Wed, Jul 27, 2022 at 03:29:00PM +0100, Marc Zyngier wrote:
> Hi all,
>
> As Kalesh's series[1] already went through quite a few rounds and that
> it has proved to be an extremely useful debugging help, I'd like to
> queue it for 5.20.
>
> However, there is a couple of nits that I'd like to address:
>
> - the code is extremely hard to follow, due to the include maze and
> the various levels of inline functions that have forward
> declarations...
>
> - there is a subtle bug in the way the kernel on_accessible_stack()
> helper has been rewritten
>
> - the config symbol for the protected unwinder is oddly placed
>
> Instead of going for another round and missing the merge window, I
> propose to stash the following patches on top, which IMHO result in
> something much more readable.
>
> This series directly applies on top of Kalesh's.
>
> [1] https://lore.kernel.org/r/20220726073750.3219117-1-kaleshsingh@google.com
For the series (besides my own patch of course):
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
--
Thanks,
Oliver
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-07-27 16:02 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-26 7:37 [PATCH v6 00/17] KVM nVHE Hypervisor stack unwinder Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 01/17] arm64: stacktrace: Add shared header for common stack unwinding code Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 02/17] arm64: stacktrace: Factor out on_accessible_stack_common() Kalesh Singh
2022-07-26 16:01 ` Marc Zyngier
2022-07-26 16:33 ` Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 03/17] arm64: stacktrace: Factor out unwind_next_common() Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 04/17] arm64: stacktrace: Handle frame pointer from different address spaces Kalesh Singh
2022-07-26 14:34 ` Mark Brown
2022-07-26 15:30 ` Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 05/17] arm64: stacktrace: Factor out common unwind() Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 06/17] arm64: stacktrace: Add description of stacktrace/common.h Kalesh Singh
2022-07-26 14:49 ` Mark Brown
2022-07-26 7:37 ` [PATCH v6 07/17] KVM: arm64: On stack overflow switch to hyp overflow_stack Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 08/17] KVM: arm64: Stub implementation of non-protected nVHE HYP stack unwinder Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 09/17] KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 10/17] KVM: arm64: Implement non-protected nVHE hyp stack unwinder Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 11/17] KVM: arm64: Introduce hyp_dump_backtrace() Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 12/17] KVM: arm64: Add PROTECTED_NVHE_STACKTRACE Kconfig Kalesh Singh
2022-07-26 10:00 ` Marc Zyngier
2022-07-26 15:33 ` Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 13/17] KVM: arm64: Allocate shared pKVM hyp stacktrace buffers Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 14/17] KVM: arm64: Stub implementation of pKVM HYP stack unwinder Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 15/17] KVM: arm64: Save protected-nVHE (pKVM) hyp stacktrace Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 16/17] KVM: arm64: Implement protected nVHE hyp stack unwinder Kalesh Singh
2022-07-26 7:37 ` [PATCH v6 17/17] KVM: arm64: Introduce pkvm_dump_backtrace() Kalesh Singh
2022-07-27 14:29 ` [PATCH 0/6] KVM: arm64: nVHE stack unwinder rework Marc Zyngier
2022-07-27 14:29 ` [PATCH 1/6] KVM: arm64: Move PROTECTED_NVHE_STACKTRACE around Marc Zyngier
2022-07-27 14:29 ` [PATCH 2/6] KVM: arm64: Move nVHE stacktrace unwinding into its own compilation unit Marc Zyngier
2022-07-27 14:29 ` [PATCH 3/6] KVM: arm64: Make unwind()/on_accessible_stack() per-unwinder functions Marc Zyngier
2022-07-27 17:32 ` Mark Brown
2022-07-27 14:29 ` [PATCH 4/6] KVM: arm64: Move nVHE-only helpers into kvm/stacktrace.c Marc Zyngier
2022-07-27 14:29 ` [PATCH 5/6] KVM: arm64: Don't open code ARRAY_SIZE() Marc Zyngier
2022-07-27 14:29 ` [PATCH 6/6] arm64: Update 'unwinder howto' Marc Zyngier
2022-07-27 15:56 ` [PATCH 0/6] KVM: arm64: nVHE stack unwinder rework Kalesh Singh
2022-07-27 16:01 ` Oliver Upton [this message]
2022-07-27 17:45 ` Marc Zyngier
2022-07-27 17:44 ` [PATCH v6 00/17] KVM nVHE Hypervisor stack unwinder Marc Zyngier
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=YuFhWu78i7EpcG/a@google.com \
--to=oliver.upton@linux.dev \
--cc=alexandru.elisei@arm.com \
--cc=andreyknvl@gmail.com \
--cc=ardb@kernel.org \
--cc=ast@kernel.org \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=elver@google.com \
--cc=james.morse@arm.com \
--cc=kaleshsingh@google.com \
--cc=keirf@google.com \
--cc=kernel-team@android.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=madvenka@linux.microsoft.com \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=mhiramat@kernel.org \
--cc=qperret@google.com \
--cc=suzuki.poulose@arm.com \
--cc=tabba@google.com \
--cc=vincenzo.frascino@arm.com \
--cc=wangkefeng.wang@huawei.com \
--cc=yuzenghui@huawei.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).