From: Joerg Roedel <joro@8bytes.org> To: x86@kernel.org Cc: hpa@zytor.com, Andy Lutomirski <luto@kernel.org>, Dave Hansen <dave.hansen@linux.intel.com>, Peter Zijlstra <peterz@infradead.org>, Thomas Hellstrom <thellstrom@vmware.com>, Jiri Slaby <jslaby@suse.cz>, Dan Williams <dan.j.williams@intel.com>, Tom Lendacky <thomas.lendacky@amd.com>, Juergen Gross <jgross@suse.com>, Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, Joerg Roedel <joro@8bytes.org>, Joerg Roedel <jroedel@suse.de> Subject: [PATCH 25/70] x86/sev-es: Add CPUID handling to #VC handler Date: Thu, 19 Mar 2020 10:13:22 +0100 [thread overview] Message-ID: <20200319091407.1481-26-joro@8bytes.org> (raw) In-Reply-To: <20200319091407.1481-1-joro@8bytes.org> From: Tom Lendacky <thomas.lendacky@amd.com> Handle #VC exceptions caused by CPUID instructions. These happen in early boot code when the KASLR code checks for RDTSC. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> [ jroedel@suse.de: Adapt to #VC handling framework ] Co-developed-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Joerg Roedel <jroedel@suse.de> --- arch/x86/boot/compressed/sev-es.c | 4 ++++ arch/x86/kernel/sev-es-shared.c | 35 +++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/arch/x86/boot/compressed/sev-es.c b/arch/x86/boot/compressed/sev-es.c index ae5fbd371fd9..40eaf24db641 100644 --- a/arch/x86/boot/compressed/sev-es.c +++ b/arch/x86/boot/compressed/sev-es.c @@ -10,6 +10,7 @@ #include <asm/sev-es.h> #include <asm/trap_defs.h> #include <asm/msr-index.h> +#include <asm/fpu/xcr.h> #include <asm/ptrace.h> #include <asm/svm.h> @@ -149,6 +150,9 @@ void boot_vc_handler(struct pt_regs *regs, unsigned long exit_code) case SVM_EXIT_IOIO: result = vc_handle_ioio(boot_ghcb, &ctxt); break; + case SVM_EXIT_CPUID: + result = vc_handle_cpuid(boot_ghcb, &ctxt); + break; default: result = ES_UNSUPPORTED; break; diff --git a/arch/x86/kernel/sev-es-shared.c b/arch/x86/kernel/sev-es-shared.c index 46fc5318d1d7..a632b8f041ec 100644 --- a/arch/x86/kernel/sev-es-shared.c +++ b/arch/x86/kernel/sev-es-shared.c @@ -407,3 +407,38 @@ static enum es_result vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt) return ret; } + +static enum es_result vc_handle_cpuid(struct ghcb *ghcb, + struct es_em_ctxt *ctxt) +{ + struct pt_regs *regs = ctxt->regs; + u32 cr4 = native_read_cr4(); + enum es_result ret; + + ghcb_set_rax(ghcb, regs->ax); + ghcb_set_rcx(ghcb, regs->cx); + + if (cr4 & X86_CR4_OSXSAVE) + /* Safe to read xcr0 */ + ghcb_set_xcr0(ghcb, xgetbv(XCR_XFEATURE_ENABLED_MASK)); + else + /* xgetbv will cause #GP - use reset value for xcr0 */ + ghcb_set_xcr0(ghcb, 1); + + ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_CPUID, 0, 0); + if (ret != ES_OK) + return ret; + + if (!(ghcb_is_valid_rax(ghcb) && + ghcb_is_valid_rbx(ghcb) && + ghcb_is_valid_rcx(ghcb) && + ghcb_is_valid_rdx(ghcb))) + return ES_VMM_ERROR; + + regs->ax = ghcb->save.rax; + regs->bx = ghcb->save.rbx; + regs->cx = ghcb->save.rcx; + regs->dx = ghcb->save.rdx; + + return ES_OK; +} -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org> To: x86@kernel.org Cc: Juergen Gross <jgross@suse.com>, Tom Lendacky <thomas.lendacky@amd.com>, Thomas Hellstrom <thellstrom@vmware.com>, Joerg Roedel <jroedel@suse.de>, Kees Cook <keescook@chromium.org>, kvm@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>, Joerg Roedel <joro@8bytes.org>, Dave Hansen <dave.hansen@linux.intel.com>, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Andy Lutomirski <luto@kernel.org>, hpa@zytor.com, Dan Williams <dan.j.williams@intel.com>, Jiri Slaby <jslaby@suse.cz> Subject: [PATCH 25/70] x86/sev-es: Add CPUID handling to #VC handler Date: Thu, 19 Mar 2020 10:13:22 +0100 [thread overview] Message-ID: <20200319091407.1481-26-joro@8bytes.org> (raw) In-Reply-To: <20200319091407.1481-1-joro@8bytes.org> From: Tom Lendacky <thomas.lendacky@amd.com> Handle #VC exceptions caused by CPUID instructions. These happen in early boot code when the KASLR code checks for RDTSC. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> [ jroedel@suse.de: Adapt to #VC handling framework ] Co-developed-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Joerg Roedel <jroedel@suse.de> --- arch/x86/boot/compressed/sev-es.c | 4 ++++ arch/x86/kernel/sev-es-shared.c | 35 +++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/arch/x86/boot/compressed/sev-es.c b/arch/x86/boot/compressed/sev-es.c index ae5fbd371fd9..40eaf24db641 100644 --- a/arch/x86/boot/compressed/sev-es.c +++ b/arch/x86/boot/compressed/sev-es.c @@ -10,6 +10,7 @@ #include <asm/sev-es.h> #include <asm/trap_defs.h> #include <asm/msr-index.h> +#include <asm/fpu/xcr.h> #include <asm/ptrace.h> #include <asm/svm.h> @@ -149,6 +150,9 @@ void boot_vc_handler(struct pt_regs *regs, unsigned long exit_code) case SVM_EXIT_IOIO: result = vc_handle_ioio(boot_ghcb, &ctxt); break; + case SVM_EXIT_CPUID: + result = vc_handle_cpuid(boot_ghcb, &ctxt); + break; default: result = ES_UNSUPPORTED; break; diff --git a/arch/x86/kernel/sev-es-shared.c b/arch/x86/kernel/sev-es-shared.c index 46fc5318d1d7..a632b8f041ec 100644 --- a/arch/x86/kernel/sev-es-shared.c +++ b/arch/x86/kernel/sev-es-shared.c @@ -407,3 +407,38 @@ static enum es_result vc_handle_ioio(struct ghcb *ghcb, struct es_em_ctxt *ctxt) return ret; } + +static enum es_result vc_handle_cpuid(struct ghcb *ghcb, + struct es_em_ctxt *ctxt) +{ + struct pt_regs *regs = ctxt->regs; + u32 cr4 = native_read_cr4(); + enum es_result ret; + + ghcb_set_rax(ghcb, regs->ax); + ghcb_set_rcx(ghcb, regs->cx); + + if (cr4 & X86_CR4_OSXSAVE) + /* Safe to read xcr0 */ + ghcb_set_xcr0(ghcb, xgetbv(XCR_XFEATURE_ENABLED_MASK)); + else + /* xgetbv will cause #GP - use reset value for xcr0 */ + ghcb_set_xcr0(ghcb, 1); + + ret = sev_es_ghcb_hv_call(ghcb, ctxt, SVM_EXIT_CPUID, 0, 0); + if (ret != ES_OK) + return ret; + + if (!(ghcb_is_valid_rax(ghcb) && + ghcb_is_valid_rbx(ghcb) && + ghcb_is_valid_rcx(ghcb) && + ghcb_is_valid_rdx(ghcb))) + return ES_VMM_ERROR; + + regs->ax = ghcb->save.rax; + regs->bx = ghcb->save.rbx; + regs->cx = ghcb->save.rcx; + regs->dx = ghcb->save.rdx; + + return ES_OK; +} -- 2.17.1
next prev parent reply other threads:[~2020-03-19 9:18 UTC|newest] Thread overview: 243+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-19 9:12 [RFC PATCH 00/70 v2] x86: SEV-ES Guest Support Joerg Roedel 2020-03-19 9:12 ` [PATCH 01/70] KVM: SVM: Add GHCB definitions Joerg Roedel 2020-03-19 9:12 ` Joerg Roedel 2020-03-23 13:23 ` [PATCH] KVM: SVM: Use __packed shorthard Borislav Petkov 2020-03-24 12:43 ` Joerg Roedel 2020-03-19 9:12 ` [PATCH 02/70] KVM: SVM: Add GHCB Accessor functions Joerg Roedel 2020-03-19 9:12 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 03/70] x86/cpufeatures: Add SEV-ES CPU feature Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 04/70] x86/traps: Move some definitions to <asm/trap_defs.h> Joerg Roedel 2020-03-19 9:13 ` [PATCH 05/70] x86/insn: Make inat-tables.c suitable for pre-decompression code Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-25 15:39 ` Borislav Petkov 2020-03-27 3:02 ` Masami Hiramatsu 2020-03-27 3:02 ` Masami Hiramatsu 2020-04-16 15:24 ` Joerg Roedel 2020-04-16 15:24 ` Joerg Roedel 2020-04-17 12:50 ` Masami Hiramatsu 2020-04-17 13:39 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 06/70] x86/umip: Factor out instruction fetch Joerg Roedel 2020-03-26 17:21 ` Borislav Petkov 2020-03-19 9:13 ` [PATCH 07/70] x86/umip: Factor out instruction decoding Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-26 17:24 ` Borislav Petkov 2020-03-19 9:13 ` [PATCH 08/70] x86/insn: Add insn_get_modrm_reg_off() Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-27 3:57 ` Masami Hiramatsu 2020-03-19 9:13 ` [PATCH 09/70] x86/insn: Add insn_rep_prefix() helper Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-27 3:56 ` Masami Hiramatsu 2020-03-19 9:13 ` [PATCH 10/70] x86/boot/compressed: Fix debug_puthex() parameter type Joerg Roedel 2020-03-28 11:23 ` [tip: x86/boot] " tip-bot2 for Joerg Roedel 2020-03-19 9:13 ` [PATCH 11/70] x86/boot/compressed/64: Disable red-zone usage Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-31 13:16 ` Borislav Petkov 2020-03-19 9:13 ` [PATCH 12/70] x86/boot/compressed/64: Add IDT Infrastructure Joerg Roedel 2020-04-07 2:21 ` Arvind Sankar 2020-04-16 13:30 ` Joerg Roedel 2020-04-16 13:30 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 13/70] x86/boot/compressed/64: Rename kaslr_64.c to ident_map_64.c Joerg Roedel 2020-03-19 9:13 ` [PATCH 14/70] x86/boot/compressed/64: Add page-fault handler Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-04-02 11:49 ` Borislav Petkov 2020-03-19 9:13 ` [PATCH 15/70] x86/boot/compressed/64: Always switch to own page-table Joerg Roedel 2020-04-06 11:56 ` Borislav Petkov 2020-03-19 9:13 ` [PATCH 16/70] x86/boot/compressed/64: Don't pre-map memory in KASLR code Joerg Roedel 2020-03-19 9:13 ` [PATCH 17/70] x86/boot/compressed/64: Change add_identity_map() to take start and end Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 18/70] x86/boot/compressed/64: Add stage1 #VC handler Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-20 21:16 ` David Rientjes 2020-03-20 22:19 ` Joerg Roedel 2020-04-06 12:41 ` Borislav Petkov 2020-03-19 9:13 ` [PATCH 19/70] x86/boot/compressed/64: Call set_sev_encryption_mask earlier Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 20/70] x86/boot/compressed/64: Check return value of kernel_ident_mapping_init() Joerg Roedel 2020-03-19 9:13 ` [PATCH 21/70] x86/boot/compressed/64: Add function to map a page unencrypted Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-20 20:53 ` David Rientjes 2020-03-20 21:02 ` Dave Hansen 2020-03-20 22:12 ` Joerg Roedel 2020-03-20 22:26 ` Dave Hansen 2020-03-21 15:40 ` Joerg Roedel 2020-03-21 15:40 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 22/70] x86/boot/compressed/64: Setup GHCB Based VC Exception handler Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 23/70] x86/sev-es: Add support for handling IOIO exceptions Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-20 21:03 ` David Rientjes 2020-03-20 22:24 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 24/70] x86/fpu: Move xgetbv()/xsetbv() into separate header Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel [this message] 2020-03-19 9:13 ` [PATCH 25/70] x86/sev-es: Add CPUID handling to #VC handler Joerg Roedel 2020-03-19 9:13 ` [PATCH 26/70] x86/idt: Move IDT to data segment Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 27/70] x86/idt: Split idt_data setup out of set_intr_gate() Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 28/70] x86/idt: Move two function from k/idt.c to i/a/desc.h Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 29/70] x86/head/64: Install boot GDT Joerg Roedel 2020-03-19 9:13 ` [PATCH 30/70] x86/head/64: Reload GDT after switch to virtual addresses Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 31/70] x86/head/64: Load segment registers earlier Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 32/70] x86/head/64: Switch to initial stack earlier Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 33/70] x86/head/64: Build k/head64.c with -fno-stack-protector Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 34/70] x86/head/64: Load IDT earlier Joerg Roedel 2020-03-19 9:13 ` [PATCH 35/70] x86/head/64: Move early exception dispatch to C code Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 36/70] x86/sev-es: Add SEV-ES Feature Detection Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 37/70] x86/sev-es: Compile early handler code into kernel image Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 38/70] x86/sev-es: Setup early #VC handler Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 39/70] x86/sev-es: Setup GHCB based boot " Joerg Roedel 2020-03-19 9:13 ` [PATCH 40/70] x86/sev-es: Setup per-cpu GHCBs for the runtime handler Joerg Roedel 2020-04-14 19:03 ` Mike Stunes 2020-04-14 19:03 ` Mike Stunes 2020-04-14 20:04 ` Tom Lendacky 2020-04-14 20:04 ` Tom Lendacky 2020-04-14 20:12 ` Dave Hansen 2020-04-14 20:12 ` Dave Hansen 2020-04-14 20:16 ` Tom Lendacky 2020-04-14 20:16 ` Tom Lendacky 2020-04-14 20:18 ` Tom Lendacky 2020-04-14 20:18 ` Tom Lendacky 2020-04-15 15:54 ` Joerg Roedel 2020-04-15 15:54 ` Joerg Roedel 2020-04-15 15:53 ` Joerg Roedel 2020-04-15 15:53 ` Joerg Roedel 2020-04-23 1:33 ` Bo Gan 2020-04-23 1:33 ` Bo Gan 2020-04-23 11:30 ` Joerg Roedel 2020-04-23 11:30 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 41/70] x86/sev-es: Add Runtime #VC Exception Handler Joerg Roedel 2020-03-19 9:13 ` Joerg Roedel 2020-03-19 15:44 ` Andy Lutomirski 2020-03-19 16:24 ` Joerg Roedel 2020-03-19 18:43 ` Andy Lutomirski 2020-03-19 19:38 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 42/70] x86/sev-es: Support nested #VC exceptions Joerg Roedel 2020-03-19 15:46 ` Andy Lutomirski 2020-03-19 15:46 ` Andy Lutomirski 2020-03-19 16:12 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 43/70] x86/sev-es: Wire up existing #VC exit-code handlers Joerg Roedel 2020-03-19 9:13 ` [PATCH 44/70] x86/sev-es: Handle instruction fetches from user-space Joerg Roedel 2020-03-19 9:13 ` [PATCH 45/70] x86/sev-es: Harden runtime #VC handler for exceptions " Joerg Roedel 2020-03-19 9:13 ` [PATCH 46/70] x86/sev-es: Filter exceptions not supported " Joerg Roedel 2020-03-19 9:13 ` [PATCH 47/70] x86/sev-es: Handle MMIO events Joerg Roedel 2020-03-19 9:13 ` [PATCH 48/70] x86/sev-es: Handle MMIO String Instructions Joerg Roedel 2020-03-19 9:13 ` [PATCH 49/70] x86/sev-es: Handle MSR events Joerg Roedel 2020-03-19 9:13 ` [PATCH 50/70] x86/sev-es: Handle DR7 read/write events Joerg Roedel 2020-03-19 9:13 ` [PATCH 51/70] x86/sev-es: Handle WBINVD Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 52/70] x86/sev-es: Handle RDTSC Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 53/70] x86/sev-es: Handle RDPMC Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 54/70] x86/sev-es: Handle INVD Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 55/70] x86/sev-es: Handle RDTSCP Events Joerg Roedel 2020-04-24 21:03 ` [PATCH] Allow RDTSC and RDTSCP from userspace Mike Stunes 2020-04-24 21:03 ` Mike Stunes 2020-04-24 21:24 ` Dave Hansen 2020-04-24 21:27 ` Tom Lendacky 2020-04-24 22:53 ` Dave Hansen 2020-04-25 12:49 ` Joerg Roedel 2020-04-25 18:15 ` Andy Lutomirski 2020-04-25 19:10 ` Joerg Roedel 2020-04-25 19:47 ` Andy Lutomirski 2020-04-25 20:23 ` Joerg Roedel 2020-04-25 22:10 ` Andy Lutomirski 2020-04-27 17:37 ` Should SEV-ES #VC use IST? (Re: [PATCH] Allow RDTSC and RDTSCP from userspace) Andy Lutomirski 2020-04-27 18:15 ` Andrew Cooper 2020-04-27 18:43 ` Tom Lendacky 2020-04-28 7:55 ` Joerg Roedel 2020-04-28 16:34 ` Andrew Cooper 2020-06-23 11:07 ` Peter Zijlstra 2020-06-23 11:07 ` Peter Zijlstra 2020-06-23 11:30 ` Joerg Roedel 2020-06-23 11:48 ` Peter Zijlstra 2020-06-23 11:48 ` Peter Zijlstra 2020-06-23 12:04 ` Joerg Roedel 2020-06-23 12:52 ` Peter Zijlstra 2020-06-23 12:52 ` Peter Zijlstra 2020-06-23 13:40 ` Joerg Roedel 2020-06-23 13:40 ` Joerg Roedel 2020-06-23 13:59 ` Peter Zijlstra 2020-06-23 13:59 ` Peter Zijlstra 2020-06-23 14:53 ` Peter Zijlstra 2020-06-23 14:53 ` Peter Zijlstra 2020-06-23 14:59 ` Joerg Roedel 2020-06-23 15:23 ` Peter Zijlstra 2020-06-23 15:23 ` Peter Zijlstra 2020-06-23 15:38 ` Peter Zijlstra 2020-06-23 15:38 ` Peter Zijlstra 2020-06-23 15:38 ` Joerg Roedel 2020-06-23 16:02 ` Peter Zijlstra 2020-06-23 16:02 ` Peter Zijlstra 2020-06-23 15:39 ` Andrew Cooper 2020-06-23 15:52 ` Peter Zijlstra 2020-06-23 15:52 ` Peter Zijlstra 2020-06-23 16:03 ` Dave Hansen 2020-06-23 16:13 ` Peter Zijlstra 2020-06-23 16:13 ` Peter Zijlstra 2020-06-23 16:13 ` Borislav Petkov 2020-06-23 11:51 ` Andrew Cooper 2020-06-23 12:47 ` Peter Zijlstra 2020-06-23 12:47 ` Peter Zijlstra 2020-06-23 13:57 ` Andrew Cooper 2020-06-23 13:57 ` Andrew Cooper 2020-06-23 15:51 ` Borislav Petkov 2020-06-23 9:45 ` Joerg Roedel 2020-06-23 10:45 ` Peter Zijlstra 2020-06-23 11:11 ` Joerg Roedel 2020-06-23 11:14 ` Peter Zijlstra 2020-06-23 11:14 ` Peter Zijlstra 2020-06-23 11:43 ` Joerg Roedel 2020-06-23 11:50 ` Peter Zijlstra 2020-06-23 11:50 ` Peter Zijlstra 2020-06-23 12:12 ` Joerg Roedel 2020-06-23 13:03 ` Peter Zijlstra 2020-06-23 13:03 ` Peter Zijlstra 2020-06-23 14:49 ` Joerg Roedel 2020-06-23 15:16 ` Peter Zijlstra 2020-06-23 15:16 ` Peter Zijlstra 2020-06-23 15:32 ` Andrew Cooper 2020-06-23 16:10 ` Borislav Petkov 2020-06-23 15:22 ` Andrew Cooper 2020-06-23 18:26 ` Andy Lutomirski 2020-06-23 18:56 ` Andrew Cooper 2020-04-27 18:47 ` [PATCH] Allow RDTSC and RDTSCP from userspace Dave Hansen 2020-04-25 12:28 ` Joerg Roedel 2020-03-19 9:13 ` [PATCH 56/70] x86/sev-es: Handle MONITOR/MONITORX Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 57/70] x86/sev-es: Handle MWAIT/MWAITX Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 58/70] x86/sev-es: Handle VMMCALL Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 59/70] x86/sev-es: Handle #AC Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 60/70] x86/sev-es: Handle #DB Events Joerg Roedel 2020-03-19 9:13 ` [PATCH 61/70] x86/paravirt: Allow hypervisor specific VMMCALL handling under SEV-ES Joerg Roedel 2020-03-19 9:13 ` [PATCH 62/70] x86/kvm: Add KVM " Joerg Roedel 2020-03-20 21:23 ` David Rientjes 2020-03-20 22:21 ` Joerg Roedel 2020-03-19 9:14 ` [PATCH 63/70] x86/vmware: Add VMware specific handling for VMMCALL " Joerg Roedel 2020-03-19 10:18 ` Thomas Hellstrom 2020-03-19 10:18 ` Thomas Hellstrom 2020-03-19 9:14 ` [PATCH 64/70] x86/realmode: Add SEV-ES specific trampoline entry point Joerg Roedel 2020-03-19 9:14 ` [PATCH 65/70] x86/realmode: Setup AP jump table Joerg Roedel 2020-03-19 9:14 ` [PATCH 66/70] x86/head/64: Don't call verify_cpu() on starting APs Joerg Roedel 2020-03-19 9:14 ` [PATCH 67/70] x86/head/64: Rename start_cpu0 Joerg Roedel 2020-03-19 9:14 ` [PATCH 68/70] x86/sev-es: Support CPU offline/online Joerg Roedel 2020-03-19 9:14 ` [PATCH 69/70] x86/cpufeature: Add SEV_ES_GUEST CPU Feature Joerg Roedel 2020-03-19 9:14 ` [PATCH 70/70] x86/sev-es: Add NMI state tracking Joerg Roedel 2020-03-19 15:35 ` Andy Lutomirski 2020-03-19 16:07 ` Joerg Roedel 2020-03-19 18:40 ` Andy Lutomirski 2020-03-19 19:26 ` Joerg Roedel 2020-03-19 21:27 ` Andy Lutomirski 2020-03-20 19:48 ` Joerg Roedel 2020-03-20 13:17 ` [RFC PATCH v2.1] x86/sev-es: Handle NMI State Joerg Roedel 2020-03-20 14:42 ` Dave Hansen 2020-03-20 19:42 ` Joerg Roedel 2020-03-19 16:53 ` [PATCH 70/70] x86/sev-es: Add NMI state tracking Mika Penttilä 2020-03-19 19:41 ` Joerg Roedel
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