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From: "Ahmed S. Darwish" <darwi@linutronix.de>
To: Ashish Kalra <Ashish.Kalra@amd.com>
Cc: tglx@kernel.org, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
	seanjc@google.com, peterz@infradead.org, thomas.lendacky@amd.com,
	herbert@gondor.apana.org.au, davem@davemloft.net,
	ardb@kernel.org, pbonzini@redhat.com, aik@amd.com,
	Michael.Roth@amd.com, KPrateek.Nayak@amd.com,
	Tycho.Andersen@amd.com, Nathan.Fontenot@amd.com,
	jackyli@google.com, pgonda@google.com, rientjes@google.com,
	jacobhxu@google.com, xin@zytor.com,
	pawan.kumar.gupta@linux.intel.com, babu.moger@amd.com,
	dyoung@redhat.com, nikunj@amd.com, john.allen@amd.com,
	linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
	kvm@vger.kernel.org, linux-coco@lists.linux.dev
Subject: Re: [PATCH 6/6] x86/sev: Add debugfs support for RMPOPT
Date: Tue, 17 Feb 2026 23:42:46 +0100	[thread overview]
Message-ID: <aZTu5uNEkYj3WFZa@lx-t490> (raw)
In-Reply-To: <f34a0d2804bbe7b320bb6c203960aaa3139dd57a.1771321114.git.ashish.kalra@amd.com>

On Tue, 17 Feb 2026, Ashish Kalra wrote:
>
> To dump the per-CPU RMPOPT status for all system RAM:
>
> /sys/kernel/debug/rmpopt# cat rmpopt-table
>
...
> +
> +static void rmpopt_debugfs_setup(void)
> +{
> +	rmpopt_debugfs = debugfs_create_dir("rmpopt", NULL);
> +

For mainline, this should be under /sys/kernel/debug/x86/ instead:

    dir = debugfs_create_dir("rmpopt", arch_debugfs_dir);

Thanks,
Ahmed

  reply	other threads:[~2026-02-17 22:42 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-17 20:09 [PATCH 0/6] Add RMPOPT support Ashish Kalra
2026-02-17 20:09 ` [PATCH 1/6] x86/cpufeatures: Add X86_FEATURE_AMD_RMPOPT feature flag Ashish Kalra
2026-02-17 23:06   ` Ahmed S. Darwish
2026-02-17 20:10 ` [PATCH 2/6] x86/sev: add support for enabling RMPOPT Ashish Kalra
2026-02-17 22:06   ` Dave Hansen
2026-02-18  3:08     ` K Prateek Nayak
2026-02-18 14:59       ` Dave Hansen
2026-02-18 16:55         ` Kalra, Ashish
2026-02-18 17:01           ` Dave Hansen
2026-02-18 17:07             ` Kalra, Ashish
2026-02-18 17:17               ` Dave Hansen
2026-02-18 22:17     ` Kalra, Ashish
2026-02-18 22:56       ` Dave Hansen
2026-02-17 20:10 ` [PATCH 3/6] x86/sev: add support for RMPOPT instruction Ashish Kalra
2026-02-18 16:28   ` Uros Bizjak
2026-02-17 20:11 ` [PATCH 4/6] x86/sev: Add interface to re-enable RMP optimizations Ashish Kalra
2026-02-17 20:11 ` [PATCH 5/6] x86/sev: Use configfs " Ashish Kalra
2026-02-17 22:19   ` Dave Hansen
2026-02-18  3:34     ` Kalra, Ashish
2026-02-18  4:39       ` Kalra, Ashish
2026-02-18 15:10       ` Dave Hansen
2026-02-17 20:11 ` [PATCH 6/6] x86/sev: Add debugfs support for RMPOPT Ashish Kalra
2026-02-17 22:42   ` Ahmed S. Darwish [this message]
2026-02-17 22:11 ` [PATCH 0/6] Add RMPOPT support Dave Hansen
2026-02-18  4:12   ` Kalra, Ashish
2026-02-18 15:03     ` Dave Hansen
2026-02-18 17:03       ` Kalra, Ashish
2026-02-18 17:15         ` Dave Hansen
2026-02-18 21:09           ` Kalra, Ashish

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