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From: Wei Liu <wei.liu@kernel.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Sean Christopherson <seanjc@google.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
	Josh Poimboeuf <jpoimboe@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-hyperv@vger.kernel.org
Subject: Re: [PATCH 05/20] x86/tdx: Convert MSR read handling to use new TDVMCALL_1()
Date: Tue, 28 May 2024 05:33:31 +0000	[thread overview]
Message-ID: <ZlVsqz06Ueuetkz1@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20240517141938.4177174-6-kirill.shutemov@linux.intel.com>

On Fri, May 17, 2024 at 05:19:23PM +0300, Kirill A. Shutemov wrote:
> Use newly introduced TDVMCALL_1() instead of __tdx_hypercall() to handle
> MSR read emulation.
> 
> It cuts code bloat substantially:
> 
> Function                                     old     new   delta
> tdx_handle_virt_exception                   2052    1947    -105
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> ---
>  arch/x86/coco/tdx/tdx.c | 15 +++++++--------
>  arch/x86/hyperv/ivm.c   | 10 ++--------

Acked-by: Wei Liu <wei.liu@kernel.org>

  reply	other threads:[~2024-05-28  5:33 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-17 14:19 [PATCH 00/20] x86/tdx: Rewrite TDCALL wrappers Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 01/20] x86/tdx: Introduce tdvmcall_trampoline() Kirill A. Shutemov
2024-05-17 15:21   ` Dave Hansen
2024-05-20 10:32     ` Kirill A. Shutemov
2024-05-20 15:49       ` Dave Hansen
2024-05-17 17:02   ` Paolo Bonzini
2024-05-20 10:35     ` Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 02/20] x86/tdx: Add macros to generate TDVMCALL wrappers Kirill A. Shutemov
2024-05-17 16:54   ` Paolo Bonzini
2024-05-20 10:35     ` Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 03/20] x86/tdx: Convert port I/O handling to use new TDVMCALL macros Kirill A. Shutemov
2024-05-17 15:28   ` Dave Hansen
2024-05-17 17:37     ` Paolo Bonzini
2024-05-17 14:19 ` [PATCH 04/20] x86/tdx: Convert HLT handling to use new TDVMCALL_0() Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 05/20] x86/tdx: Convert MSR read handling to use new TDVMCALL_1() Kirill A. Shutemov
2024-05-28  5:33   ` Wei Liu [this message]
2024-05-17 14:19 ` [PATCH 06/20] x86/tdx: Convert MSR write handling to use new TDVMCALL_0() Kirill A. Shutemov
2024-05-28  5:33   ` Wei Liu
2024-05-17 14:19 ` [PATCH 07/20] x86/tdx: Convert CPUID handling to use new TDVMCALL_4() Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 08/20] x86/tdx: Convert MMIO handling to use new TDVMCALL macros Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 09/20] x86/tdx: Convert MAP_GPA hypercall " Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 10/20] x86/tdx: Convert GET_QUOTE " Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 11/20] x86/tdx: Rewrite tdx_panic() without __tdx_hypercall() Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 12/20] x86/tdx: Rewrite tdx_kvm_hypercall() " Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 13/20] x86/tdx: Rewrite hv_tdx_hypercall() " Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 14/20] x86/tdx: Add macros to generate TDCALL wrappers Kirill A. Shutemov
2024-05-17 17:04   ` Paolo Bonzini
2024-05-17 14:19 ` [PATCH 15/20] x86/tdx: Convert PAGE_ACCEPT tdcall to use new TDCALL_0() macro Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 16/20] x86/tdx: Convert VP_INFO tdcall to use new TDCALL_5() macro Kirill A. Shutemov
2024-05-17 15:57   ` Dave Hansen
2024-05-20 11:02     ` Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 17/20] x86/tdx: Convert VM_RD/VM_WR tdcalls to use new TDCALL macros Kirill A. Shutemov
2024-05-17 16:07   ` Dave Hansen
2024-05-17 14:19 ` [PATCH 18/20] x86/tdx: Convert VP_VEINFO_GET tdcall to use new TDCALL_5() macro Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 19/20] x86/tdx: Convert MR_REPORT tdcall to use new TDCALL_0() macro Kirill A. Shutemov
2024-05-17 14:19 ` [PATCH 20/20] x86/tdx: Remove old TDCALL wrappers Kirill A. Shutemov
2024-05-17 15:18 ` [PATCH 00/20] x86/tdx: Rewrite " Dave Hansen
2024-05-20 11:56   ` Huang, Kai

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