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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] acm: Remove unecessary compat shim from do_acm_op().
# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1177598169 -3600
# Node ID d0acb5a3e8d8540ceb936a01a14e033619af5226
# Parent f8fd9afd2aadf19458fff9e144e567d113d80aa0
acm: Remove unecessary compat shim from do_acm_op().
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
xen/common/compat/acm_ops.c | 47 -----------------------------------
xen/arch/x86/x86_64/compat/entry.S | 4 +--
xen/common/Makefile | 1
xen/common/acm_ops.c | 49 +++++++++----------------------------
xen/include/Makefile | 2 -
xen/include/xlat.lst | 1
6 files changed, 15 insertions(+), 89 deletions(-)
diff -r f8fd9afd2aad -r d0acb5a3e8d8 xen/arch/x86/x86_64/compat/entry.S
--- a/xen/arch/x86/x86_64/compat/entry.S Thu Apr 26 15:25:09 2007 +0100
+++ b/xen/arch/x86/x86_64/compat/entry.S Thu Apr 26 15:36:09 2007 +0100
@@ -331,7 +331,7 @@ ENTRY(compat_hypercall_table)
.quad compat_vcpu_op
.quad compat_ni_hypercall /* 25 */
.quad compat_mmuext_op
- .quad compat_acm_op
+ .quad do_acm_op
.quad compat_nmi_op
.quad compat_sched_op
.quad compat_callback_op /* 30 */
@@ -374,7 +374,7 @@ ENTRY(compat_hypercall_args_table)
.byte 3 /* compat_vcpu_op */
.byte 0 /* compat_ni_hypercall */ /* 25 */
.byte 4 /* compat_mmuext_op */
- .byte 1 /* compat_acm_op */
+ .byte 1 /* do_acm_op */
.byte 2 /* compat_nmi_op */
.byte 2 /* compat_sched_op */
.byte 2 /* compat_callback_op */ /* 30 */
diff -r f8fd9afd2aad -r d0acb5a3e8d8 xen/common/Makefile
--- a/xen/common/Makefile Thu Apr 26 15:25:09 2007 +0100
+++ b/xen/common/Makefile Thu Apr 26 15:36:09 2007 +0100
@@ -43,7 +43,6 @@ version.o: $(BASEDIR)/include/xen/compil
ifeq ($(CONFIG_COMPAT),y)
# extra dependencies
-acm_ops.o: compat/acm_ops.c
grant_table.o: compat/grant_table.c
kexec.o: compat/kexec.c
schedule.o: compat/schedule.c
diff -r f8fd9afd2aad -r d0acb5a3e8d8 xen/common/acm_ops.c
--- a/xen/common/acm_ops.c Thu Apr 26 15:25:09 2007 +0100
+++ b/xen/common/acm_ops.c Thu Apr 26 15:36:09 2007 +0100
@@ -12,10 +12,8 @@
* License.
*
* Process acm command requests from guest OS.
- *
*/
-#ifndef COMPAT
#include <xen/config.h>
#include <xen/types.h>
#include <xen/lib.h>
@@ -29,38 +27,25 @@
#include <xen/guest_access.h>
#include <acm/acm_hooks.h>
-typedef long ret_t;
-
-#endif /* !COMPAT */
-
#ifndef ACM_SECURITY
-
long do_acm_op(int cmd, XEN_GUEST_HANDLE(void) arg)
{
return -ENOSYS;
}
-
#else
-
-#ifndef COMPAT
int acm_authorize_acm_ops(struct domain *d)
{
- /* currently, policy management functions are restricted to privileged
domains */
- if (!IS_PRIV(d))
- return -EPERM;
- return 0;
-}
-#endif
-
-
-ret_t do_acm_op(int cmd, XEN_GUEST_HANDLE(void) arg)
-{
- ret_t rc = -EFAULT;
-
- if (acm_authorize_acm_ops(current->domain))
+ return (IS_PRIV(d) ? 0 : -EPERM);
+}
+
+long do_acm_op(int cmd, XEN_GUEST_HANDLE(void) arg)
+{
+ long rc = -EFAULT;
+
+ if ( acm_authorize_acm_ops(current->domain) )
return -EPERM;
switch ( cmd )
@@ -226,11 +211,9 @@ ret_t do_acm_op(int cmd, XEN_GUEST_HANDL
rc = acm_change_policy(&chgpolicy);
- if (rc == 0) {
- if (copy_to_guest(arg, &chgpolicy, 1) != 0) {
+ if (rc == 0)
+ if (copy_to_guest(arg, &chgpolicy, 1) != 0)
rc = -EFAULT;
- }
- }
break;
}
@@ -244,11 +227,9 @@ ret_t do_acm_op(int cmd, XEN_GUEST_HANDL
rc = acm_relabel_domains(&relabeldoms);
- if (rc == 0) {
- if (copy_to_guest(arg, &relabeldoms, 1) != 0) {
+ if (rc == 0)
+ if (copy_to_guest(arg, &relabeldoms, 1) != 0)
rc = -EFAULT;
- }
- }
break;
}
@@ -260,11 +241,7 @@ ret_t do_acm_op(int cmd, XEN_GUEST_HANDL
return rc;
}
-#endif
-
-#if defined(CONFIG_COMPAT) && !defined(COMPAT)
-#include "compat/acm_ops.c"
-#endif
+#endif /* defined(ACM_SECURITY) */
/*
* Local variables:
diff -r f8fd9afd2aad -r d0acb5a3e8d8 xen/common/compat/acm_ops.c
--- a/xen/common/compat/acm_ops.c Thu Apr 26 15:25:09 2007 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-/******************************************************************************
- * compat/acm_ops.c
- */
-
-#include <compat/acm.h>
-#include <compat/acm_ops.h>
-
-#define COMPAT
-#define ret_t int
-
-#define do_acm_op compat_acm_op
-
-static inline XEN_GUEST_HANDLE(void) acm_xlat_handle(COMPAT_HANDLE(void) cmp)
-{
- XEN_GUEST_HANDLE(void) nat;
-
- guest_from_compat_handle(nat, cmp);
- return nat;
-}
-
-#define acm_setpolicy compat_acm_setpolicy
-#define acm_set_policy(h, sz) acm_set_policy(acm_xlat_handle(h), sz)
-
-#define acm_getpolicy compat_acm_getpolicy
-#define acm_get_policy(h, sz) acm_get_policy(acm_xlat_handle(h), sz)
-
-#define acm_dumpstats compat_acm_dumpstats
-#define acm_dump_statistics(h, sz) acm_dump_statistics(acm_xlat_handle(h), sz)
-
-#define acm_getssid compat_acm_getssid
-#define acm_get_ssid(r, h, sz) acm_get_ssid(r, acm_xlat_handle(h), sz)
-
-#define xen_acm_getdecision acm_getdecision
-CHECK_acm_getdecision;
-#undef xen_acm_getdecision
-
-#include "../acm_ops.c"
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
diff -r f8fd9afd2aad -r d0acb5a3e8d8 xen/include/Makefile
--- a/xen/include/Makefile Thu Apr 26 15:25:09 2007 +0100
+++ b/xen/include/Makefile Thu Apr 26 15:36:09 2007 +0100
@@ -3,8 +3,6 @@ compat-arch-$(CONFIG_X86) := x86_32
compat-arch-$(CONFIG_X86) := x86_32
headers-y := \
- compat/acm.h \
- compat/acm_ops.h \
compat/callback.h \
compat/elfnote.h \
compat/event_channel.h \
diff -r f8fd9afd2aad -r d0acb5a3e8d8 xen/include/xlat.lst
--- a/xen/include/xlat.lst Thu Apr 26 15:25:09 2007 +0100
+++ b/xen/include/xlat.lst Thu Apr 26 15:36:09 2007 +0100
@@ -9,7 +9,6 @@
! cpu_user_regs arch-x86/xen-@arch@.h
! trap_info arch-x86/xen.h
! vcpu_guest_context arch-x86/xen.h
-? acm_getdecision acm_ops.h
? evtchn_alloc_unbound event_channel.h
? evtchn_bind_interdomain event_channel.h
? evtchn_bind_ipi event_channel.h
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