From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> To: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Dave Hansen <dave.hansen@intel.com>, Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>, Sean Christopherson <seanjc@google.com>, Andrew Morton <akpm@linux-foundation.org>, Joerg Roedel <jroedel@suse.de>, Ard Biesheuvel <ardb@kernel.org>, Andi Kleen <ak@linux.intel.com>, Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>, David Rientjes <rientjes@google.com>, Vlastimil Babka <vbabka@suse.cz>, Tom Lendacky <thomas.lendacky@amd.com>, Thomas Gleixner <tglx@linutronix.de>, Peter Zijlstra <peterz@infradead.org>, Paolo Bonzini <pbonzini@redhat.com>, Ingo Molnar <mingo@redhat.com>, Varad Gautam <varad.gautam@suse.com>, Dario Faggioli <dfaggioli@suse.com>, Mike Rapoport <rppt@kernel.org>, David Hildenbrand <david@redhat.com>, marcelo.cerri@canonical.com, tim.gardner@canonical.com, khalid.elmously@canonical.com, philip.cox@canonical.com, x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org Subject: Re: [PATCHv7 11/14] x86: Disable kexec if system has unaccepted memory Date: Wed, 29 Jun 2022 02:51:05 +0300 [thread overview] Message-ID: <20220628235105.z6ytdzxofrdkjti4@black.fi.intel.com> (raw) In-Reply-To: <20220624020005.txpxlsbjbebf6oq4@black.fi.intel.com> On Fri, Jun 24, 2022 at 05:00:05AM +0300, Kirill A. Shutemov wrote: > > If there is some deep and fundamental why this can not be supported > > then it probably makes sense to put some code in the arch_kexec_load > > hook that verifies that deep and fundamental reason is present. > > Sounds straight-forward. I can do this. What about the patch below? From 0b758600e1eef5525f2a46630ab3559f118a272a Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Date: Tue, 10 May 2022 19:02:18 +0300 Subject: [PATCH] x86: Disable kexec if system has unaccepted memory On kexec, the target kernel has to know what memory has been accepted. Information in EFI map is out of date and cannot be used. boot_params.unaccepted_memory can be used to pass the bitmap between two kernels on kexec, but the use-case is not yet implemented. Disable kexec on machines with unaccepted memory for now. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- arch/x86/mm/unaccepted_memory.c | 16 ++++++++++++++++ include/linux/kexec.h | 2 ++ kernel/kexec.c | 4 ++++ kernel/kexec_core.c | 5 +++++ kernel/kexec_file.c | 4 ++++ 5 files changed, 31 insertions(+) diff --git a/arch/x86/mm/unaccepted_memory.c b/arch/x86/mm/unaccepted_memory.c index 566c3a72aee8..529c3fd1dab3 100644 --- a/arch/x86/mm/unaccepted_memory.c +++ b/arch/x86/mm/unaccepted_memory.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only +#include <linux/kexec.h> #include <linux/memblock.h> #include <linux/mm.h> #include <linux/pfn.h> @@ -98,3 +99,18 @@ bool range_contains_unaccepted_memory(phys_addr_t start, phys_addr_t end) return ret; } + +#ifdef CONFIG_KEXEC_CORE +int arch_kexec_load(void) +{ + if (!boot_params.unaccepted_memory) + return 0; + + /* + * TODO: Information on memory acceptance status has to be communicated + * between kernel. + */ + pr_warn_once("Disable kexec: not yet supported on systems with unaccepted memory\n"); + return -EOPNOTSUPP; +} +#endif diff --git a/include/linux/kexec.h b/include/linux/kexec.h index ce6536f1d269..dfd9493d0b4b 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -396,6 +396,8 @@ void crash_free_reserved_phys_range(unsigned long begin, unsigned long end); void arch_kexec_protect_crashkres(void); void arch_kexec_unprotect_crashkres(void); +int arch_kexec_load(void); + #ifndef page_to_boot_pfn static inline unsigned long page_to_boot_pfn(struct page *page) { diff --git a/kernel/kexec.c b/kernel/kexec.c index b5e40f069768..352b3742f07a 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -195,6 +195,10 @@ static inline int kexec_load_check(unsigned long nr_segments, { int result; + result = arch_kexec_load(); + if (result) + return result; + /* We only trust the superuser with rebooting the system. */ if (!capable(CAP_SYS_BOOT) || kexec_load_disabled) return -EPERM; diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index 4d34c78334ce..4d51b9271f6b 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -1238,3 +1238,8 @@ void __weak arch_kexec_protect_crashkres(void) void __weak arch_kexec_unprotect_crashkres(void) {} + +int __weak arch_kexec_load(void) +{ + return 0; +} diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 145321a5e798..d531df94ffbb 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -324,6 +324,10 @@ SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd, int ret = 0, i; struct kimage **dest_image, *image; + ret = arch_kexec_load(); + if (ret) + return ret; + /* We only trust the superuser with rebooting the system. */ if (!capable(CAP_SYS_BOOT) || kexec_load_disabled) return -EPERM; -- Kirill A. Shutemov
WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> To: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Dave Hansen <dave.hansen@intel.com>, Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>, Sean Christopherson <seanjc@google.com>, Andrew Morton <akpm@linux-foundation.org>, Joerg Roedel <jroedel@suse.de>, Ard Biesheuvel <ardb@kernel.org>, Andi Kleen <ak@linux.intel.com>, Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>, David Rientjes <rientjes@google.com>, Vlastimil Babka <vbabka@suse.cz>, Tom Lendacky <thomas.lendacky@amd.com>, Thomas Gleixner <tglx@linutronix.de>, Peter Zijlstra <peterz@infradead.org>, Paolo Bonzini <pbonzini@redhat.com>, Ingo Molnar <mingo@redhat.com>, Varad Gautam <varad.gautam@suse.com>, Dario Faggioli <dfaggioli@suse.com>, Mike Rapoport <rppt@kernel.org>, David Hildenbrand <david@redhat.com>, marcelo.cerri@canonical.com, tim.gardner@canonical.com, khalid.elmously@canonical.com, philip.cox@canonical.com, x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org Subject: Re: [PATCHv7 11/14] x86: Disable kexec if system has unaccepted memory Date: Wed, 29 Jun 2022 02:51:05 +0300 [thread overview] Message-ID: <20220628235105.z6ytdzxofrdkjti4@black.fi.intel.com> (raw) In-Reply-To: <20220624020005.txpxlsbjbebf6oq4@black.fi.intel.com> On Fri, Jun 24, 2022 at 05:00:05AM +0300, Kirill A. Shutemov wrote: > > If there is some deep and fundamental why this can not be supported > > then it probably makes sense to put some code in the arch_kexec_load > > hook that verifies that deep and fundamental reason is present. > > Sounds straight-forward. I can do this. What about the patch below? From 0b758600e1eef5525f2a46630ab3559f118a272a Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Date: Tue, 10 May 2022 19:02:18 +0300 Subject: [PATCH] x86: Disable kexec if system has unaccepted memory On kexec, the target kernel has to know what memory has been accepted. Information in EFI map is out of date and cannot be used. boot_params.unaccepted_memory can be used to pass the bitmap between two kernels on kexec, but the use-case is not yet implemented. Disable kexec on machines with unaccepted memory for now. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- arch/x86/mm/unaccepted_memory.c | 16 ++++++++++++++++ include/linux/kexec.h | 2 ++ kernel/kexec.c | 4 ++++ kernel/kexec_core.c | 5 +++++ kernel/kexec_file.c | 4 ++++ 5 files changed, 31 insertions(+) diff --git a/arch/x86/mm/unaccepted_memory.c b/arch/x86/mm/unaccepted_memory.c index 566c3a72aee8..529c3fd1dab3 100644 --- a/arch/x86/mm/unaccepted_memory.c +++ b/arch/x86/mm/unaccepted_memory.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only +#include <linux/kexec.h> #include <linux/memblock.h> #include <linux/mm.h> #include <linux/pfn.h> @@ -98,3 +99,18 @@ bool range_contains_unaccepted_memory(phys_addr_t start, phys_addr_t end) return ret; } + +#ifdef CONFIG_KEXEC_CORE +int arch_kexec_load(void) +{ + if (!boot_params.unaccepted_memory) + return 0; + + /* + * TODO: Information on memory acceptance status has to be communicated + * between kernel. + */ + pr_warn_once("Disable kexec: not yet supported on systems with unaccepted memory\n"); + return -EOPNOTSUPP; +} +#endif diff --git a/include/linux/kexec.h b/include/linux/kexec.h index ce6536f1d269..dfd9493d0b4b 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -396,6 +396,8 @@ void crash_free_reserved_phys_range(unsigned long begin, unsigned long end); void arch_kexec_protect_crashkres(void); void arch_kexec_unprotect_crashkres(void); +int arch_kexec_load(void); + #ifndef page_to_boot_pfn static inline unsigned long page_to_boot_pfn(struct page *page) { diff --git a/kernel/kexec.c b/kernel/kexec.c index b5e40f069768..352b3742f07a 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -195,6 +195,10 @@ static inline int kexec_load_check(unsigned long nr_segments, { int result; + result = arch_kexec_load(); + if (result) + return result; + /* We only trust the superuser with rebooting the system. */ if (!capable(CAP_SYS_BOOT) || kexec_load_disabled) return -EPERM; diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index 4d34c78334ce..4d51b9271f6b 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -1238,3 +1238,8 @@ void __weak arch_kexec_protect_crashkres(void) void __weak arch_kexec_unprotect_crashkres(void) {} + +int __weak arch_kexec_load(void) +{ + return 0; +} diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 145321a5e798..d531df94ffbb 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -324,6 +324,10 @@ SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd, int ret = 0, i; struct kimage **dest_image, *image; + ret = arch_kexec_load(); + if (ret) + return ret; + /* We only trust the superuser with rebooting the system. */ if (!capable(CAP_SYS_BOOT) || kexec_load_disabled) return -EPERM; -- Kirill A. Shutemov _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec
next prev parent reply other threads:[~2022-06-28 23:51 UTC|newest] Thread overview: 207+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-14 12:02 [PATCHv7 00/14] mm, x86/cc: Implement support for unaccepted memory Kirill A. Shutemov 2022-06-14 12:02 ` [PATCHv7 01/14] x86/boot: Centralize __pa()/__va() definitions Kirill A. Shutemov 2022-06-23 17:37 ` Dave Hansen 2022-06-14 12:02 ` [PATCHv7 02/14] mm: Add support for unaccepted memory Kirill A. Shutemov 2022-06-14 12:57 ` Gupta, Pankaj 2022-06-17 19:28 ` Tom Lendacky 2022-06-17 20:53 ` Tom Lendacky 2022-07-21 15:14 ` Borislav Petkov 2022-07-21 15:49 ` Dave Hansen 2022-07-22 19:18 ` Borislav Petkov 2022-07-22 19:30 ` Dave Hansen 2022-07-25 12:23 ` Borislav Petkov 2022-07-25 12:38 ` David Hildenbrand 2022-07-25 12:53 ` Borislav Petkov 2022-07-26 14:30 ` David Hildenbrand 2022-07-25 13:00 ` Mike Rapoport 2022-07-25 13:05 ` Borislav Petkov 2022-08-05 11:49 ` Vlastimil Babka 2022-08-05 12:09 ` David Hildenbrand 2022-08-05 13:38 ` Vlastimil Babka 2022-08-05 14:22 ` David Hildenbrand 2022-08-05 14:53 ` Dave Hansen 2022-08-05 14:41 ` Dave Hansen 2022-08-05 18:17 ` Vlastimil Babka 2022-08-08 15:55 ` Dave Hansen 2022-08-10 14:19 ` Mel Gorman 2022-08-15 21:08 ` Dionna Amalie Glaze 2022-08-15 22:02 ` Tom Lendacky 2022-08-29 16:02 ` Dionna Amalie Glaze 2022-08-29 16:19 ` Dave Hansen 2022-09-06 17:50 ` Dionna Amalie Glaze 2022-09-08 12:11 ` Mike Rapoport 2022-09-08 16:23 ` Dionna Amalie Glaze 2022-09-08 19:28 ` Mike Rapoport 2022-09-22 14:31 ` Tom Lendacky 2022-09-24 1:03 ` Kirill A. Shutemov 2022-09-24 9:36 ` Mike Rapoport 2022-09-26 12:10 ` Kirill A. Shutemov 2022-09-26 13:38 ` Tom Lendacky 2022-09-26 15:42 ` Kirill A. Shutemov 2022-09-26 15:42 ` Tom Lendacky 2022-06-14 12:02 ` [PATCHv7 03/14] mm: Report unaccepted memory in meminfo Kirill A. Shutemov 2022-07-26 14:33 ` David Hildenbrand 2022-06-14 12:02 ` [PATCHv7 04/14] efi/x86: Get full memory map in allocate_e820() Kirill A. Shutemov 2022-07-25 13:02 ` Borislav Petkov 2022-06-14 12:02 ` [PATCHv7 05/14] x86/boot: Add infrastructure required for unaccepted memory support Kirill A. Shutemov 2022-06-15 10:19 ` Peter Zijlstra 2022-06-15 15:05 ` Kirill A. Shutemov 2022-07-17 17:16 ` Borislav Petkov 2022-07-25 21:33 ` Borislav Petkov 2022-06-14 12:02 ` [PATCHv7 06/14] efi/x86: Implement support for unaccepted memory Kirill A. Shutemov 2022-06-22 19:58 ` Dave Hansen 2022-07-26 8:35 ` Borislav Petkov 2022-06-14 12:02 ` [PATCHv7 07/14] x86/boot/compressed: Handle " Kirill A. Shutemov 2022-06-14 12:02 ` [PATCHv7 08/14] x86/mm: Reserve unaccepted memory bitmap Kirill A. Shutemov 2022-07-26 9:07 ` Borislav Petkov 2022-11-30 1:28 ` Kirill A. Shutemov 2022-12-01 9:37 ` Mike Rapoport 2022-12-01 13:47 ` Kirill A. Shutemov 2022-06-14 12:02 ` [PATCHv7 09/14] x86/mm: Provide helpers for unaccepted memory Kirill A. Shutemov 2022-06-14 12:02 ` [PATCHv7 10/14] x86/mm: Avoid load_unaligned_zeropad() stepping into " Kirill A. Shutemov 2022-06-23 17:19 ` Dave Hansen 2022-07-26 10:21 ` Borislav Petkov 2022-08-02 23:46 ` Dave Hansen 2022-08-03 14:02 ` Dave Hansen 2022-08-11 11:26 ` Borislav Petkov 2022-08-13 16:11 ` Andy Lutomirski 2022-08-13 21:13 ` Kirill A. Shutemov 2022-08-13 16:04 ` Andy Lutomirski 2022-08-13 20:58 ` Kirill A. Shutemov 2022-07-26 17:25 ` Borislav Petkov 2022-07-26 17:46 ` Dave Hansen 2022-07-26 20:17 ` Andy Lutomirski 2022-08-09 11:38 ` Kirill A. Shutemov 2022-08-13 16:03 ` Andy Lutomirski 2022-08-13 21:02 ` Kirill A. Shutemov 2022-06-14 12:02 ` [PATCHv7 11/14] x86: Disable kexec if system has " Kirill A. Shutemov 2022-06-23 17:23 ` Dave Hansen 2022-06-23 17:23 ` Dave Hansen 2022-06-23 21:48 ` Eric W. Biederman 2022-06-23 21:48 ` Eric W. Biederman 2022-06-24 2:00 ` Kirill A. Shutemov 2022-06-24 2:00 ` Kirill A. Shutemov 2022-06-28 23:51 ` Kirill A. Shutemov [this message] 2022-06-28 23:51 ` Kirill A. Shutemov 2022-06-29 0:10 ` Dave Hansen 2022-06-29 0:10 ` Dave Hansen 2022-06-29 0:59 ` Kirill A. Shutemov 2022-06-29 0:59 ` Kirill A. Shutemov 2022-07-04 7:18 ` Dave Young 2022-07-04 7:18 ` Dave Young 2022-06-14 12:02 ` [PATCHv7 12/14] x86/tdx: Make _tdx_hypercall() and __tdx_module_call() available in boot stub Kirill A. Shutemov 2022-06-23 17:25 ` Dave Hansen 2022-06-14 12:02 ` [PATCHv7 13/14] x86/tdx: Refactor try_accept_one() Kirill A. Shutemov 2022-06-23 17:31 ` Dave Hansen 2022-07-26 10:58 ` Borislav Petkov 2022-06-14 12:02 ` [PATCHv7 14/14] x86/tdx: Add unaccepted memory support Kirill A. Shutemov 2022-06-24 16:22 ` Dave Hansen 2022-06-27 10:42 ` Kirill A. Shutemov 2022-07-26 14:51 ` Borislav Petkov 2022-08-09 11:45 ` Kirill A. Shutemov 2022-08-10 10:27 ` Borislav Petkov 2022-06-24 16:37 ` [PATCHv7 00/14] mm, x86/cc: Implement support for unaccepted memory Peter Gonda 2022-06-24 16:57 ` Dave Hansen 2022-06-24 17:06 ` Marc Orr 2022-06-24 17:09 ` Dave Hansen 2022-06-24 17:15 ` Peter Gonda 2022-06-24 17:19 ` Marc Orr 2022-06-24 17:21 ` Peter Gonda 2022-06-24 17:47 ` Dave Hansen 2022-06-24 18:10 ` Peter Gonda 2022-06-24 18:13 ` Dave Hansen 2022-06-24 17:40 ` Michael Roth 2022-06-24 17:58 ` Michael Roth 2022-06-24 18:05 ` Peter Gonda 2022-06-27 11:30 ` Kirill A. Shutemov 2022-06-27 11:54 ` Ard Biesheuvel 2022-06-27 12:22 ` Kirill A. Shutemov 2022-06-27 16:17 ` Peter Gonda 2022-06-27 16:33 ` Ard Biesheuvel 2022-06-27 22:38 ` Kirill A. Shutemov 2022-06-28 17:17 ` Ard Biesheuvel 2022-07-18 17:21 ` Kirill A. Shutemov 2022-07-18 23:32 ` Dionna Amalie Glaze 2022-07-19 0:31 ` Dionna Amalie Glaze 2022-07-19 18:29 ` Dionna Amalie Glaze 2022-07-19 19:13 ` Borislav Petkov 2022-07-19 20:45 ` Ard Biesheuvel 2022-07-19 21:23 ` Borislav Petkov 2022-07-19 21:35 ` Dave Hansen 2022-07-19 21:50 ` Borislav Petkov 2022-07-19 22:01 ` Kirill A. Shutemov 2022-07-19 22:02 ` Dave Hansen 2022-07-19 22:08 ` Tom Lendacky 2022-07-20 0:26 ` Marc Orr 2022-07-20 5:44 ` Borislav Petkov 2022-07-20 17:03 ` Marc Orr 2022-07-22 15:07 ` Borislav Petkov 2022-07-21 17:12 ` Dave Hansen 2022-07-23 11:14 ` Ard Biesheuvel 2022-07-28 22:01 ` Dionna Amalie Glaze 2022-08-09 11:14 ` Kirill A. Shutemov 2022-08-09 11:36 ` Ard Biesheuvel 2022-08-09 11:54 ` Kirill A. Shutemov 2022-08-09 21:09 ` Dionna Amalie Glaze 2022-07-19 2:48 ` Yao, Jiewen 2022-07-29 14:01 ` [PATCH v1 0/2] Provide SEV-SNP " Tom Lendacky 2022-07-29 14:01 ` [PATCH v1 1/2] x86/sev: Use per-CPU PSC structure in prep for unaccepted memory support Tom Lendacky 2022-07-29 14:18 ` Dave Hansen 2022-07-29 14:25 ` Tom Lendacky 2022-07-29 19:08 ` Dave Hansen 2022-07-29 19:22 ` Tom Lendacky 2022-07-29 19:28 ` Dave Hansen 2022-07-29 20:12 ` Tom Lendacky 2022-08-03 18:11 ` [PATCH v1.1 0/2] Provide SEV-SNP support for unaccepted memory Tom Lendacky 2022-08-03 18:11 ` [PATCH v1.1 1/2] x86/sev: Use per-CPU PSC structure in prep for unaccepted memory support Tom Lendacky 2022-08-03 18:17 ` Dave Hansen 2022-08-03 18:21 ` Tom Lendacky 2022-08-03 18:24 ` Dave Hansen 2022-08-03 21:03 ` Tom Lendacky 2022-08-03 21:18 ` Dave Hansen 2022-08-03 21:34 ` Tom Lendacky 2022-08-03 21:48 ` Dave Hansen 2022-08-03 22:17 ` Tom Lendacky 2022-08-03 18:18 ` Tom Lendacky 2022-08-03 18:11 ` [PATCH v1.1 2/2] x86/sev: Add SNP-specific " Tom Lendacky 2022-07-29 14:01 ` [PATCH v1 " Tom Lendacky 2022-08-23 0:24 ` Dionna Amalie Glaze 2022-08-23 14:28 ` Tom Lendacky 2022-08-23 23:28 ` Dionna Amalie Glaze 2022-08-08 17:16 ` [PATCH v2 0/2] Provide SEV-SNP support for unaccepted memory Tom Lendacky 2022-08-08 17:16 ` [PATCH v2 1/2] x86/sev: Put PSC struct on the stack in prep for unaccepted memory support Tom Lendacky 2022-08-08 21:43 ` Dave Hansen 2022-08-08 22:18 ` Tom Lendacky 2022-08-08 22:33 ` Dave Hansen 2022-08-08 22:35 ` Tom Lendacky 2022-08-12 13:03 ` Borislav Petkov 2022-08-12 14:11 ` Tom Lendacky 2022-08-12 14:33 ` Borislav Petkov 2022-08-12 14:51 ` Tom Lendacky 2022-08-13 19:40 ` Borislav Petkov 2022-08-14 13:36 ` Tom Lendacky 2022-08-08 17:16 ` [PATCH v2 2/2] x86/sev: Add SNP-specific " Tom Lendacky 2022-08-15 15:57 ` [PATCH v3 0/2] Provide SEV-SNP support for unaccepted memory Tom Lendacky 2022-08-15 15:57 ` [PATCH v3 1/2] x86/sev: Put PSC struct on the stack in prep for unaccepted memory support Tom Lendacky 2022-08-17 16:08 ` Borislav Petkov 2022-08-17 21:17 ` Tom Lendacky 2022-08-15 15:57 ` [PATCH v3 2/2] x86/sev: Add SNP-specific " Tom Lendacky 2022-08-18 13:39 ` Borislav Petkov 2022-08-25 14:23 ` [PATCH v4 0/4] Provide SEV-SNP support for unaccepted memory Tom Lendacky 2022-08-25 14:23 ` [PATCH v4 1/4] x86/sev: Put PSC struct on the stack in prep for unaccepted memory support Tom Lendacky 2022-09-20 16:15 ` Borislav Petkov 2022-08-25 14:23 ` [PATCH v4 2/4] x86/sev: Allow for use of the early boot GHCB for PSC requests Tom Lendacky 2022-08-25 14:23 ` [PATCH v4 3/4] x86/sev: Use large PSC requests if applicable Tom Lendacky 2022-08-25 14:23 ` [PATCH v4 4/4] x86/sev: Add SNP-specific unaccepted memory support Tom Lendacky 2022-08-25 22:10 ` Dionna Amalie Glaze 2022-08-26 21:29 ` Tom Lendacky 2022-09-27 17:04 ` [PATCH v5 0/6] Provide SEV-SNP support for unaccepted memory Tom Lendacky 2022-09-27 17:04 ` [PATCH v5 1/6] x86/sev: Fix calculation of end address based on number of pages Tom Lendacky 2022-09-27 17:10 ` Dave Hansen 2022-09-27 20:45 ` Tom Lendacky 2022-09-27 19:04 ` Dionna Amalie Glaze 2022-09-27 17:04 ` [PATCH v5 2/6] " Tom Lendacky 2022-09-27 17:04 ` [PATCH v5 3/6] x86/sev: Put PSC struct on the stack in prep for unaccepted memory support Tom Lendacky 2022-09-27 17:04 ` [PATCH v5 4/6] x86/sev: Allow for use of the early boot GHCB for PSC requests Tom Lendacky 2022-09-27 17:04 ` [PATCH v5 5/6] x86/sev: Use large PSC requests if applicable Tom Lendacky 2022-09-27 17:04 ` [PATCH v5 6/6] x86/sev: Add SNP-specific unaccepted memory support Tom Lendacky
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