From: Chao Gao <chao.gao@intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: <pbonzini@redhat.com>, <seanjc@google.com>,
<rick.p.edgecombe@intel.com>, <isaku.yamahata@intel.com>,
<kai.huang@intel.com>, <yan.y.zhao@intel.com>,
<tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>,
<dave.hansen@linux.intel.com>, <kvm@vger.kernel.org>,
<x86@kernel.org>, <linux-coco@lists.linux.dev>,
<linux-kernel@vger.kernel.org>
Subject: Re: [RFC, PATCH 03/12] x86/virt/tdx: Add wrappers for TDH.PHYMEM.PAMT.ADD/REMOVE
Date: Fri, 9 May 2025 18:18:01 +0800 [thread overview]
Message-ID: <aB3WWUSESKt9niJV@intel.com> (raw)
In-Reply-To: <20250502130828.4071412-4-kirill.shutemov@linux.intel.com>
> int tdx_guest_keyid_alloc(void);
> u32 tdx_get_nr_guest_keyids(void);
> void tdx_guest_keyid_free(unsigned int keyid);
>@@ -197,6 +202,9 @@ u64 tdh_mem_page_remove(struct tdx_td *td, u64 gpa, u64 level, u64 *ext_err1, u6
> u64 tdh_phymem_cache_wb(bool resume);
> u64 tdh_phymem_page_wbinvd_tdr(struct tdx_td *td);
> u64 tdh_phymem_page_wbinvd_hkid(u64 hkid, struct page *page);
>+u64 tdh_phymem_pamt_add(unsigned long hpa, struct list_head *pamt_pages);
>+u64 tdh_phymem_pamt_remove(unsigned long hpa, struct list_head *pamt_pages);
When these SEAMCALL wrappers were added, Dave requested that a struct page
be passed in instead of an HPA [*]. Does this apply to
tdh_phymem_pamt_add/remove()?
[*]: https://lore.kernel.org/kvm/30d0cef5-82d5-4325-b149-0e99833b8785@intel.com/
next prev parent reply other threads:[~2025-05-09 10:18 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-02 13:08 [RFC, PATCH 00/12] TDX: Enable Dynamic PAMT Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 01/12] x86/virt/tdx: Allocate page bitmap for " Kirill A. Shutemov
2025-05-05 10:08 ` Huang, Kai
2025-05-02 13:08 ` [RFC, PATCH 02/12] x86/virt/tdx: Allocate reference counters for PAMT memory Kirill A. Shutemov
2025-05-05 11:05 ` Huang, Kai
2025-05-08 13:03 ` kirill.shutemov
2025-05-09 1:06 ` Huang, Kai
2025-05-12 9:53 ` kirill.shutemov
2025-05-13 23:24 ` Huang, Kai
2025-05-09 9:52 ` Chao Gao
2025-05-12 9:51 ` Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 03/12] x86/virt/tdx: Add wrappers for TDH.PHYMEM.PAMT.ADD/REMOVE Kirill A. Shutemov
2025-05-09 10:18 ` Chao Gao [this message]
2025-05-12 9:55 ` Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 04/12] x86/virt/tdx: Account PAMT memory and print if in /proc/meminfo Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 05/12] KVM: TDX: Add tdx_pamt_get()/put() helpers Kirill A. Shutemov
2025-05-05 12:44 ` Huang, Kai
2025-05-07 1:01 ` Yan Zhao
2025-05-07 1:15 ` Vishal Annapurve
2025-05-07 2:42 ` Yan Zhao
2025-05-08 13:19 ` kirill.shutemov
2025-05-07 16:31 ` Dave Hansen
2025-05-08 2:08 ` Yan Zhao
2025-05-08 13:21 ` kirill.shutemov
2025-05-08 13:16 ` kirill.shutemov
2025-05-23 9:42 ` kirill.shutemov
2025-05-14 5:25 ` Chao Gao
2025-05-23 10:46 ` Kirill A. Shutemov
2025-05-14 5:33 ` Chao Gao
2025-05-14 6:25 ` Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 06/12] KVM: TDX: Allocate PAMT memory in __tdx_td_init() Kirill A. Shutemov
2025-05-05 12:46 ` Huang, Kai
2025-05-02 13:08 ` [RFC, PATCH 07/12] KVM: TDX: Allocate PAMT memory in tdx_td_vcpu_init() Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 08/12] KVM: x86/tdp_mmu: Add phys_prepare() and phys_cleanup() to kvm_x86_ops Kirill A. Shutemov
2025-05-06 11:55 ` Yan Zhao
2025-05-08 13:23 ` Kirill A. Shutemov
2025-05-09 1:25 ` Yan Zhao
2025-05-12 9:55 ` Kirill A. Shutemov
2025-05-14 0:00 ` Huang, Kai
2025-05-14 6:43 ` kirill.shutemov
2025-05-19 5:00 ` Huang, Kai
2025-05-23 12:00 ` kirill.shutemov
2025-06-05 13:01 ` kirill.shutemov
2025-06-05 22:21 ` Huang, Kai
2025-06-06 10:20 ` kirill.shutemov
2025-05-14 6:15 ` Chao Gao
2025-05-02 13:08 ` [RFC, PATCH 09/12] KVM: TDX: Preallocate PAMT pages to be used in page fault path Kirill A. Shutemov
2025-05-14 0:07 ` Huang, Kai
2025-05-14 6:30 ` Chao Gao
2025-05-30 10:28 ` Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 10/12] KVM: TDX: Hookup phys_prepare() and phys_cleanup() kvm_x86_ops Kirill A. Shutemov
2025-05-02 13:08 ` [RFC, PATCH 11/12] KVM: TDX: Reclaim PAMT memory Kirill A. Shutemov
2025-05-14 1:11 ` Huang, Kai
2025-05-14 15:21 ` Vishal Annapurve
2025-05-19 5:06 ` Huang, Kai
2025-05-02 13:08 ` [RFC, PATCH 12/12] x86/virt/tdx: Enable Dynamic PAMT Kirill A. Shutemov
2025-05-14 13:41 ` [RFC, PATCH 00/12] TDX: " Sean Christopherson
2025-05-15 14:22 ` Kirill A. Shutemov
2025-05-15 15:03 ` Dave Hansen
2025-05-15 16:02 ` Kirill A. Shutemov
2025-05-14 20:33 ` Zhi Wang
2025-05-15 9:17 ` Kirill A. Shutemov
2025-05-15 14:03 ` Dave Hansen
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