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From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Dexuan Cui <decui@microsoft.com>
Cc: ak@linux.intel.com, arnd@arndb.de, bp@alien8.de,
	brijesh.singh@amd.com, dan.j.williams@intel.com,
	dave.hansen@linux.intel.com, haiyangz@microsoft.com,
	hpa@zytor.com, jane.chu@oracle.com,
	kirill.shutemov@linux.intel.com, kys@microsoft.com,
	linux-arch@vger.kernel.org, linux-hyperv@vger.kernel.org,
	luto@kernel.org, mingo@redhat.com, peterz@infradead.org,
	rostedt@goodmis.org, sathyanarayanan.kuppuswamy@linux.intel.com,
	seanjc@google.com, tglx@linutronix.de, tony.luck@intel.com,
	wei.liu@kernel.org, x86@kernel.org, mikelley@microsoft.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/6] x86/tdx: Expand __tdx_hypercall() to handle more arguments
Date: Fri, 9 Dec 2022 01:07:05 +0300	[thread overview]
Message-ID: <20221208220705.gog2lmlooio4act3@box.shutemov.name> (raw)
In-Reply-To: <20221207003325.21503-5-decui@microsoft.com>

On Tue, Dec 06, 2022 at 04:33:23PM -0800, Dexuan Cui wrote:
> From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
> 
> So far __tdx_hypercall() only handles six arguments for VMCALL.
> Expanding it to six more register would allow to cover more use-cases.
> 
> Using RDI and RSI as VMCALL arguments requires more register shuffling.
> RAX is used to hold tdx_hypercall_args pointer and RBP stores flags.
> 
> While there, fix typo in the comment on panic branch.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Reviewed-by: Dexuan Cui <decui@microsoft.com>
> Tested-by: Dexuan Cui <decui@microsoft.com>

Since you submit the patch you need to add your Signed-off-by.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov

  parent reply	other threads:[~2022-12-08 22:08 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-07  0:33 [PATCH v2 0/6] Support TDX guests on Hyper-V Dexuan Cui
2022-12-07  0:33 ` [PATCH v2 1/6] x86/tdx: Retry TDVMCALL_MAP_GPA() when needed Dexuan Cui
2022-12-08 19:48   ` Kirill A. Shutemov
2022-12-08 19:54     ` Dexuan Cui
2022-12-07  0:33 ` [PATCH v2 2/6] x86/tdx: Support vmalloc() for tdx_enc_status_changed() Dexuan Cui
2023-01-05  9:44   ` Zhi Wang
2023-01-05 17:33     ` Dexuan Cui
2023-01-05 18:10       ` Zhi Wang
2023-01-05 20:29         ` Dexuan Cui
2023-01-06 10:10           ` Zhi Wang
2023-01-06 15:39             ` Dexuan Cui
2022-12-07  0:33 ` [PATCH v2 3/6] x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests Dexuan Cui
2022-12-12  0:59   ` Sathyanarayanan Kuppuswamy
2022-12-07  0:33 ` [PATCH v2 4/6] x86/tdx: Expand __tdx_hypercall() to handle more arguments Dexuan Cui
2022-12-07 22:14   ` Sathyanarayanan Kuppuswamy
2022-12-08 15:54     ` Dexuan Cui
2022-12-08 22:06       ` Kirill A. Shutemov
2022-12-08 22:07   ` Kirill A. Shutemov [this message]
2022-12-08 23:09     ` Dexuan Cui
2022-12-07  0:33 ` [PATCH v2 5/6] x86/hyperv: Support hypercalls for TDX guests Dexuan Cui
2022-12-12 16:38   ` Michael Kelley (LINUX)
2022-12-12 19:10     ` Dexuan Cui
2023-01-06 11:23   ` Zhi Wang
2023-01-09  7:27     ` Dexuan Cui
2022-12-07  0:33 ` [PATCH v2 6/6] Drivers: hv: vmbus: Support " Dexuan Cui
2022-12-12 17:02   ` Michael Kelley (LINUX)
2022-12-12 19:18     ` Dexuan Cui
2022-12-12  0:04 ` [PATCH v2 0/6] Support TDX guests on Hyper-V Dexuan Cui

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