linux-kernel - Re: [PATCH 2/5] perf: Hoist perf_instruction_pointer() and perf_misc

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Message-ID: <Ztl-AjEEbIbX4lnm@gmail.com>
Date: Thu, 5 Sep 2024 11:46:42 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Colton Lewis <coltonlewis@...gle.com>
Cc: kvm@...r.kernel.org, Oliver Upton <oliver.upton@...ux.dev>,
	Sean Christopherson <seanjc@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Will Deacon <will@...nel.org>, Russell King <linux@...linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Naveen N Rao <naveen@...nel.org>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Sven Schnelle <svens@...ux.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H . Peter Anvin" <hpa@...or.com>, linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org
Subject: Re: [PATCH 2/5] perf: Hoist perf_instruction_pointer() and
 perf_misc_flags()


* Colton Lewis <coltonlewis@...gle.com> wrote:

> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -6915,6 +6915,16 @@ void perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *cbs)
>  EXPORT_SYMBOL_GPL(perf_unregister_guest_info_callbacks);
>  #endif
>  
> +unsigned long perf_misc_flags(unsigned long pt_regs *regs)
> +{
> +	return perf_arch_misc_flags(regs);
> +}
> +
> +unsigned long perf_instruction_pointer(unsigned long pt_regs *regs)
> +{
> +	return perf_arch_instruction_pointer(regs);
> +}

What's an 'unsigned long pt_regs' ??

Thanks,

	Ingo