From: Marc Zyngier <maz@kernel.org>
To: Kalesh Singh <kaleshsingh@google.com>
Cc: mark.rutland@arm.com, broonie@kernel.org,
madvenka@linux.microsoft.com, will@kernel.org,
qperret@google.com, tabba@google.com, james.morse@arm.com,
alexandru.elisei@arm.com, suzuki.poulose@arm.com,
catalin.marinas@arm.com, andreyknvl@gmail.com,
russell.king@oracle.com, vincenzo.frascino@arm.com,
mhiramat@kernel.org, ast@kernel.org, drjones@redhat.com,
wangkefeng.wang@huawei.com, elver@google.com, keirf@google.com,
yuzenghui@huawei.com, ardb@kernel.org, oupton@google.com,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org,
android-mm@google.com, kernel-team@android.com
Subject: Re: [PATCH v4 06/18] arm64: stacktrace: Add description of stacktrace/common.h
Date: Sun, 17 Jul 2022 10:57:47 +0100 [thread overview]
Message-ID: <87k08c3vtw.wl-maz@kernel.org> (raw)
In-Reply-To: <20220715061027.1612149-7-kaleshsingh@google.com>
On Fri, 15 Jul 2022 07:10:15 +0100,
Kalesh Singh <kaleshsingh@google.com> wrote:
>
> Add brief description on how to use stacktrace/common.h to implement
> a stack unwinder.
>
> Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
> ---
> arch/arm64/include/asm/stacktrace/common.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/include/asm/stacktrace/common.h b/arch/arm64/include/asm/stacktrace/common.h
> index f86efe71479d..b362086f4c70 100644
> --- a/arch/arm64/include/asm/stacktrace/common.h
> +++ b/arch/arm64/include/asm/stacktrace/common.h
> @@ -2,6 +2,14 @@
> /*
> * Common arm64 stack unwinder code.
> *
> + * To implement a new arm64 stack unwinder:
> + * 1) Include this header
> + *
> + * 2) Provide implementations for the following functions:
> + * - on_overflow_stack()
> + * - on_accessible_stack()
> + * - unwind_next()
A short description of what these helpers are supposed to do would
also be helpful.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
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next prev parent reply other threads:[~2022-07-17 9:59 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-15 6:10 [PATCH v4 00/18] KVM nVHE Hypervisor stack unwinder Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 01/18] arm64: stacktrace: Add shared header for common stack unwinding code Kalesh Singh
2022-07-15 12:37 ` Mark Brown
2022-07-15 13:58 ` Fuad Tabba
2022-07-18 12:52 ` Russell King (Oracle)
2022-07-18 15:26 ` Kalesh Singh
2022-07-18 16:00 ` Russell King (Oracle)
2022-07-15 6:10 ` [PATCH v4 02/18] arm64: stacktrace: Factor out on_accessible_stack_common() Kalesh Singh
2022-07-15 13:58 ` Fuad Tabba
2022-07-15 16:28 ` Mark Brown
2022-07-15 6:10 ` [PATCH v4 03/18] arm64: stacktrace: Factor out unwind_next_common() Kalesh Singh
2022-07-15 13:58 ` Fuad Tabba
2022-07-15 16:29 ` Mark Brown
2022-07-15 6:10 ` [PATCH v4 04/18] arm64: stacktrace: Handle frame pointer from different address spaces Kalesh Singh
2022-07-15 13:56 ` Fuad Tabba
2022-07-18 17:40 ` Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 05/18] arm64: stacktrace: Factor out common unwind() Kalesh Singh
2022-07-15 13:58 ` Fuad Tabba
2022-07-15 6:10 ` [PATCH v4 06/18] arm64: stacktrace: Add description of stacktrace/common.h Kalesh Singh
2022-07-15 13:59 ` Fuad Tabba
2022-07-17 9:57 ` Marc Zyngier [this message]
2022-07-18 16:53 ` Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 07/18] KVM: arm64: On stack overflow switch to hyp overflow_stack Kalesh Singh
2022-07-18 9:46 ` Fuad Tabba
2022-07-15 6:10 ` [PATCH v4 08/18] KVM: arm64: Add PROTECTED_NVHE_STACKTRACE Kconfig Kalesh Singh
2022-07-18 6:55 ` Marc Zyngier
2022-07-18 17:03 ` Kalesh Singh
2022-07-19 10:35 ` Marc Zyngier
2022-07-19 18:23 ` Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 09/18] KVM: arm64: Allocate shared pKVM hyp stacktrace buffers Kalesh Singh
2022-07-18 7:13 ` Marc Zyngier
2022-07-18 17:27 ` Kalesh Singh
2022-07-18 10:00 ` Fuad Tabba
2022-07-15 6:10 ` [PATCH v4 10/18] KVM: arm64: Stub implementation of pKVM HYP stack unwinder Kalesh Singh
2022-07-18 7:20 ` Marc Zyngier
2022-07-15 6:10 ` [PATCH v4 11/18] KVM: arm64: Stub implementation of non-protected nVHE " Kalesh Singh
2022-07-18 7:30 ` Marc Zyngier
2022-07-18 16:51 ` Kalesh Singh
2022-07-18 16:57 ` Marc Zyngier
2022-07-15 6:10 ` [PATCH v4 12/18] KVM: arm64: Save protected-nVHE (pKVM) hyp stacktrace Kalesh Singh
2022-07-18 9:36 ` Marc Zyngier
2022-07-18 17:32 ` Kalesh Singh
2022-07-18 10:07 ` Fuad Tabba
2022-07-18 17:36 ` Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 13/18] KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 14/18] KVM: arm64: Implement protected nVHE hyp stack unwinder Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 15/18] KVM: arm64: Implement non-protected " Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 16/18] KVM: arm64: Introduce pkvm_dump_backtrace() Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 17/18] KVM: arm64: Introduce hyp_dump_backtrace() Kalesh Singh
2022-07-15 6:10 ` [PATCH v4 18/18] KVM: arm64: Dump nVHE hypervisor stack on panic Kalesh Singh
2022-07-15 13:55 ` [PATCH v4 00/18] KVM nVHE Hypervisor stack unwinder Fuad Tabba
2022-07-15 18:58 ` Kalesh Singh
2022-07-16 0:04 ` Kalesh Singh
2022-07-19 10:43 ` Marc Zyngier
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