Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits

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Subject: Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
From: Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
Date: Wed, 16 Feb 2022 11:03:42 -0800
Cc: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Andi Kleen <ak@xxxxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "antonio.gomez.iglesias@xxxxxxxxxxxxxxx" <antonio.gomez.iglesias@xxxxxxxxxxxxxxx>, "neelima.krishnan@xxxxxxxxx" <neelima.krishnan@xxxxxxxxx>, "stable@xxxxxxxxxxxxxxx" <stable@xxxxxxxxxxxxxxx>
In-reply-to: <YgzSR7AdRRU3hCuB@zn.tnic>

On 16.02.2022 11:30, Borislav Petkov wrote:

On Tue, Feb 15, 2022 at 10:08:26PM -0800, Pawan Gupta wrote:

Alternatively, we can reset RTM_ALLOW,


I'd vote for that. Considering how plagued TSX is, I'm sceptical anyone
would be interested in doing development with it so we can reset it for
now and allow enabling it later if there's an actual use case for it...


Okay, I will add RTM_ALLOW reset logic in the next revision.

Thanks,
Pawan

References:
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Borislav Petkov
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Pawan Gupta
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Borislav Petkov
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Pawan Gupta
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Borislav Petkov
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Pawan Gupta
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Andrew Cooper
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Pawan Gupta
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Pawan Gupta
- Re: [PATCH] x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
  - From: Borislav Petkov

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