linux-kernel - Re: [PATCH 8/8] arm64: Enable livepatch for ARM64

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Message-ID: <b7ca6841-a103-48ea-8353-4e8c089e9176@linux.microsoft.com>
Date: Thu, 30 Jan 2025 15:25:20 +0530
From: Prasanna Kumar T S M <ptsm@...ux.microsoft.com>
To: Weinan Liu <wnliu@...gle.com>, Josh Poimboeuf <jpoimboe@...nel.org>,
 Steven Rostedt <rostedt@...dmis.org>, Indu Bhagat <indu.bhagat@...cle.com>,
 Peter Zijlstra <peterz@...radead.org>
Cc: Mark Rutland <mark.rutland@....com>, roman.gushchin@...ux.dev,
 Will Deacon <will@...nel.org>, Ian Rogers <irogers@...gle.com>,
 linux-toolchains@...r.kernel.org, linux-kernel@...r.kernel.org,
 live-patching@...r.kernel.org, joe.lawrence@...hat.com,
 linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 8/8] arm64: Enable livepatch for ARM64


On 28-01-2025 03:03, Weinan Liu wrote:
> Since SFrame is considered as reliable stacktrace, enable livepatch in
> arch/arm64/Kconfig
>
> Signed-off-by: Weinan Liu <wnliu@...gle.com>
> ---
>   arch/arm64/Kconfig | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 100570a048c5..c292bc73b65c 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -271,6 +271,8 @@ config ARM64
>   	select HAVE_SOFTIRQ_ON_OWN_STACK
>   	select USER_STACKTRACE_SUPPORT
>   	select VDSO_GETRANDOM
> +	select HAVE_RELIABLE_STACKTRACE if SFRAME_UNWINDER
> +	select HAVE_LIVEPATCH		if HAVE_DYNAMIC_FTRACE_WITH_ARGS && HAVE_RELIABLE_STACKTRACE
>   	help
>   	  ARM 64-bit (AArch64) Linux support.
>   
> @@ -2498,3 +2500,4 @@ source "drivers/acpi/Kconfig"
>   
>   source "arch/arm64/kvm/Kconfig"
>   
> +source "kernel/livepatch/Kconfig"

Looks good to me.
Reviewed-by: Prasanna Kumar T S M <ptsm@...ux.microsoft.com>.