From: Ankur Arora <ankur.a.arora@oracle.com> To: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Cc: jgross@suse.com, sstabellini@kernel.org, konrad.wilk@oracle.com, ankur.a.arora@oracle.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, joao.m.martins@oracle.com Subject: [RFC PATCH 02/16] x86/xen: cpuid support in xenhost_t Date: Thu, 9 May 2019 10:25:26 -0700 [thread overview] Message-ID: <20190509172540.12398-3-ankur.a.arora@oracle.com> (raw) In-Reply-To: <20190509172540.12398-1-ankur.a.arora@oracle.com> xen_cpuid_base() is used to probe and setup features early in a guest's lifetime. We want this to behave differently depending on xenhost->type: for instance, local xenhosts cannot intercept the cpuid instruction at all. Add op (*cpuid_base)() in xenhost_ops_t. Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com> --- arch/x86/include/asm/xen/hypervisor.h | 2 +- arch/x86/pci/xen.c | 2 +- arch/x86/xen/enlighten_hvm.c | 7 +++++-- arch/x86/xen/enlighten_pv.c | 16 +++++++++++++++- arch/x86/xen/enlighten_pvh.c | 4 ++++ drivers/tty/hvc/hvc_xen.c | 2 +- drivers/xen/grant-table.c | 3 ++- drivers/xen/xenbus/xenbus_xs.c | 3 ++- include/xen/xenhost.h | 21 +++++++++++++++++++++ 9 files changed, 52 insertions(+), 8 deletions(-) diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index 39171b3646bb..6c4cdcdf997d 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -53,7 +53,7 @@ static inline bool xen_x2apic_para_available(void) #else static inline bool xen_x2apic_para_available(void) { - return (xen_cpuid_base() != 0); + return (xen_cpuid_base(NULL) != 0); } #endif diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 9112d1cb397b..d1a3b9f08289 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -431,7 +431,7 @@ void __init xen_msi_init(void) * event channels for MSI handling and instead use regular * APIC processing */ - uint32_t eax = cpuid_eax(xen_cpuid_base() + 4); + uint32_t eax = cpuid_eax(xenhost_cpuid_base(xh_default) + 4); if (((eax & XEN_HVM_CPUID_X2APIC_VIRT) && x2apic_mode) || ((eax & XEN_HVM_CPUID_APIC_ACCESS_VIRT) && boot_cpu_has(X86_FEATURE_APIC))) diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index 100452f4f44c..ffc5791675b2 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -83,7 +83,10 @@ static void __init xen_hvm_init_mem_mapping(void) xen_vcpu_info_reset(0); } +extern uint32_t xen_pv_cpuid_base(xenhost_t *xh); + xenhost_ops_t xh_hvm_ops = { + .cpuid_base = xen_pv_cpuid_base, }; xenhost_ops_t xh_hvm_nested_ops = { @@ -94,7 +97,7 @@ static void __init init_hvm_pv_info(void) int major, minor; uint32_t eax, ebx, ecx, edx, base; - base = xen_cpuid_base(); + base = xenhost_cpuid_base(xh_default); eax = cpuid_eax(base + 1); major = eax >> 16; @@ -250,7 +253,7 @@ static uint32_t __init xen_platform_hvm(void) if (xen_pv_domain() || xen_nopv) return 0; - return xen_cpuid_base(); + return xenhost_cpuid_base(xh_default); } static __init void xen_hvm_guest_late_init(void) diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index bb6e811c1525..a4e04b0cc596 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -1189,10 +1189,23 @@ static void __init xen_dom0_set_legacy_features(void) x86_platform.legacy.rtc = 1; } +uint32_t xen_pv_cpuid_base(xenhost_t *xh) +{ + return hypervisor_cpuid_base("XenVMMXenVMM", 2); +} + +uint32_t xen_pv_nested_cpuid_base(xenhost_t *xh) +{ + return hypervisor_cpuid_base("XenVMMXenVMM", + 2 /* nested specific leaf? */); +} + xenhost_ops_t xh_pv_ops = { + .cpuid_base = xen_pv_cpuid_base, }; xenhost_ops_t xh_pv_nested_ops = { + .cpuid_base = xen_pv_nested_cpuid_base, }; /* First C function to be called on Xen boot */ @@ -1469,7 +1482,8 @@ static int xen_cpu_dead_pv(unsigned int cpu) static uint32_t __init xen_platform_pv(void) { if (xen_pv_domain()) - return xen_cpuid_base(); + /* xenhost is setup in xen_start_kernel. */ + return xenhost_cpuid_base(xh_default); return 0; } diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 826c296d27a3..c07eba169572 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -29,6 +29,10 @@ void __init xen_pvh_init(void) u32 msr; u64 pfn; + /* + * Note: we have already called xen_cpuid_base() in + * hypervisor_specific_init() + */ xenhost_register(xenhost_r1, &xh_hvm_ops); /* diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index dc43fa96c3de..5e5ca35d7187 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -595,7 +595,7 @@ console_initcall(xen_cons_init); #ifdef CONFIG_X86 static void xen_hvm_early_write(uint32_t vtermno, const char *str, int len) { - if (xen_cpuid_base()) + if (xen_cpuid_base(xh_default)) outsb(0xe9, str, len); } #else diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 7ea6fb6a2e5d..98af259d0d4f 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -50,6 +50,7 @@ #endif #include <xen/xen.h> +#include <xen/xenhost.h> #include <xen/interface/xen.h> #include <xen/page.h> #include <xen/grant_table.h> @@ -1318,7 +1319,7 @@ static bool gnttab_need_v2(void) uint32_t base, width; if (xen_pv_domain()) { - base = xen_cpuid_base(); + base = xenhost_cpuid_base(xh_default); if (cpuid_eax(base) < 5) return false; /* Information not available, use V1. */ width = cpuid_ebx(base + 5) & diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index 49a3874ae6bb..3236d1b1fa01 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -49,6 +49,7 @@ #include <asm/xen/hypervisor.h> #include <xen/xenbus.h> #include <xen/xen.h> +#include <xen/xenhost.h> #include "xenbus.h" /* @@ -722,7 +723,7 @@ static bool xen_strict_xenbus_quirk(void) #ifdef CONFIG_X86 uint32_t eax, ebx, ecx, edx, base; - base = xen_cpuid_base(); + base = xenhost_cpuid_base(xh_default); cpuid(base + 1, &eax, &ebx, &ecx, &edx); if ((eax >> 16) < 4) diff --git a/include/xen/xenhost.h b/include/xen/xenhost.h index a58e883f144e..13a70bdadfd2 100644 --- a/include/xen/xenhost.h +++ b/include/xen/xenhost.h @@ -1,6 +1,9 @@ #ifndef __XENHOST_H #define __XENHOST_H +#include <xen/interface/features.h> +#include <xen/interface/xen.h> +#include <asm/xen/hypervisor.h> /* * Xenhost abstracts out the Xen interface. It co-exists with the PV/HVM/PVH * abstractions (x86_init, hypervisor_x86, pv_ops etc) and is meant to @@ -70,6 +73,16 @@ typedef struct { } xenhost_t; typedef struct xenhost_ops { + /* + * xen_cpuid is used to probe features early. + * xenhost_r0: + * Implementation could not use cpuid at all: it's difficult to + * intercept cpuid instruction locally. + * xenhost_r1: + * xenhost_r2: + * Separate cpuid-leafs? + */ + uint32_t (*cpuid_base)(xenhost_t *xenhost); } xenhost_ops_t; extern xenhost_t *xh_default, *xh_remote; @@ -92,4 +105,12 @@ void __xenhost_unregister(enum xenhost_type type); for ((xh) = (xenhost_t **) &xenhosts[0]; \ (((xh) - (xenhost_t **)&xenhosts) < 2) && (*xh)->type != xenhost_invalid; (xh)++) +static inline uint32_t xenhost_cpuid_base(xenhost_t *xh) +{ + if (xh) + return (xh->ops->cpuid_base)(xh); + else + return xen_cpuid_base(); +} + #endif /* __XENHOST_H */ -- 2.20.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
WARNING: multiple messages have this Message-ID (diff)
From: Ankur Arora <ankur.a.arora@oracle.com> To: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Cc: jgross@suse.com, sstabellini@kernel.org, konrad.wilk@oracle.com, ankur.a.arora@oracle.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, joao.m.martins@oracle.com Subject: [Xen-devel] [RFC PATCH 02/16] x86/xen: cpuid support in xenhost_t Date: Thu, 9 May 2019 10:25:26 -0700 [thread overview] Message-ID: <20190509172540.12398-3-ankur.a.arora@oracle.com> (raw) Message-ID: <20190509172526.2F1VgYWfJWjIq6YNOOj-S4GeyTlR9-m4tl6KR5QkpbE@z> (raw) In-Reply-To: <20190509172540.12398-1-ankur.a.arora@oracle.com> xen_cpuid_base() is used to probe and setup features early in a guest's lifetime. We want this to behave differently depending on xenhost->type: for instance, local xenhosts cannot intercept the cpuid instruction at all. Add op (*cpuid_base)() in xenhost_ops_t. Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com> --- arch/x86/include/asm/xen/hypervisor.h | 2 +- arch/x86/pci/xen.c | 2 +- arch/x86/xen/enlighten_hvm.c | 7 +++++-- arch/x86/xen/enlighten_pv.c | 16 +++++++++++++++- arch/x86/xen/enlighten_pvh.c | 4 ++++ drivers/tty/hvc/hvc_xen.c | 2 +- drivers/xen/grant-table.c | 3 ++- drivers/xen/xenbus/xenbus_xs.c | 3 ++- include/xen/xenhost.h | 21 +++++++++++++++++++++ 9 files changed, 52 insertions(+), 8 deletions(-) diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index 39171b3646bb..6c4cdcdf997d 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -53,7 +53,7 @@ static inline bool xen_x2apic_para_available(void) #else static inline bool xen_x2apic_para_available(void) { - return (xen_cpuid_base() != 0); + return (xen_cpuid_base(NULL) != 0); } #endif diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 9112d1cb397b..d1a3b9f08289 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -431,7 +431,7 @@ void __init xen_msi_init(void) * event channels for MSI handling and instead use regular * APIC processing */ - uint32_t eax = cpuid_eax(xen_cpuid_base() + 4); + uint32_t eax = cpuid_eax(xenhost_cpuid_base(xh_default) + 4); if (((eax & XEN_HVM_CPUID_X2APIC_VIRT) && x2apic_mode) || ((eax & XEN_HVM_CPUID_APIC_ACCESS_VIRT) && boot_cpu_has(X86_FEATURE_APIC))) diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index 100452f4f44c..ffc5791675b2 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -83,7 +83,10 @@ static void __init xen_hvm_init_mem_mapping(void) xen_vcpu_info_reset(0); } +extern uint32_t xen_pv_cpuid_base(xenhost_t *xh); + xenhost_ops_t xh_hvm_ops = { + .cpuid_base = xen_pv_cpuid_base, }; xenhost_ops_t xh_hvm_nested_ops = { @@ -94,7 +97,7 @@ static void __init init_hvm_pv_info(void) int major, minor; uint32_t eax, ebx, ecx, edx, base; - base = xen_cpuid_base(); + base = xenhost_cpuid_base(xh_default); eax = cpuid_eax(base + 1); major = eax >> 16; @@ -250,7 +253,7 @@ static uint32_t __init xen_platform_hvm(void) if (xen_pv_domain() || xen_nopv) return 0; - return xen_cpuid_base(); + return xenhost_cpuid_base(xh_default); } static __init void xen_hvm_guest_late_init(void) diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index bb6e811c1525..a4e04b0cc596 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -1189,10 +1189,23 @@ static void __init xen_dom0_set_legacy_features(void) x86_platform.legacy.rtc = 1; } +uint32_t xen_pv_cpuid_base(xenhost_t *xh) +{ + return hypervisor_cpuid_base("XenVMMXenVMM", 2); +} + +uint32_t xen_pv_nested_cpuid_base(xenhost_t *xh) +{ + return hypervisor_cpuid_base("XenVMMXenVMM", + 2 /* nested specific leaf? */); +} + xenhost_ops_t xh_pv_ops = { + .cpuid_base = xen_pv_cpuid_base, }; xenhost_ops_t xh_pv_nested_ops = { + .cpuid_base = xen_pv_nested_cpuid_base, }; /* First C function to be called on Xen boot */ @@ -1469,7 +1482,8 @@ static int xen_cpu_dead_pv(unsigned int cpu) static uint32_t __init xen_platform_pv(void) { if (xen_pv_domain()) - return xen_cpuid_base(); + /* xenhost is setup in xen_start_kernel. */ + return xenhost_cpuid_base(xh_default); return 0; } diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 826c296d27a3..c07eba169572 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -29,6 +29,10 @@ void __init xen_pvh_init(void) u32 msr; u64 pfn; + /* + * Note: we have already called xen_cpuid_base() in + * hypervisor_specific_init() + */ xenhost_register(xenhost_r1, &xh_hvm_ops); /* diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index dc43fa96c3de..5e5ca35d7187 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -595,7 +595,7 @@ console_initcall(xen_cons_init); #ifdef CONFIG_X86 static void xen_hvm_early_write(uint32_t vtermno, const char *str, int len) { - if (xen_cpuid_base()) + if (xen_cpuid_base(xh_default)) outsb(0xe9, str, len); } #else diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 7ea6fb6a2e5d..98af259d0d4f 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -50,6 +50,7 @@ #endif #include <xen/xen.h> +#include <xen/xenhost.h> #include <xen/interface/xen.h> #include <xen/page.h> #include <xen/grant_table.h> @@ -1318,7 +1319,7 @@ static bool gnttab_need_v2(void) uint32_t base, width; if (xen_pv_domain()) { - base = xen_cpuid_base(); + base = xenhost_cpuid_base(xh_default); if (cpuid_eax(base) < 5) return false; /* Information not available, use V1. */ width = cpuid_ebx(base + 5) & diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index 49a3874ae6bb..3236d1b1fa01 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -49,6 +49,7 @@ #include <asm/xen/hypervisor.h> #include <xen/xenbus.h> #include <xen/xen.h> +#include <xen/xenhost.h> #include "xenbus.h" /* @@ -722,7 +723,7 @@ static bool xen_strict_xenbus_quirk(void) #ifdef CONFIG_X86 uint32_t eax, ebx, ecx, edx, base; - base = xen_cpuid_base(); + base = xenhost_cpuid_base(xh_default); cpuid(base + 1, &eax, &ebx, &ecx, &edx); if ((eax >> 16) < 4) diff --git a/include/xen/xenhost.h b/include/xen/xenhost.h index a58e883f144e..13a70bdadfd2 100644 --- a/include/xen/xenhost.h +++ b/include/xen/xenhost.h @@ -1,6 +1,9 @@ #ifndef __XENHOST_H #define __XENHOST_H +#include <xen/interface/features.h> +#include <xen/interface/xen.h> +#include <asm/xen/hypervisor.h> /* * Xenhost abstracts out the Xen interface. It co-exists with the PV/HVM/PVH * abstractions (x86_init, hypervisor_x86, pv_ops etc) and is meant to @@ -70,6 +73,16 @@ typedef struct { } xenhost_t; typedef struct xenhost_ops { + /* + * xen_cpuid is used to probe features early. + * xenhost_r0: + * Implementation could not use cpuid at all: it's difficult to + * intercept cpuid instruction locally. + * xenhost_r1: + * xenhost_r2: + * Separate cpuid-leafs? + */ + uint32_t (*cpuid_base)(xenhost_t *xenhost); } xenhost_ops_t; extern xenhost_t *xh_default, *xh_remote; @@ -92,4 +105,12 @@ void __xenhost_unregister(enum xenhost_type type); for ((xh) = (xenhost_t **) &xenhosts[0]; \ (((xh) - (xenhost_t **)&xenhosts) < 2) && (*xh)->type != xenhost_invalid; (xh)++) +static inline uint32_t xenhost_cpuid_base(xenhost_t *xh) +{ + if (xh) + return (xh->ops->cpuid_base)(xh); + else + return xen_cpuid_base(); +} + #endif /* __XENHOST_H */ -- 2.20.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2019-05-09 17:25 UTC|newest] Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-09 17:25 [Xen-devel] [RFC PATCH 00/16] xenhost support Ankur Arora 2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 01/16] x86/xen: add xenhost_t interface Ankur Arora 2019-06-07 15:04 ` Juergen Gross 2019-06-11 7:16 ` Ankur Arora 2019-06-14 11:52 ` Juergen Gross 2019-05-09 17:25 ` Ankur Arora 2019-05-09 17:25 ` Ankur Arora [this message] 2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 02/16] x86/xen: cpuid support in xenhost_t Ankur Arora 2019-06-12 21:09 ` Andrew Cooper 2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 03/16] x86/xen: make hypercall_page generic Ankur Arora 2019-05-09 17:25 ` Ankur Arora 2019-05-09 17:25 ` [RFC PATCH 04/16] x86/xen: hypercall support for xenhost_t Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-12 21:15 ` Andrew Cooper 2019-06-14 7:20 ` Ankur Arora 2019-06-14 7:35 ` Juergen Gross 2019-06-14 8:00 ` Andrew Cooper 2019-05-09 17:25 ` [RFC PATCH 05/16] x86/xen: add feature support in xenhost_t Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 06/16] x86/xen: add shared_info support to xenhost_t Ankur Arora 2019-06-07 15:08 ` Juergen Gross 2019-06-08 5:01 ` Ankur Arora 2019-05-09 17:25 ` Ankur Arora 2019-05-09 17:25 ` [RFC PATCH 07/16] x86/xen: make vcpu_info part of xenhost_t Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-14 11:53 ` Juergen Gross 2019-06-17 6:28 ` Ankur Arora 2019-05-09 17:25 ` [RFC PATCH 08/16] x86/xen: irq/upcall handling with multiple xenhosts Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-14 12:01 ` Juergen Gross 2019-05-09 17:25 ` [RFC PATCH 09/16] xen/evtchn: support evtchn in xenhost_t Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-14 12:04 ` Juergen Gross 2019-06-17 6:09 ` Ankur Arora 2019-05-09 17:25 ` [RFC PATCH 10/16] xen/balloon: support ballooning " Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-17 9:28 ` Juergen Gross 2019-06-19 2:24 ` Ankur Arora 2019-05-09 17:25 ` [RFC PATCH 11/16] xen/grant-table: make grant-table xenhost aware Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-17 9:36 ` Juergen Gross 2019-06-19 2:25 ` Ankur Arora 2019-05-09 17:25 ` [RFC PATCH 12/16] xen/xenbus: support xenbus frontend/backend with xenhost_t Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-17 9:50 ` Juergen Gross 2019-06-19 2:38 ` Ankur Arora 2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 13/16] drivers/xen: gnttab, evtchn, xenbus API changes Ankur Arora 2019-06-17 10:07 ` Juergen Gross 2019-06-19 2:55 ` Ankur Arora 2019-05-09 17:25 ` Ankur Arora 2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 14/16] xen/blk: " Ankur Arora 2019-06-17 10:14 ` Juergen Gross 2019-06-19 2:59 ` Ankur Arora 2019-05-09 17:25 ` Ankur Arora 2019-05-09 17:25 ` [RFC PATCH 15/16] xen/net: " Ankur Arora 2019-05-09 17:25 ` [Xen-devel] " Ankur Arora 2019-06-17 10:14 ` Juergen Gross 2019-05-09 17:25 ` [Xen-devel] [RFC PATCH 16/16] xen/grant-table: host_addr fixup in mapping on xenhost_r0 Ankur Arora 2019-06-17 10:55 ` Juergen Gross 2019-06-19 3:02 ` Ankur Arora 2019-05-09 17:25 ` Ankur Arora 2019-06-07 14:51 ` [Xen-devel] [RFC PATCH 00/16] xenhost support Juergen Gross 2019-06-07 15:22 ` Joao Martins 2019-06-07 16:21 ` Juergen Gross 2019-06-08 5:50 ` Ankur Arora 2019-06-08 5:33 ` Ankur Arora
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