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From: Jim Mattson <jmattson@google.com>
To: Babu Moger <babu.moger@amd.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Sean Christopherson <sean.j.christopherson@intel.com>,
	kvm list <kvm@vger.kernel.org>, Joerg Roedel <joro@8bytes.org>,
	"the arch/x86 maintainers" <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	"H . Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v3 04/11] KVM: SVM: Modify intercept_exceptions to generic intercepts
Date: Wed, 29 Jul 2020 13:47:30 -0700	[thread overview]
Message-ID: <CALMp9eTO-Det6u3Fa2Lrzkgw7SRj=Jbf2kJ1YuokZRmCEpj=EA@mail.gmail.com> (raw)
In-Reply-To: <159597949343.12744.9555364824745485311.stgit@bmoger-ubuntu>

On Tue, Jul 28, 2020 at 4:38 PM Babu Moger <babu.moger@amd.com> wrote:
>
> Modify intercept_exceptions to generic intercepts in vmcb_control_area.
> Use the generic __set_intercept, __clr_intercept and __is_intercept to
> set the intercept_exceptions bits.
>
> Signed-off-by: Babu Moger <babu.moger@amd.com>
> ---

> @@ -52,6 +54,25 @@ enum {
>         INTERCEPT_DR5_WRITE,
>         INTERCEPT_DR6_WRITE,
>         INTERCEPT_DR7_WRITE,
> +       /* Byte offset 008h (Vector 2) */
> +       INTERCEPT_DE_VECTOR = 64 + DE_VECTOR,
> +       INTERCEPT_DB_VECTOR,
> +       INTERCEPT_BP_VECTOR = 64 + BP_VECTOR,
> +       INTERCEPT_OF_VECTOR,
> +       INTERCEPT_BR_VECTOR,
> +       INTERCEPT_UD_VECTOR,
> +       INTERCEPT_NM_VECTOR,
> +       INTERCEPT_DF_VECTOR,
> +       INTERCEPT_TS_VECTOR = 64 + TS_VECTOR,
> +       INTERCEPT_NP_VECTOR,
> +       INTERCEPT_SS_VECTOR,
> +       INTERCEPT_GP_VECTOR,
> +       INTERCEPT_PF_VECTOR,
> +       INTERCEPT_MF_VECTOR = 64 + MF_VECTOR,
> +       INTERCEPT_AC_VECTOR,
> +       INTERCEPT_MC_VECTOR,
> +       INTERCEPT_XM_VECTOR,
> +       INTERCEPT_VE_VECTOR,
>  };

I think it's demanding a lot of the reader to know where there are and
are not gaps in the allocated hardware exception vectors. Perhaps all
of the above enumeration definitions could have initializers? Either
way...

Reviewed-by: Jim Mattson <jmattson@google.com>

  reply	other threads:[~2020-07-29 20:47 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28 23:37 [PATCH v3 00/11] SVM cleanup and INVPCID support for the AMD guests Babu Moger
2020-07-28 23:37 ` [PATCH v3 01/11] KVM: SVM: Introduce __set_intercept, __clr_intercept and __is_intercept Babu Moger
2020-07-28 23:50   ` Jim Mattson
2020-07-29 23:09   ` Paolo Bonzini
2020-07-30 16:34     ` Babu Moger
2020-07-28 23:38 ` [PATCH v3 02/11] KVM: SVM: Change intercept_cr to generic intercepts Babu Moger
2020-07-28 23:56   ` Jim Mattson
2020-07-29 16:08     ` Babu Moger
2020-07-29 23:08       ` Paolo Bonzini
2020-07-28 23:38 ` [PATCH v3 03/11] KVM: SVM: Change intercept_dr " Babu Moger
2020-07-28 23:59   ` Jim Mattson
2020-07-29 16:15     ` Babu Moger
2020-07-29 23:12     ` Paolo Bonzini
2020-07-30 16:38       ` Babu Moger
2020-07-30 22:41         ` Babu Moger
2020-07-30 22:49           ` Paolo Bonzini
2020-07-28 23:38 ` [PATCH v3 04/11] KVM: SVM: Modify intercept_exceptions " Babu Moger
2020-07-29 20:47   ` Jim Mattson [this message]
2020-07-29 21:31     ` Babu Moger
2020-07-28 23:38 ` [PATCH v3 05/11] KVM: SVM: Modify 64 bit intercept field to two 32 bit vectors Babu Moger
2020-07-29 21:06   ` Jim Mattson
2020-07-29 21:31     ` Babu Moger
2020-07-28 23:38 ` [PATCH v3 06/11] KVM: SVM: Add new intercept vector in vmcb_control_area Babu Moger
2020-07-29 21:23   ` Jim Mattson
2020-07-29 22:19     ` Babu Moger
2020-07-28 23:38 ` [PATCH v3 07/11] KVM: nSVM: Cleanup nested_state data structure Babu Moger
2020-07-29  0:02   ` Jim Mattson
2020-07-28 23:38 ` [PATCH v3 08/11] KVM: SVM: Remove set_cr_intercept, clr_cr_intercept and is_cr_intercept Babu Moger
2020-07-29  0:01   ` Jim Mattson
2020-07-28 23:38 ` [PATCH v3 09/11] KVM: SVM: Remove set_exception_intercept and clr_exception_intercept Babu Moger
2020-07-29 22:17   ` Jim Mattson
2020-07-28 23:38 ` [PATCH v3 10/11] KVM: X86: Move handling of INVPCID types to x86 Babu Moger
2020-07-29 22:25   ` Jim Mattson
2020-07-28 23:38 ` [PATCH v3 11/11] KVM:SVM: Enable INVPCID feature on AMD Babu Moger
2020-07-29 23:01   ` Jim Mattson
2020-07-30 16:32     ` Babu Moger
2020-07-29  0:09 ` [PATCH v3 00/11] SVM cleanup and INVPCID support for the AMD guests Jim Mattson

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