From: Thomas Gleixner <tglx@linutronix.de>
To: Paolo Bonzini <bonzini@gnu.org>, dave.hansen@linux.intel.com
Cc: yang.zhong@intel.com, ravi.v.shankar@intel.com, mingo@redhat.com,
"Chang S. Bae" <chang.seok.bae@intel.com>,
bp@alien8.de, x86@kernel.org, linux-kernel@vger.kernel.org,
KVM list <kvm@vger.kernel.org>
Subject: Re: ping Re: [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test
Date: Wed, 23 Mar 2022 18:20:24 +0100 [thread overview]
Message-ID: <87wngk8u1z.ffs@tglx> (raw)
In-Reply-To: <87zglg8unk.ffs@tglx>
On Wed, Mar 23 2022 at 18:07, Thomas Gleixner wrote:
> On Wed, Mar 23 2022 at 15:24, Paolo Bonzini wrote:
>> On 3/23/22 13:55, Thomas Gleixner wrote:
>>> --- a/arch/x86/kernel/fpu/xstate.c
>>> +++ b/arch/x86/kernel/fpu/xstate.c
>>> @@ -1625,6 +1625,8 @@ static int __xstate_request_perm(u64 per
>>>
>>> /* Calculate the resulting kernel state size */
>>> mask = permitted | requested;
>>> + /* Take supervisor states into account */
>>> + mask |= xfeatures_mask_supervisor();
>>> ksize = xstate_calculate_size(mask, compacted);
>>>
>>
>> This should be only added in for the !guest case.
>
> Yes, I figured that out already :)
Hrm, that has more consequences vs. the buffer conversion functions. Let
me stare some more.
Thanks,
tglx
prev parent reply other threads:[~2022-03-23 17:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-29 17:36 [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test Chang S. Bae
2022-01-29 17:36 ` [PATCH v4 1/2] x86/arch_prctl: Fix the ARCH_REQ_XCOMP_PERM implementation Chang S. Bae
2022-03-07 12:20 ` Hao Xiang
2022-03-07 18:53 ` Chang S. Bae
2022-03-08 8:36 ` Hao Xiang
2022-03-23 23:31 ` [tip: x86/urgent] x86/fpu/xstate: " tip-bot2 for Yang Zhong
2022-01-29 17:36 ` [PATCH v4 2/2] selftests/x86/amx: Update the ARCH_REQ_XCOMP_PERM test Chang S. Bae
2022-03-23 16:44 ` Thomas Gleixner
2022-03-23 21:27 ` Chang S. Bae
2022-03-23 23:31 ` [tip: x86/urgent] " tip-bot2 for Chang S. Bae
2022-03-23 11:04 ` ping Re: [PATCH v4 0/2] x86: Fix ARCH_REQ_XCOMP_PERM and update the test Paolo Bonzini
2022-03-23 12:27 ` Thomas Gleixner
2022-03-23 12:55 ` Thomas Gleixner
2022-03-23 14:24 ` Paolo Bonzini
2022-03-23 17:07 ` Thomas Gleixner
2022-03-23 17:20 ` Thomas Gleixner [this message]
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