From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: konrad@kernel.org, xen-devel@lists.xenproject.org,
sasha.levin@oracle.com, andrew.cooper3@citrix.com,
ross.lagerwall@citrix.com, mpohlack@amazon.de
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: [PATCH v9 02/27] Revert "HYPERCALL_version_op. New hypercall mirroring XENVER_ but sane."
Date: Mon, 25 Apr 2016 11:34:49 -0400 [thread overview]
Message-ID: <1461598514-5440-3-git-send-email-konrad.wilk@oracle.com> (raw)
In-Reply-To: <1461598514-5440-1-git-send-email-konrad.wilk@oracle.com>
This reverts commit 2716d875379d538c1dfccad78a99ca7db2e09f90.
As it was decided that the existing XENVER hypercall - while having
grown organically over the years can still be expanded.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
tools/flask/policy/policy/modules/xen/xen.te | 7 +-
xen/arch/arm/traps.c | 1 -
xen/arch/x86/hvm/hvm.c | 1 -
xen/arch/x86/x86_64/compat/entry.S | 2 -
xen/arch/x86/x86_64/entry.S | 2 -
xen/common/compat/kernel.c | 2 -
xen/common/kernel.c | 212 +++++----------------------
xen/include/public/arch-arm.h | 2 -
xen/include/public/version.h | 72 +--------
xen/include/public/xen.h | 1 -
xen/include/xen/hypercall.h | 4 -
xen/include/xsm/dummy.h | 21 ---
xen/include/xsm/xsm.h | 6 -
xen/xsm/dummy.c | 1 -
xen/xsm/flask/hooks.c | 35 -----
xen/xsm/flask/policy/access_vectors | 21 +--
16 files changed, 43 insertions(+), 347 deletions(-)
diff --git a/tools/flask/policy/policy/modules/xen/xen.te b/tools/flask/policy/policy/modules/xen/xen.te
index a551756..2a2630d 100644
--- a/tools/flask/policy/policy/modules/xen/xen.te
+++ b/tools/flask/policy/policy/modules/xen/xen.te
@@ -76,12 +76,11 @@ allow dom0_t xen_t:xen2 {
get_cpu_featureset
};
-# Allow dom0 to use all XENVER_ subops and VERSION subops that have checks.
+# Allow dom0 to use all XENVER_ subops that have checks.
# Note that dom0 is part of domain_type so this has duplicates.
allow dom0_t xen_t:version {
xen_extraversion xen_compile_info xen_capabilities
xen_changeset xen_pagesize xen_guest_handle xen_commandline
- extraversion capabilities changeset pagesize guest_handle commandline
};
allow dom0_t xen_t:mmu memorymap;
@@ -148,12 +147,10 @@ if (guest_writeconsole) {
# pmu_ctrl is for)
allow domain_type xen_t:xen2 pmu_use;
-# For normal guests all possible except XENVER_commandline, VERSION_changeset,
-# and VERSION_commandline
+# For normal guests all possible except XENVER_commandline.
allow domain_type xen_t:version {
xen_extraversion xen_compile_info xen_capabilities
xen_changeset xen_pagesize xen_guest_handle
- extraversion capabilities pagesize guest_handle
};
###############################################################################
diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 1516abd..9abfc3c 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -1274,7 +1274,6 @@ static arm_hypercall_t arm_hypercall_table[] = {
HYPERCALL(multicall, 2),
HYPERCALL(platform_op, 1),
HYPERCALL_ARM(vcpu_op, 3),
- HYPERCALL(version_op, 3),
};
#ifndef NDEBUG
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index e9d4c6b..8cb6e9e 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -4053,7 +4053,6 @@ static const struct {
COMPAT_CALL(platform_op),
COMPAT_CALL(mmuext_op),
HYPERCALL(xenpmu_op),
- HYPERCALL(version_op),
HYPERCALL(arch_1)
};
diff --git a/xen/arch/x86/x86_64/compat/entry.S b/xen/arch/x86/x86_64/compat/entry.S
index 0ff6818..6ca4a54 100644
--- a/xen/arch/x86/x86_64/compat/entry.S
+++ b/xen/arch/x86/x86_64/compat/entry.S
@@ -399,7 +399,6 @@ ENTRY(compat_hypercall_table)
.quad do_tmem_op
.quad do_ni_hypercall /* reserved for XenClient */
.quad do_xenpmu_op /* 40 */
- .quad do_version_op
.rept __HYPERVISOR_arch_0-((.-compat_hypercall_table)/8)
.quad compat_ni_hypercall
.endr
@@ -451,7 +450,6 @@ ENTRY(compat_hypercall_args_table)
.byte 1 /* do_tmem_op */
.byte 0 /* reserved for XenClient */
.byte 2 /* do_xenpmu_op */ /* 40 */
- .byte 3 /* do_version_op */
.rept __HYPERVISOR_arch_0-(.-compat_hypercall_args_table)
.byte 0 /* compat_ni_hypercall */
.endr
diff --git a/xen/arch/x86/x86_64/entry.S b/xen/arch/x86/x86_64/entry.S
index 6866e8f..d0f3259 100644
--- a/xen/arch/x86/x86_64/entry.S
+++ b/xen/arch/x86/x86_64/entry.S
@@ -735,7 +735,6 @@ ENTRY(hypercall_table)
.quad do_tmem_op
.quad do_ni_hypercall /* reserved for XenClient */
.quad do_xenpmu_op /* 40 */
- .quad do_version_op
.rept __HYPERVISOR_arch_0-((.-hypercall_table)/8)
.quad do_ni_hypercall
.endr
@@ -787,7 +786,6 @@ ENTRY(hypercall_args_table)
.byte 1 /* do_tmem_op */
.byte 0 /* reserved for XenClient */
.byte 2 /* do_xenpmu_op */ /* 40 */
- .byte 3 /* do_version_op */
.rept __HYPERVISOR_arch_0-(.-hypercall_args_table)
.byte 0 /* do_ni_hypercall */
.endr
diff --git a/xen/common/compat/kernel.c b/xen/common/compat/kernel.c
index 7a7ca53..df93fdd 100644
--- a/xen/common/compat/kernel.c
+++ b/xen/common/compat/kernel.c
@@ -39,8 +39,6 @@ CHECK_TYPE(capabilities_info);
CHECK_TYPE(domain_handle);
-CHECK_TYPE(version_op_val);
-
#define xennmi_callback compat_nmi_callback
#define xennmi_callback_t compat_nmi_callback_t
diff --git a/xen/common/kernel.c b/xen/common/kernel.c
index af2674d..a4a3c36 100644
--- a/xen/common/kernel.c
+++ b/xen/common/kernel.c
@@ -221,47 +221,6 @@ void __init do_initcalls(void)
#endif
-static int get_features(struct domain *d, xen_feature_info_t *fi)
-{
- switch ( fi->submap_idx )
- {
- case 0:
- fi->submap = (1U << XENFEAT_memory_op_vnode_supported);
- if ( paging_mode_translate(d) )
- fi->submap |=
- (1U << XENFEAT_writable_page_tables) |
- (1U << XENFEAT_auto_translated_physmap);
- if ( is_hardware_domain(d) )
- fi->submap |= 1U << XENFEAT_dom0;
-#ifdef CONFIG_X86
- if ( VM_ASSIST(d, pae_extended_cr3) )
- fi->submap |= (1U << XENFEAT_pae_pgdir_above_4gb);
- switch ( d->guest_type )
- {
- case guest_type_pv:
- fi->submap |= (1U << XENFEAT_mmu_pt_update_preserve_ad) |
- (1U << XENFEAT_highmem_assist) |
- (1U << XENFEAT_gnttab_map_avail_bits);
- break;
- case guest_type_pvh:
- fi->submap |= (1U << XENFEAT_hvm_safe_pvclock) |
- (1U << XENFEAT_supervisor_mode_kernel) |
- (1U << XENFEAT_hvm_callback_vector);
- break;
- case guest_type_hvm:
- fi->submap |= (1U << XENFEAT_hvm_safe_pvclock) |
- (1U << XENFEAT_hvm_callback_vector) |
- (1U << XENFEAT_hvm_pirqs);
- break;
- }
-#endif
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
/*
* Simple hypercalls.
*/
@@ -339,14 +298,47 @@ DO(xen_version)(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
case XENVER_get_features:
{
xen_feature_info_t fi;
- int rc;
+ struct domain *d = current->domain;
if ( copy_from_guest(&fi, arg, 1) )
return -EFAULT;
- rc = get_features(current->domain, &fi);
- if ( rc )
- return rc;
+ switch ( fi.submap_idx )
+ {
+ case 0:
+ fi.submap = (1U << XENFEAT_memory_op_vnode_supported);
+ if ( VM_ASSIST(d, pae_extended_cr3) )
+ fi.submap |= (1U << XENFEAT_pae_pgdir_above_4gb);
+ if ( paging_mode_translate(d) )
+ fi.submap |=
+ (1U << XENFEAT_writable_page_tables) |
+ (1U << XENFEAT_auto_translated_physmap);
+ if ( is_hardware_domain(d) )
+ fi.submap |= 1U << XENFEAT_dom0;
+#ifdef CONFIG_X86
+ switch ( d->guest_type )
+ {
+ case guest_type_pv:
+ fi.submap |= (1U << XENFEAT_mmu_pt_update_preserve_ad) |
+ (1U << XENFEAT_highmem_assist) |
+ (1U << XENFEAT_gnttab_map_avail_bits);
+ break;
+ case guest_type_pvh:
+ fi.submap |= (1U << XENFEAT_hvm_safe_pvclock) |
+ (1U << XENFEAT_supervisor_mode_kernel) |
+ (1U << XENFEAT_hvm_callback_vector);
+ break;
+ case guest_type_hvm:
+ fi.submap |= (1U << XENFEAT_hvm_safe_pvclock) |
+ (1U << XENFEAT_hvm_callback_vector) |
+ (1U << XENFEAT_hvm_pirqs);
+ break;
+ }
+#endif
+ break;
+ default:
+ return -EINVAL;
+ }
if ( __copy_to_guest(arg, &fi, 1) )
return -EFAULT;
@@ -389,122 +381,6 @@ DO(xen_version)(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
return -ENOSYS;
}
-/* Computed by capabilities_cache_init. */
-static xen_capabilities_info_t __read_mostly cached_cap;
-static unsigned int __read_mostly cached_cap_len;
-
-/*
- * Similar to HYPERVISOR_xen_version but with a sane interface
- * (has a length, one can probe for the length) and with one less sub-ops:
- * missing XENVER_compile_info.
- */
-DO(version_op)(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg,
- unsigned int len)
-{
- union {
- xen_version_op_val_t val;
- xen_feature_info_t fi;
- } u = {};
- unsigned int sz = 0;
- const void *ptr = NULL;
- int rc = xsm_version_op(XSM_OTHER, cmd);
-
- if ( rc )
- return rc;
-
- /*
- * The HYPERVISOR_xen_version sub-ops differ in that some return the value,
- * and some copy it on back on argument. We follow the same rule for all
- * sub-ops: return the number of bytes written, or negative errno on
- * failure, and always copy the result in arg. Yeey sanity!
- */
- switch ( cmd )
- {
- case XEN_VERSION_version:
- sz = sizeof(xen_version_op_val_t);
- u.val = (xen_major_version() << 16) | xen_minor_version();
- break;
-
- case XEN_VERSION_extraversion:
- sz = strlen(xen_extra_version()) + 1;
- ptr = xen_extra_version();
- break;
-
- case XEN_VERSION_capabilities:
- sz = cached_cap_len;
- ptr = cached_cap;
- break;
-
- case XEN_VERSION_changeset:
- sz = strlen(xen_changeset()) + 1;
- ptr = xen_changeset();
- break;
-
- case XEN_VERSION_platform_parameters:
- sz = sizeof(xen_version_op_val_t);
- u.val = HYPERVISOR_VIRT_START;
- break;
-
- case XEN_VERSION_get_features:
- sz = sizeof(xen_feature_info_t);
-
- if ( guest_handle_is_null(arg) )
- break;
-
- if ( copy_from_guest(&u.fi, arg, 1) )
- {
- rc = -EFAULT;
- break;
- }
- rc = get_features(current->domain, &u.fi);
- break;
-
- case XEN_VERSION_pagesize:
- sz = sizeof(xen_version_op_val_t);
- u.val = PAGE_SIZE;
- break;
-
- case XEN_VERSION_guest_handle:
- sz = ARRAY_SIZE(current->domain->handle);
- ptr = current->domain->handle;
- break;
-
- case XEN_VERSION_commandline:
- sz = strlen(saved_cmdline) + 1;
- ptr = saved_cmdline;
- break;
-
- default:
- rc = -ENOSYS;
- }
-
- if ( rc )
- return rc;
-
- /*
- * This hypercall also allows the client to probe. If it provides
- * a NULL arg we will return the size of the space it has to
- * allocate for the specific sub-op.
- */
- ASSERT(sz);
- if ( guest_handle_is_null(arg) )
- return sz;
-
- if ( !rc )
- {
- unsigned int bytes = min(sz, len);
-
- if ( copy_to_guest(arg, ptr ? : &u, bytes) )
- rc = -EFAULT;
-
- /* We return len (truncate) worth of data even if we fail. */
- if ( !rc && sz > len )
- rc = -ENOBUFS;
- }
-
- return rc == 0 ? sz : rc;
-}
-
DO(nmi_op)(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
struct xennmi_callback cb;
@@ -542,20 +418,6 @@ DO(ni_hypercall)(void)
return -ENOSYS;
}
-static int __init capabilities_cache_init(void)
-{
- /*
- * Pre-populate the cache so we do not have to worry about
- * simultaneous invocations on safe_strcat by guests and the cache
- * data becoming garbage.
- */
- arch_get_xen_caps(&cached_cap);
- cached_cap_len = strlen(cached_cap) + 1;
-
- return 0;
-}
-__initcall(capabilities_cache_init);
-
/*
* Local variables:
* mode: C
diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h
index 5f90718..870bc3b 100644
--- a/xen/include/public/arch-arm.h
+++ b/xen/include/public/arch-arm.h
@@ -128,8 +128,6 @@
* * VCPUOP_register_vcpu_info
* * VCPUOP_register_runstate_memory_area
*
- * HYPERVISOR_version_op
- * All generic sub-operations
*
* Other notes on the ARM ABI:
*
diff --git a/xen/include/public/version.h b/xen/include/public/version.h
index 78961c9..24a582f 100644
--- a/xen/include/public/version.h
+++ b/xen/include/public/version.h
@@ -30,16 +30,7 @@
#include "xen.h"
-/*
- * There are two hypercalls mentioned in here. The XENVER_ are for
- * HYPERCALL_xen_version (17), while VERSION_ are for the
- * HYPERCALL_version_op (41).
- *
- * The subops are very similar except that the later hypercall has a
- * sane interface.
- *
- * NB. All XENVER_ ops return zero on success, except XENVER_{version,pagesize}
- */
+/* NB. All ops return zero on success, except XENVER_{version,pagesize} */
/* arg == NULL; returns major:minor (16:16). */
#define XENVER_version 0
@@ -96,67 +87,6 @@ typedef struct xen_feature_info xen_feature_info_t;
#define XENVER_commandline 9
typedef char xen_commandline_t[1024];
-/*
- * The HYPERCALL_version_op has a set of sub-ops which mirror the
- * sub-ops of HYPERCALL_xen_version. However this hypercall differs
- * radically from the former:
- * - It returns the amount of bytes copied, or
- * - It will return -XEN_EPERM if the sub-op is denied to the guest.
- * (Albeit XEN_VERSION_version, XEN_VERSION_platform_parameters, and
- * XEN_VERSION_get_features will always return an value as guest cannot
- * survive without this information).
- * - It will return the requested data in arg.
- * - It requires an third argument (len) for the length of the
- * arg. Naturally the arg has to fit the requested data otherwise
- * -XEN_ENOBUFS is returned.
- *
- * It also offers a mechanism to probe for the amount of bytes an
- * sub-op will require. Having the arg have a NULL handle will
- * return the number of bytes requested for the operation.
- * Or a negative value if an error is encountered.
- */
-
-typedef uint64_t xen_version_op_val_t;
-DEFINE_XEN_GUEST_HANDLE(xen_version_op_val_t);
-
-/*
- * arg == xen_version_op_val_t. Encoded as major:minor (31..16:15..0), while
- * 63..32 are zero.
- */
-#define XEN_VERSION_version 0
-
-/* arg == char[]. Contains NUL terminated utf-8 string. */
-#define XEN_VERSION_extraversion 1
-
-/* arg == char[]. Contains NUL terminated utf-8 string. */
-#define XEN_VERSION_capabilities 3
-
-/* arg == char[]. Contains NUL terminated utf-8 string. */
-#define XEN_VERSION_changeset 4
-
-/* arg == xen_version_op_val_t. */
-#define XEN_VERSION_platform_parameters 5
-
-/*
- * arg = xen_feature_info_t - shares the same structure
- * as the XENVER_get_features.
- */
-#define XEN_VERSION_get_features 6
-
-/* arg == xen_version_op_val_t. */
-#define XEN_VERSION_pagesize 7
-
-/*
- * arg == void.
- *
- * The toolstack fills it out for guest consumption. It is intended to hold
- * the UUID of the guest.
- */
-#define XEN_VERSION_guest_handle 8
-
-/* arg = char[]. Contains NUL terminated utf-8 string. */
-#define XEN_VERSION_commandline 9
-
#endif /* __XEN_PUBLIC_VERSION_H__ */
/*
diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
index 6ed74ef..37bbb22 100644
--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -115,7 +115,6 @@ DEFINE_XEN_GUEST_HANDLE(xen_ulong_t);
#define __HYPERVISOR_tmem_op 38
#define __HYPERVISOR_xc_reserved_op 39 /* reserved for XenClient */
#define __HYPERVISOR_xenpmu_op 40
-#define __HYPERVISOR_version_op 41 /* supersedes xen_version (17) */
/* Architecture-specific hypercall definitions. */
#define __HYPERVISOR_arch_0 48
diff --git a/xen/include/xen/hypercall.h b/xen/include/xen/hypercall.h
index e8d2b81..0c8ae0e 100644
--- a/xen/include/xen/hypercall.h
+++ b/xen/include/xen/hypercall.h
@@ -147,10 +147,6 @@ do_xenoprof_op(int op, XEN_GUEST_HANDLE_PARAM(void) arg);
extern long
do_xenpmu_op(unsigned int op, XEN_GUEST_HANDLE_PARAM(xen_pmu_params_t) arg);
-extern long
-do_version_op(unsigned int cmd,
- XEN_GUEST_HANDLE_PARAM(void) arg, unsigned int len);
-
#ifdef CONFIG_COMPAT
extern int
diff --git a/xen/include/xsm/dummy.h b/xen/include/xsm/dummy.h
index e5dad35..abbe282 100644
--- a/xen/include/xsm/dummy.h
+++ b/xen/include/xsm/dummy.h
@@ -751,24 +751,3 @@ static XSM_INLINE int xsm_xen_version (XSM_DEFAULT_ARG uint32_t op)
return xsm_default_action(XSM_PRIV, current->domain, NULL);
}
}
-
-static XSM_INLINE int xsm_version_op (XSM_DEFAULT_ARG uint32_t op)
-{
- XSM_ASSERT_ACTION(XSM_OTHER);
- switch ( op )
- {
- case XEN_VERSION_version:
- case XEN_VERSION_platform_parameters:
- case XEN_VERSION_get_features:
- /* These MUST always be accessible to any guest by default. */
- return 0;
- case XEN_VERSION_extraversion:
- case XEN_VERSION_capabilities:
- case XEN_VERSION_pagesize:
- case XEN_VERSION_guest_handle:
- /* These can be accessible to a guest. */
- return xsm_default_action(XSM_HOOK, current->domain, NULL);
- default:
- return xsm_default_action(XSM_PRIV, current->domain, NULL);
- }
-}
diff --git a/xen/include/xsm/xsm.h b/xen/include/xsm/xsm.h
index 3cfd953..8ed8ee5 100644
--- a/xen/include/xsm/xsm.h
+++ b/xen/include/xsm/xsm.h
@@ -197,7 +197,6 @@ struct xsm_operations {
int (*pmu_op) (struct domain *d, unsigned int op);
#endif
int (*xen_version) (uint32_t cmd);
- int (*version_op) (uint32_t cmd);
};
#ifdef CONFIG_XSM
@@ -741,11 +740,6 @@ static inline int xsm_xen_version (xsm_default_t def, uint32_t op)
return xsm_ops->xen_version(op);
}
-static inline int xsm_version_op (xsm_default_t def, uint32_t op)
-{
- return xsm_ops->version_op(op);
-}
-
#endif /* XSM_NO_WRAPPERS */
#ifdef CONFIG_MULTIBOOT
diff --git a/xen/xsm/dummy.c b/xen/xsm/dummy.c
index 776dd09..9791ad4 100644
--- a/xen/xsm/dummy.c
+++ b/xen/xsm/dummy.c
@@ -163,5 +163,4 @@ void xsm_fixup_ops (struct xsm_operations *ops)
set_to_dummy_if_null(ops, pmu_op);
#endif
set_to_dummy_if_null(ops, xen_version);
- set_to_dummy_if_null(ops, version_op);
}
diff --git a/xen/xsm/flask/hooks.c b/xen/xsm/flask/hooks.c
index 233612e..6295768 100644
--- a/xen/xsm/flask/hooks.c
+++ b/xen/xsm/flask/hooks.c
@@ -1664,40 +1664,6 @@ static int flask_xen_version (uint32_t op)
}
}
-static int flask_version_op (uint32_t op)
-{
- u32 dsid = domain_sid(current->domain);
-
- switch ( op )
- {
- case XEN_VERSION_version:
- case XEN_VERSION_platform_parameters:
- case XEN_VERSION_get_features:
- /* These MUST always be accessible to any guest by default. */
- return 0;
- case XEN_VERSION_extraversion:
- return avc_has_perm(dsid, SECINITSID_XEN, SECCLASS_VERSION,
- VERSION__EXTRAVERSION, NULL);
- case XEN_VERSION_capabilities:
- return avc_has_perm(dsid, SECINITSID_XEN, SECCLASS_VERSION,
- VERSION__CAPABILITIES, NULL);
- case XEN_VERSION_changeset:
- return avc_has_perm(dsid, SECINITSID_XEN, SECCLASS_VERSION,
- VERSION__CHANGESET, NULL);
- case XEN_VERSION_pagesize:
- return avc_has_perm(dsid, SECINITSID_XEN, SECCLASS_VERSION,
- VERSION__PAGESIZE, NULL);
- case XEN_VERSION_guest_handle:
- return avc_has_perm(dsid, SECINITSID_XEN, SECCLASS_VERSION,
- VERSION__GUEST_HANDLE, NULL);
- case XEN_VERSION_commandline:
- return avc_has_perm(dsid, SECINITSID_XEN, SECCLASS_VERSION,
- VERSION__COMMANDLINE, NULL);
- default:
- return -EPERM;
- }
-}
-
long do_flask_op(XEN_GUEST_HANDLE_PARAM(xsm_op_t) u_flask_op);
int compat_flask_op(XEN_GUEST_HANDLE_PARAM(xsm_op_t) u_flask_op);
@@ -1837,7 +1803,6 @@ static struct xsm_operations flask_ops = {
.pmu_op = flask_pmu_op,
#endif
.xen_version = flask_xen_version,
- .version_op = flask_version_op,
};
static __init void flask_init(void)
diff --git a/xen/xsm/flask/policy/access_vectors b/xen/xsm/flask/policy/access_vectors
index 0ebb56b..bdb7b89 100644
--- a/xen/xsm/flask/policy/access_vectors
+++ b/xen/xsm/flask/policy/access_vectors
@@ -500,14 +500,12 @@ class security
del_ocontext
}
-# Class version is used to describe the XENVER_ and VERSION hypercall.
+# Class version is used to describe the XENVER_ hypercall.
# Almost all sub-ops are described here - in the default case all of them should
-# be allowed except the XENVER_commandline, VERSION_commandline, and
-# VERSION_changeset.
+# be allowed except the XENVER_commandline.
#
# The ones that are omitted are XENVER_version, XENVER_platform_parameters,
-# XENVER_get_features, XEN_VERSION_version, XEN_VERSION_platform_parameters,
-# and XEN_VERSION_get_features - as they MUST always be returned to a guest.
+# and XENVER_get_features - as they MUST always be returned to a guest.
#
class version
{
@@ -525,17 +523,4 @@ class version
xen_guest_handle
# Xen command line.
xen_commandline
-# --- VERSION hypercall ---
-# Extra informations (-unstable).
- extraversion
-# Such as "xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64".
- capabilities
-# Source code changeset.
- changeset
-# Page size the hypervisor uses.
- pagesize
-# An value that the control stack can choose.
- guest_handle
-# Xen command line.
- commandline
}
--
2.5.0
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next prev parent reply other threads:[~2016-04-25 15:36 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 15:34 [PATCH 9] xSplice v1 design and implementation Konrad Rzeszutek Wilk
2016-04-25 15:34 ` [PATCH v9 01/27] Revert "libxc/libxl/python/xenstat/ocaml: Use new XEN_VERSION hypercall" Konrad Rzeszutek Wilk
2016-04-25 15:48 ` Jan Beulich
2016-04-25 15:53 ` Wei Liu
2016-04-25 15:34 ` Konrad Rzeszutek Wilk [this message]
2016-04-25 15:34 ` [PATCH v9 03/27] xsplice: Design document Konrad Rzeszutek Wilk
2016-04-25 15:34 ` [PATCH v9 04/27] xen/xsplice: Hypervisor implementation of XEN_XSPLICE_op Konrad Rzeszutek Wilk
2016-04-26 7:48 ` Ross Lagerwall
2016-04-26 7:52 ` Ross Lagerwall
2016-04-26 10:21 ` Jan Beulich
2016-04-26 17:50 ` Konrad Rzeszutek Wilk
2016-04-27 6:51 ` Jan Beulich
2016-04-27 13:47 ` Konrad Rzeszutek Wilk
2016-04-27 14:11 ` Jan Beulich
2016-04-25 15:34 ` [PATCH v9 05/27] libxc: Implementation of XEN_XSPLICE_op in libxc Konrad Rzeszutek Wilk
2016-04-26 7:51 ` Ross Lagerwall
2016-04-25 15:34 ` [PATCH v9 06/27] xen-xsplice: Tool to manipulate xsplice payloads Konrad Rzeszutek Wilk
2016-04-26 7:49 ` Ross Lagerwall
2016-04-25 15:34 ` [PATCH v9 07/27] arm/x86: Use struct virtual_region to do bug, symbol, and (x86) exception tables lookup Konrad Rzeszutek Wilk
2016-04-26 10:31 ` Jan Beulich
2016-04-25 15:34 ` [PATCH v9 08/27] arm/x86/vmap: Add v[z|m]alloc_xen and vm_init_type Konrad Rzeszutek Wilk
2016-04-26 10:47 ` Jan Beulich
2016-04-27 2:38 ` Konrad Rzeszutek Wilk
2016-04-27 7:12 ` Jan Beulich
2016-04-27 13:46 ` Konrad Rzeszutek Wilk
2016-04-27 14:15 ` Jan Beulich
2016-04-25 15:34 ` [PATCH v9 09/27] x86/mm: Introduce modify_xen_mappings() Konrad Rzeszutek Wilk
2016-04-25 15:34 ` [PATCH v9 10/27] xsplice: Add helper elf routines Konrad Rzeszutek Wilk
2016-04-26 10:05 ` Ross Lagerwall
2016-04-26 11:52 ` Jan Beulich
2016-04-26 12:37 ` Jan Beulich
2016-04-27 1:59 ` Konrad Rzeszutek Wilk
2016-04-27 7:27 ` Jan Beulich
2016-04-27 14:00 ` Konrad Rzeszutek Wilk
2016-04-27 4:06 ` Konrad Rzeszutek Wilk
2016-04-27 7:52 ` Jan Beulich
2016-04-27 18:45 ` Konrad Rzeszutek Wilk
2016-04-25 15:34 ` [PATCH v9 11/27] xsplice: Implement payload loading Konrad Rzeszutek Wilk
2016-04-26 10:48 ` Ross Lagerwall
2016-04-26 13:39 ` Jan Beulich
2016-04-27 1:47 ` Konrad Rzeszutek Wilk
2016-04-27 7:57 ` Jan Beulich
2016-04-27 3:28 ` Konrad Rzeszutek Wilk
2016-04-27 8:28 ` Jan Beulich
2016-04-27 15:48 ` Konrad Rzeszutek Wilk
2016-04-27 16:06 ` Jan Beulich
2016-04-27 16:14 ` Jan Beulich
2016-04-27 18:40 ` Konrad Rzeszutek Wilk
2016-04-25 15:34 ` [PATCH v9 12/27] xsplice: Implement support for applying/reverting/replacing patches Konrad Rzeszutek Wilk
2016-04-26 15:21 ` Jan Beulich
2016-04-27 3:39 ` Konrad Rzeszutek Wilk
2016-04-27 8:36 ` Jan Beulich
2016-05-11 9:51 ` Martin Pohlack
2016-05-11 13:56 ` Konrad Rzeszutek Wilk
2016-04-25 15:35 ` [PATCH v9 13/27] x86/xen_hello_world.xsplice: Test payload for patching 'xen_extra_version' Konrad Rzeszutek Wilk
2016-04-26 15:31 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 14/27] xsplice, symbols: Implement symbol name resolution on address Konrad Rzeszutek Wilk
2016-04-26 15:48 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 15/27] xsplice, symbols: Implement fast symbol names -> virtual addresses lookup Konrad Rzeszutek Wilk
2016-04-26 15:53 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 16/27] x86, xsplice: Print payload's symbol name and payload name in backtraces Konrad Rzeszutek Wilk
2016-04-26 11:06 ` Ross Lagerwall
2016-04-26 12:41 ` Jan Beulich
2016-04-26 12:48 ` Ross Lagerwall
2016-04-26 13:41 ` Jan Beulich
2016-04-27 3:31 ` Konrad Rzeszutek Wilk
2016-04-27 8:37 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 17/27] xsplice: Add support for bug frames Konrad Rzeszutek Wilk
2016-04-26 11:05 ` Ross Lagerwall
2016-04-26 13:08 ` Ross Lagerwall
2016-04-26 15:58 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 18/27] xsplice: Add support for exception tables Konrad Rzeszutek Wilk
2016-04-26 16:01 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 19/27] xsplice: Add support for alternatives Konrad Rzeszutek Wilk
2016-04-27 8:58 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 20/27] build_id: Provide ld-embedded build-ids Konrad Rzeszutek Wilk
2016-04-25 15:35 ` [PATCH v9 21/27] xsplice: Print build_id in keyhandler and on bootup Konrad Rzeszutek Wilk
2016-04-25 15:35 ` [PATCH v9 22/27] XENVER_build_id/libxc: Provide ld-embedded build-id Konrad Rzeszutek Wilk
2016-04-25 15:35 ` [PATCH v9 23/27] libxl: info: Display build_id of the hypervisor Konrad Rzeszutek Wilk
2016-04-25 15:35 ` [PATCH v9 24/27] xsplice: Stacking build-id dependency checking Konrad Rzeszutek Wilk
2016-04-27 9:27 ` Jan Beulich
2016-04-27 16:36 ` Konrad Rzeszutek Wilk
2016-04-28 9:47 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 25/27] xsplice/xen_replace_world: Test-case for XSPLICE_ACTION_REPLACE Konrad Rzeszutek Wilk
2016-04-25 15:35 ` [PATCH v9 26/27] xsplice: Prevent duplicate payloads from being loaded Konrad Rzeszutek Wilk
2016-04-27 9:31 ` Jan Beulich
2016-04-25 15:35 ` [PATCH v9 27/27] MAINTAINERS/xsplice: Add myself and Ross as the maintainers Konrad Rzeszutek Wilk
2016-04-25 15:41 ` [PATCH 9] xSplice v1 design and implementation Jan Beulich
2016-04-25 15:47 ` Konrad Rzeszutek Wilk
2016-04-25 15:54 ` Jan Beulich
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