From: Khalid Ali <khaliidcaliy@gmail.com>
To: peterz@infradead.org
Cc: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com,
khaliidcaliy@gmail.com, lenb@kernel.org,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
mingo@redhat.com, rafael@kernel.org, tglx@linutronix.de,
x86@kernel.org
Subject: Re: [PATCH] x86/ACPI: invalidate all cache lines on ACPI C-state transitions
Date: Mon, 26 May 2025 13:45:33 +0000 [thread overview]
Message-ID: <20250526134600.619-1-khaliidcaliy@gmail.com> (raw)
In-Reply-To: <20250526120029.GR39944@noisy.programming.kicks-ass.net>
> This is absolutely insane. This day and age, nobody should use WBINVD
> ever. We've managed to not do this for decades, and I'm thinking that
> either the SPEC is 'mistaken' or otherwise out of line with reality.
> If you hate performance, and you want to break things like CAT, feel
> free to put this in your own kernel.
Sorry, i made a mistake, i meant ACPI 6.4 and 6.5. I already resent this patch
please check the resended one.
next prev parent reply other threads:[~2025-05-26 13:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-25 18:00 [PATCH] x86/ACPI: invalidate all cache lines on ACPI C-state transitions Khalid Ali
2025-05-26 12:00 ` Peter Zijlstra
2025-05-26 13:45 ` Khalid Ali [this message]
2025-05-26 16:07 ` Peter Zijlstra
2025-05-26 17:04 ` Khalid Ali
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