diff options
Diffstat (limited to '0064-x86-wire-up-VCPUOP_register_vcpu_time_memory_area-fo.patch')
| -rw-r--r-- | 0064-x86-wire-up-VCPUOP_register_vcpu_time_memory_area-fo.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/0064-x86-wire-up-VCPUOP_register_vcpu_time_memory_area-fo.patch b/0064-x86-wire-up-VCPUOP_register_vcpu_time_memory_area-fo.patch deleted file mode 100644 index 738df82..0000000 --- a/0064-x86-wire-up-VCPUOP_register_vcpu_time_memory_area-fo.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 62e534d17cdd838828bfd75d3d845e31524dd336 Mon Sep 17 00:00:00 2001 -From: Jan Beulich <jbeulich@suse.com> -Date: Tue, 11 Oct 2022 15:17:12 +0200 -Subject: [PATCH 064/126] x86: wire up VCPUOP_register_vcpu_time_memory_area - for 32-bit guests -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Forever sinced its introduction VCPUOP_register_vcpu_time_memory_area -was available only to native domains. Linux, for example, would attempt -to use it irrespective of guest bitness (including in its so called -PVHVM mode) as long as it finds XEN_PVCLOCK_TSC_STABLE_BIT set (which we -set only for clocksource=tsc, which in turn needs engaging via command -line option). - -Fixes: a5d39947cb89 ("Allow guests to register secondary vcpu_time_info") -Signed-off-by: Jan Beulich <jbeulich@suse.com> -Acked-by: Roger Pau Monné <roger.pau@citrix.com> -master commit: b726541d94bd0a80b5864d17a2cd2e6d73a3fe0a -master date: 2022-09-29 14:47:45 +0200 ---- - xen/arch/x86/x86_64/domain.c | 20 ++++++++++++++++++++ - 1 file changed, 20 insertions(+) - -diff --git a/xen/arch/x86/x86_64/domain.c b/xen/arch/x86/x86_64/domain.c -index c46dccc25a54..d51d99344796 100644 ---- a/xen/arch/x86/x86_64/domain.c -+++ b/xen/arch/x86/x86_64/domain.c -@@ -54,6 +54,26 @@ arch_compat_vcpu_op( - break; - } - -+ case VCPUOP_register_vcpu_time_memory_area: -+ { -+ struct compat_vcpu_register_time_memory_area area = { .addr.p = 0 }; -+ -+ rc = -EFAULT; -+ if ( copy_from_guest(&area.addr.h, arg, 1) ) -+ break; -+ -+ if ( area.addr.h.c != area.addr.p || -+ !compat_handle_okay(area.addr.h, 1) ) -+ break; -+ -+ rc = 0; -+ guest_from_compat_handle(v->arch.time_info_guest, area.addr.h); -+ -+ force_update_vcpu_system_time(v); -+ -+ break; -+ } -+ - case VCPUOP_get_physid: - rc = arch_do_vcpu_op(cmd, v, arg); - break; --- -2.37.4 - |