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From: Christoph Hellwig <hch@lst.de>
To: Tianyu Lan <ltykernel@gmail.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
	sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com,
	tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
	jgross@suse.com, sstabellini@kernel.org,
	boris.ostrovsky@oracle.com, joro@8bytes.org, will@kernel.org,
	davem@davemloft.net, kuba@kernel.org, jejb@linux.ibm.com,
	martin.petersen@oracle.com, arnd@arndb.de, hch@infradead.org,
	m.szyprowski@samsung.com, robin.murphy@arm.com,
	thomas.lendacky@amd.com, Tianyu.Lan@microsoft.com,
	xen-devel@lists.xenproject.org, michael.h.kelley@microsoft.com,
	iommu@lists.linux-foundation.org, linux-arch@vger.kernel.org,
	linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-scsi@vger.kernel.org, netdev@vger.kernel.org,
	vkuznets@redhat.com, brijesh.singh@amd.com,
	konrad.wilk@oracle.com, hch@lst.de, parri.andrea@gmail.com,
	dave.hansen@intel.com
Subject: Re: [PATCH V4 2/5] x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has()
Date: Mon, 6 Dec 2021 15:06:51 +0100	[thread overview]
Message-ID: <20211206140651.GA5100@lst.de> (raw)
In-Reply-To: <20211205081815.129276-3-ltykernel@gmail.com>

On Sun, Dec 05, 2021 at 03:18:10AM -0500, Tianyu Lan wrote:
> +static bool hyperv_cc_platform_has(enum cc_attr attr)
> +{
> +#ifdef CONFIG_HYPERV
> +	return attr == CC_ATTR_GUEST_MEM_ENCRYPT;
> +#else
> +	return false;
> +#endif
> +}

Can we even end up here without CONFIG_HYPERV?

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Tianyu Lan <ltykernel@gmail.com>
Cc: linux-hyperv@vger.kernel.org, brijesh.singh@amd.com,
	dave.hansen@linux.intel.com, dave.hansen@intel.com,
	hpa@zytor.com, kys@microsoft.com, will@kernel.org,
	boris.ostrovsky@oracle.com, linux-arch@vger.kernel.org,
	michael.h.kelley@microsoft.com, wei.liu@kernel.org,
	sstabellini@kernel.org, sthemmin@microsoft.com,
	linux-scsi@vger.kernel.org, x86@kernel.org, decui@microsoft.com,
	hch@lst.de, hch@infradead.org, mingo@redhat.com, kuba@kernel.org,
	haiyangz@microsoft.com, parri.andrea@gmail.com,
	thomas.lendacky@amd.com, Tianyu.Lan@microsoft.com, arnd@arndb.de,
	konrad.wilk@oracle.com, jejb@linux.ibm.com, bp@alien8.de,
	xen-devel@lists.xenproject.org, tglx@linutronix.de,
	jgross@suse.com, martin.petersen@oracle.com,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org, vkuznets@redhat.com,
	robin.murphy@arm.com, davem@davemloft.net
Subject: Re: [PATCH V4 2/5] x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has()
Date: Mon, 6 Dec 2021 15:06:51 +0100	[thread overview]
Message-ID: <20211206140651.GA5100@lst.de> (raw)
In-Reply-To: <20211205081815.129276-3-ltykernel@gmail.com>

On Sun, Dec 05, 2021 at 03:18:10AM -0500, Tianyu Lan wrote:
> +static bool hyperv_cc_platform_has(enum cc_attr attr)
> +{
> +#ifdef CONFIG_HYPERV
> +	return attr == CC_ATTR_GUEST_MEM_ENCRYPT;
> +#else
> +	return false;
> +#endif
> +}

Can we even end up here without CONFIG_HYPERV?
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  reply	other threads:[~2021-12-06 14:07 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-05  8:18 [PATCH V4 0/5] x86/Hyper-V: Add Hyper-V Isolation VM support(Second part) Tianyu Lan
2021-12-05  8:18 ` Tianyu Lan
2021-12-05  8:18 ` [PATCH V4 1/5] Swiotlb: Add Swiotlb bounce buffer remap function for HV IVM Tianyu Lan
2021-12-05  8:18   ` Tianyu Lan
2021-12-06 14:09   ` Christoph Hellwig
2021-12-06 14:09     ` Christoph Hellwig
2021-12-06 14:16     ` Tianyu Lan
2021-12-06 14:16       ` Tianyu Lan
2021-12-05  8:18 ` [PATCH V4 2/5] x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has() Tianyu Lan
2021-12-05  8:18   ` Tianyu Lan
2021-12-06 14:06   ` Christoph Hellwig [this message]
2021-12-06 14:06     ` Christoph Hellwig
2021-12-06 14:13     ` Tianyu Lan
2021-12-06 14:13       ` Tianyu Lan
2021-12-05  8:18 ` [PATCH V4 3/5] hyperv/IOMMU: Enable swiotlb bounce buffer for Isolation VM Tianyu Lan
2021-12-05  8:18   ` Tianyu Lan
2021-12-05  8:34   ` Juergen Gross
2021-12-05  8:34     ` Juergen Gross via iommu
2021-12-05  8:48     ` Tianyu Lan
2021-12-05  8:48       ` Tianyu Lan
2021-12-05 10:31       ` Juergen Gross
2021-12-05 10:31         ` Juergen Gross via iommu
2021-12-06 14:19         ` Tianyu Lan
2021-12-06 14:19           ` Tianyu Lan
2021-12-05  8:18 ` [PATCH V4 4/5] scsi: storvsc: Add Isolation VM support for storvsc driver Tianyu Lan
2021-12-05  8:18   ` Tianyu Lan
2021-12-05  8:18 ` [PATCH V4 5/5] hv_netvsc: Add Isolation VM support for netvsc driver Tianyu Lan
2021-12-05  8:18   ` Tianyu Lan

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