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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v2 08/70] xen: CFI hardening for x86 hypercalls
Control Flow Integrity schemes use toolchain and optionally hardware support
to help protect against call/jump/return oriented programming attacks.
Use cf_check to annotate function pointer targets for the toolchain.
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
xen/arch/x86/compat.c | 7 ++--
xen/arch/x86/cpu/mcheck/mce.c | 2 +-
xen/arch/x86/cpu/vpmu.c | 3 +-
xen/arch/x86/hvm/dm.c | 5 ++-
xen/arch/x86/hvm/hvm.c | 2 +-
xen/arch/x86/hvm/hypercall.c | 5 +--
xen/arch/x86/include/asm/hypercall.h | 69 +++++++++++++++++++-----------------
xen/arch/x86/include/asm/paging.h | 2 +-
xen/arch/x86/mm.c | 23 ++++++------
xen/arch/x86/mm/paging.c | 3 +-
xen/arch/x86/physdev.c | 2 +-
xen/arch/x86/platform_hypercall.c | 3 +-
xen/arch/x86/pv/callback.c | 25 +++++++------
xen/arch/x86/pv/descriptor-tables.c | 14 ++++----
xen/arch/x86/pv/iret.c | 4 +--
xen/arch/x86/pv/misc-hypercalls.c | 10 +++---
xen/arch/x86/pv/shim.c | 8 ++---
xen/arch/x86/x86_64/compat/mm.c | 7 ++--
xen/common/argo.c | 4 +--
xen/common/compat/domain.c | 3 +-
xen/common/compat/grant_table.c | 5 ++-
xen/common/compat/kernel.c | 2 +-
xen/common/compat/memory.c | 3 +-
xen/common/dm.c | 6 ++--
xen/common/domain.c | 5 +--
xen/common/domctl.c | 2 +-
xen/common/event_channel.c | 2 +-
xen/common/grant_table.c | 2 +-
xen/common/hypfs.c | 6 ++--
xen/common/kernel.c | 2 +-
xen/common/kexec.c | 4 +--
xen/common/memory.c | 2 +-
xen/common/multicall.c | 2 +-
xen/common/sched/compat.c | 2 +-
xen/common/sched/core.c | 4 +--
xen/common/sysctl.c | 2 +-
xen/common/xenoprof.c | 2 +-
xen/drivers/char/console.c | 4 +--
xen/include/xen/hypercall.h | 69 ++++++++++++++++++------------------
xen/xsm/xsm_core.c | 4 +--
40 files changed, 169 insertions(+), 162 deletions(-)
diff --git a/xen/arch/x86/compat.c b/xen/arch/x86/compat.c
index 939b449dec29..28281a262a3c 100644
--- a/xen/arch/x86/compat.c
+++ b/xen/arch/x86/compat.c
@@ -15,7 +15,7 @@ typedef long ret_t;
#endif
/* Legacy hypercall (as of 0x00030202). */
-ret_t do_physdev_op_compat(XEN_GUEST_HANDLE_PARAM(physdev_op_t) uop)
+ret_t cf_check do_physdev_op_compat(XEN_GUEST_HANDLE_PARAM(physdev_op_t) uop)
{
struct physdev_op op;
@@ -28,7 +28,7 @@ ret_t
do_physdev_op_compat(XEN_GUEST_HANDLE_PARAM(physdev_op_t) uop)
#ifndef COMPAT
/* Legacy hypercall (as of 0x00030101). */
-long do_sched_op_compat(int cmd, unsigned long arg)
+long cf_check do_sched_op_compat(int cmd, unsigned long arg)
{
switch ( cmd )
{
@@ -50,7 +50,8 @@ long do_sched_op_compat(int cmd, unsigned long arg)
}
/* Legacy hypercall (as of 0x00030202). */
-long do_event_channel_op_compat(XEN_GUEST_HANDLE_PARAM(evtchn_op_t) uop)
+long cf_check do_event_channel_op_compat(
+ XEN_GUEST_HANDLE_PARAM(evtchn_op_t) uop)
{
struct evtchn_op op;
diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c
index 7f433343bca3..eae08caa07cd 100644
--- a/xen/arch/x86/cpu/mcheck/mce.c
+++ b/xen/arch/x86/cpu/mcheck/mce.c
@@ -1351,7 +1351,7 @@ CHECK_mcinfo_recovery;
# endif /* CONFIG_COMPAT */
/* Machine Check Architecture Hypercall */
-long do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc)
+long cf_check do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc)
{
long ret = 0;
struct xen_mc curop, *op = &curop;
diff --git a/xen/arch/x86/cpu/vpmu.c b/xen/arch/x86/cpu/vpmu.c
index 8ec4547bedf4..598291f4ece9 100644
--- a/xen/arch/x86/cpu/vpmu.c
+++ b/xen/arch/x86/cpu/vpmu.c
@@ -671,7 +671,8 @@ void vpmu_dump(struct vcpu *v)
alternative_vcall(vpmu_ops.arch_vpmu_dump, v);
}
-long do_xenpmu_op(unsigned int op, XEN_GUEST_HANDLE_PARAM(xen_pmu_params_t)
arg)
+long cf_check do_xenpmu_op(
+ unsigned int op, XEN_GUEST_HANDLE_PARAM(xen_pmu_params_t) arg)
{
int ret;
struct vcpu *curr;
diff --git a/xen/arch/x86/hvm/dm.c b/xen/arch/x86/hvm/dm.c
index b60b9f3364a8..d80975efcf45 100644
--- a/xen/arch/x86/hvm/dm.c
+++ b/xen/arch/x86/hvm/dm.c
@@ -654,9 +654,8 @@ CHECK_dm_op_relocate_memory;
CHECK_dm_op_pin_memory_cacheattr;
CHECK_dm_op_nr_vcpus;
-int compat_dm_op(domid_t domid,
- unsigned int nr_bufs,
- XEN_GUEST_HANDLE_PARAM(void) bufs)
+int cf_check compat_dm_op(
+ domid_t domid, unsigned int nr_bufs, XEN_GUEST_HANDLE_PARAM(void) bufs)
{
struct dmop_args args;
unsigned int i;
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index c4ddb8607d9c..4e685c1b0c1b 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -5015,7 +5015,7 @@ static int hvmop_get_mem_type(
return rc;
}
-long do_hvm_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void) arg)
+long cf_check do_hvm_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void) arg)
{
long rc = 0;
diff --git a/xen/arch/x86/hvm/hypercall.c b/xen/arch/x86/hvm/hypercall.c
index 384724ec41a3..030243810e48 100644
--- a/xen/arch/x86/hvm/hypercall.c
+++ b/xen/arch/x86/hvm/hypercall.c
@@ -31,7 +31,8 @@
#include <public/hvm/hvm_op.h>
#include <public/hvm/params.h>
-static long hvm_memory_op(unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
+static long cf_check hvm_memory_op(
+ unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
long rc;
@@ -51,7 +52,7 @@ static long hvm_memory_op(unsigned long cmd,
XEN_GUEST_HANDLE_PARAM(void) arg)
}
#ifdef CONFIG_GRANT_TABLE
-static long hvm_grant_table_op(
+static long cf_check hvm_grant_table_op(
unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) uop, unsigned int count)
{
switch ( cmd )
diff --git a/xen/arch/x86/include/asm/hypercall.h
b/xen/arch/x86/include/asm/hypercall.h
index eb3aed3bf70e..16d8418b5774 100644
--- a/xen/arch/x86/include/asm/hypercall.h
+++ b/xen/arch/x86/include/asm/hypercall.h
@@ -38,97 +38,97 @@ void pv_ring3_init_hypercall_page(void *ptr);
*/
#define MMU_UPDATE_PREEMPTED (~(~0U>>1))
-extern long
+extern long cf_check
do_event_channel_op_compat(
XEN_GUEST_HANDLE_PARAM(evtchn_op_t) uop);
/* Legacy hypercall (as of 0x00030202). */
-extern long do_physdev_op_compat(
+extern long cf_check do_physdev_op_compat(
XEN_GUEST_HANDLE(physdev_op_t) uop);
/* Legacy hypercall (as of 0x00030101). */
-extern long do_sched_op_compat(
+extern long cf_check do_sched_op_compat(
int cmd, unsigned long arg);
-extern long
+extern long cf_check
do_set_trap_table(
XEN_GUEST_HANDLE_PARAM(const_trap_info_t) traps);
-extern long
+extern long cf_check
do_mmu_update(
XEN_GUEST_HANDLE_PARAM(mmu_update_t) ureqs,
unsigned int count,
XEN_GUEST_HANDLE_PARAM(uint) pdone,
unsigned int foreigndom);
-extern long
+extern long cf_check
do_set_gdt(
XEN_GUEST_HANDLE_PARAM(xen_ulong_t) frame_list,
unsigned int entries);
-extern long
+extern long cf_check
do_stack_switch(
unsigned long ss,
unsigned long esp);
-extern long
+extern long cf_check
do_fpu_taskswitch(
int set);
-extern long
+extern long cf_check
do_set_debugreg(
int reg,
unsigned long value);
-extern unsigned long
+extern unsigned long cf_check
do_get_debugreg(
int reg);
-extern long
+extern long cf_check
do_update_descriptor(
uint64_t gaddr, seg_desc_t desc);
-extern long
+extern long cf_check
do_mca(XEN_GUEST_HANDLE_PARAM(xen_mc_t) u_xen_mc);
-extern long
+extern long cf_check
do_update_va_mapping(
unsigned long va,
u64 val64,
unsigned long flags);
-extern long
+extern long cf_check
do_physdev_op(
int cmd, XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_update_va_mapping_otherdomain(
unsigned long va,
u64 val64,
unsigned long flags,
domid_t domid);
-extern long
+extern long cf_check
do_mmuext_op(
XEN_GUEST_HANDLE_PARAM(mmuext_op_t) uops,
unsigned int count,
XEN_GUEST_HANDLE_PARAM(uint) pdone,
unsigned int foreigndom);
-extern long do_callback_op(
+extern long cf_check do_callback_op(
int cmd, XEN_GUEST_HANDLE_PARAM(const_void) arg);
-extern unsigned long
+extern unsigned long cf_check
do_iret(
void);
-extern long
+extern long cf_check
do_set_callbacks(
unsigned long event_address,
unsigned long failsafe_address,
unsigned long syscall_address);
-extern long
+extern long cf_check
do_set_segment_base(
unsigned int which,
unsigned long base);
@@ -139,7 +139,7 @@ do_set_segment_base(
#include <compat/physdev.h>
#include <compat/platform.h>
-extern int
+extern int cf_check
compat_physdev_op(
int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
@@ -148,44 +148,47 @@ extern int
arch_compat_vcpu_op(
int cmd, struct vcpu *v, XEN_GUEST_HANDLE_PARAM(void) arg);
-extern int compat_mmuext_op(
+extern int cf_check compat_mmuext_op(
XEN_GUEST_HANDLE_PARAM(void) arg,
unsigned int count,
XEN_GUEST_HANDLE_PARAM(uint) pdone,
unsigned int foreigndom);
DEFINE_XEN_GUEST_HANDLE(compat_platform_op_t);
-extern int compat_platform_op(
+extern int cf_check compat_platform_op(
XEN_GUEST_HANDLE_PARAM(compat_platform_op_t) u_xenpf_op);
-extern long compat_callback_op(
+extern long cf_check compat_callback_op(
int cmd, XEN_GUEST_HANDLE(void) arg);
-extern int compat_update_va_mapping(
+extern int cf_check compat_update_va_mapping(
unsigned int va, u32 lo, u32 hi, unsigned int flags);
-extern int compat_update_va_mapping_otherdomain(
+extern int cf_check compat_update_va_mapping_otherdomain(
unsigned int va, u32 lo, u32 hi, unsigned int flags, domid_t domid);
DEFINE_XEN_GUEST_HANDLE(trap_info_compat_t);
-extern int compat_set_trap_table(XEN_GUEST_HANDLE(trap_info_compat_t) traps);
+extern int cf_check compat_set_trap_table(
+ XEN_GUEST_HANDLE(trap_info_compat_t) traps);
-extern int compat_set_gdt(
+extern int cf_check compat_set_gdt(
XEN_GUEST_HANDLE_PARAM(uint) frame_list, unsigned int entries);
-extern int compat_update_descriptor(
+extern int cf_check compat_update_descriptor(
u32 pa_lo, u32 pa_hi, u32 desc_lo, u32 desc_hi);
-extern unsigned int compat_iret(void);
+extern unsigned int cf_check compat_iret(void);
-extern int compat_nmi_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg);
+extern int cf_check compat_nmi_op(
+ unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long compat_set_callbacks(
+extern long cf_check compat_set_callbacks(
unsigned long event_selector, unsigned long event_address,
unsigned long failsafe_selector, unsigned long failsafe_address);
DEFINE_XEN_GUEST_HANDLE(physdev_op_compat_t);
-extern int compat_physdev_op_compat(XEN_GUEST_HANDLE(physdev_op_compat_t) uop);
+extern int cf_check compat_physdev_op_compat(
+ XEN_GUEST_HANDLE(physdev_op_compat_t) uop);
#endif /* CONFIG_COMPAT */
diff --git a/xen/arch/x86/include/asm/paging.h
b/xen/arch/x86/include/asm/paging.h
index 2ddcfb022c7b..f0b4efc66e2d 100644
--- a/xen/arch/x86/include/asm/paging.h
+++ b/xen/arch/x86/include/asm/paging.h
@@ -235,7 +235,7 @@ int paging_domctl(struct domain *d, struct
xen_domctl_shadow_op *sc,
bool_t resuming);
/* Helper hypercall for dealing with continuations. */
-long paging_domctl_continuation(XEN_GUEST_HANDLE_PARAM(xen_domctl_t));
+long cf_check paging_domctl_continuation(XEN_GUEST_HANDLE_PARAM(xen_domctl_t));
/* Call when destroying a vcpu/domain */
void paging_vcpu_teardown(struct vcpu *v);
diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index b80e4ab9c564..6484c3b97bbc 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -3377,7 +3377,7 @@ static int vcpumask_to_pcpumask(
}
}
-long do_mmuext_op(
+long cf_check do_mmuext_op(
XEN_GUEST_HANDLE_PARAM(mmuext_op_t) uops,
unsigned int count,
XEN_GUEST_HANDLE_PARAM(uint) pdone,
@@ -3916,7 +3916,7 @@ long do_mmuext_op(
return rc;
}
-long do_mmu_update(
+long cf_check do_mmu_update(
XEN_GUEST_HANDLE_PARAM(mmu_update_t) ureqs,
unsigned int count,
XEN_GUEST_HANDLE_PARAM(uint) pdone,
@@ -4501,8 +4501,8 @@ static int __do_update_va_mapping(
return rc;
}
-long do_update_va_mapping(unsigned long va, u64 val64,
- unsigned long flags)
+long cf_check do_update_va_mapping(
+ unsigned long va, u64 val64, unsigned long flags)
{
int rc = __do_update_va_mapping(va, val64, flags, current->domain);
@@ -4513,9 +4513,8 @@ long do_update_va_mapping(unsigned long va, u64 val64,
return rc;
}
-long do_update_va_mapping_otherdomain(unsigned long va, u64 val64,
- unsigned long flags,
- domid_t domid)
+long cf_check do_update_va_mapping_otherdomain(
+ unsigned long va, u64 val64, unsigned long flags, domid_t domid)
{
struct domain *pg_owner;
int rc;
@@ -4537,8 +4536,8 @@ long do_update_va_mapping_otherdomain(unsigned long va,
u64 val64,
#endif /* CONFIG_PV */
#ifdef CONFIG_PV32
-int compat_update_va_mapping(unsigned int va, uint32_t lo, uint32_t hi,
- unsigned int flags)
+int cf_check compat_update_va_mapping(
+ unsigned int va, uint32_t lo, uint32_t hi, unsigned int flags)
{
int rc = __do_update_va_mapping(va, ((uint64_t)hi << 32) | lo,
flags, current->domain);
@@ -4550,9 +4549,9 @@ int compat_update_va_mapping(unsigned int va, uint32_t
lo, uint32_t hi,
return rc;
}
-int compat_update_va_mapping_otherdomain(unsigned int va,
- uint32_t lo, uint32_t hi,
- unsigned int flags, domid_t domid)
+int cf_check compat_update_va_mapping_otherdomain(
+ unsigned int va, uint32_t lo, uint32_t hi, unsigned int flags,
+ domid_t domid)
{
struct domain *pg_owner;
int rc;
diff --git a/xen/arch/x86/mm/paging.c b/xen/arch/x86/mm/paging.c
index dc3a4a0b4bb1..1f0b94ad212a 100644
--- a/xen/arch/x86/mm/paging.c
+++ b/xen/arch/x86/mm/paging.c
@@ -759,7 +759,8 @@ int paging_domctl(struct domain *d, struct
xen_domctl_shadow_op *sc,
return shadow_domctl(d, sc, u_domctl);
}
-long paging_domctl_continuation(XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl)
+long cf_check paging_domctl_continuation(
+ XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl)
{
struct xen_domctl op;
struct domain *d;
diff --git a/xen/arch/x86/physdev.c b/xen/arch/x86/physdev.c
index ea38be8b797a..2ddcf44f33a4 100644
--- a/xen/arch/x86/physdev.c
+++ b/xen/arch/x86/physdev.c
@@ -174,7 +174,7 @@ int physdev_unmap_pirq(domid_t domid, int pirq)
}
#endif /* COMPAT */
-ret_t do_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
+ret_t cf_check do_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
int irq;
ret_t ret;
diff --git a/xen/arch/x86/platform_hypercall.c
b/xen/arch/x86/platform_hypercall.c
index bf4090c94201..84566bbfaa3d 100644
--- a/xen/arch/x86/platform_hypercall.c
+++ b/xen/arch/x86/platform_hypercall.c
@@ -213,7 +213,8 @@ void resource_access(void *info)
}
#endif
-ret_t do_platform_op(XEN_GUEST_HANDLE_PARAM(xen_platform_op_t) u_xenpf_op)
+ret_t cf_check do_platform_op(
+ XEN_GUEST_HANDLE_PARAM(xen_platform_op_t) u_xenpf_op)
{
ret_t ret;
struct xen_platform_op curop, *op = &curop;
diff --git a/xen/arch/x86/pv/callback.c b/xen/arch/x86/pv/callback.c
index 42a6aa0831b7..55148c7f9e50 100644
--- a/xen/arch/x86/pv/callback.c
+++ b/xen/arch/x86/pv/callback.c
@@ -140,7 +140,7 @@ static long unregister_guest_callback(struct
callback_unregister *unreg)
return ret;
}
-long do_callback_op(int cmd, XEN_GUEST_HANDLE_PARAM(const_void) arg)
+long cf_check do_callback_op(int cmd, XEN_GUEST_HANDLE_PARAM(const_void) arg)
{
long ret;
@@ -178,9 +178,9 @@ long do_callback_op(int cmd,
XEN_GUEST_HANDLE_PARAM(const_void) arg)
return ret;
}
-long do_set_callbacks(unsigned long event_address,
- unsigned long failsafe_address,
- unsigned long syscall_address)
+long cf_check do_set_callbacks(
+ unsigned long event_address, unsigned long failsafe_address,
+ unsigned long syscall_address)
{
struct callback_register event = {
.type = CALLBACKTYPE_event,
@@ -283,7 +283,7 @@ static long compat_unregister_guest_callback(
return ret;
}
-long compat_callback_op(int cmd, XEN_GUEST_HANDLE(void) arg)
+long cf_check compat_callback_op(int cmd, XEN_GUEST_HANDLE(void) arg)
{
long ret;
@@ -321,10 +321,9 @@ long compat_callback_op(int cmd, XEN_GUEST_HANDLE(void)
arg)
return ret;
}
-long compat_set_callbacks(unsigned long event_selector,
- unsigned long event_address,
- unsigned long failsafe_selector,
- unsigned long failsafe_address)
+long cf_check compat_set_callbacks(
+ unsigned long event_selector, unsigned long event_address,
+ unsigned long failsafe_selector, unsigned long failsafe_address)
{
struct compat_callback_register event = {
.type = CALLBACKTYPE_event,
@@ -349,7 +348,7 @@ long compat_set_callbacks(unsigned long event_selector,
#endif /* CONFIG_PV32 */
-long do_set_trap_table(XEN_GUEST_HANDLE_PARAM(const_trap_info_t) traps)
+long cf_check do_set_trap_table(XEN_GUEST_HANDLE_PARAM(const_trap_info_t)
traps)
{
struct trap_info cur;
struct vcpu *curr = current;
@@ -395,7 +394,7 @@ long
do_set_trap_table(XEN_GUEST_HANDLE_PARAM(const_trap_info_t) traps)
}
#ifdef CONFIG_PV32
-int compat_set_trap_table(XEN_GUEST_HANDLE(trap_info_compat_t) traps)
+int cf_check compat_set_trap_table(XEN_GUEST_HANDLE(trap_info_compat_t) traps)
{
struct vcpu *curr = current;
struct compat_trap_info cur;
@@ -438,7 +437,7 @@ int
compat_set_trap_table(XEN_GUEST_HANDLE(trap_info_compat_t) traps)
}
#endif
-long do_nmi_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
+long cf_check do_nmi_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
struct xennmi_callback cb;
long rc = 0;
@@ -464,7 +463,7 @@ long do_nmi_op(unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg)
}
#ifdef CONFIG_PV32
-int compat_nmi_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
+int cf_check compat_nmi_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
struct compat_nmi_callback cb;
int rc = 0;
diff --git a/xen/arch/x86/pv/descriptor-tables.c
b/xen/arch/x86/pv/descriptor-tables.c
index 5e847044009b..653a61d0b518 100644
--- a/xen/arch/x86/pv/descriptor-tables.c
+++ b/xen/arch/x86/pv/descriptor-tables.c
@@ -124,8 +124,8 @@ int pv_set_gdt(struct vcpu *v, const unsigned long frames[],
return -EINVAL;
}
-long do_set_gdt(XEN_GUEST_HANDLE_PARAM(xen_ulong_t) frame_list,
- unsigned int entries)
+long cf_check do_set_gdt(
+ XEN_GUEST_HANDLE_PARAM(xen_ulong_t) frame_list, unsigned int entries)
{
unsigned int nr_frames = DIV_ROUND_UP(entries, 512);
unsigned long frames[16];
@@ -151,8 +151,8 @@ long do_set_gdt(XEN_GUEST_HANDLE_PARAM(xen_ulong_t)
frame_list,
#ifdef CONFIG_PV32
-int compat_set_gdt(XEN_GUEST_HANDLE_PARAM(uint) frame_list,
- unsigned int entries)
+int cf_check compat_set_gdt(
+ XEN_GUEST_HANDLE_PARAM(uint) frame_list, unsigned int entries)
{
struct vcpu *curr = current;
unsigned int i, nr_frames = DIV_ROUND_UP(entries, 512);
@@ -187,8 +187,8 @@ int compat_set_gdt(XEN_GUEST_HANDLE_PARAM(uint) frame_list,
return ret;
}
-int compat_update_descriptor(uint32_t pa_lo, uint32_t pa_hi,
- uint32_t desc_lo, uint32_t desc_hi)
+int cf_check compat_update_descriptor(
+ uint32_t pa_lo, uint32_t pa_hi, uint32_t desc_lo, uint32_t desc_hi)
{
seg_desc_t d;
@@ -299,7 +299,7 @@ int validate_segdesc_page(struct page_info *page)
return i == 512 ? 0 : -EINVAL;
}
-long do_update_descriptor(uint64_t gaddr, seg_desc_t d)
+long cf_check do_update_descriptor(uint64_t gaddr, seg_desc_t d)
{
struct domain *currd = current->domain;
gfn_t gfn = gaddr_to_gfn(gaddr);
diff --git a/xen/arch/x86/pv/iret.c b/xen/arch/x86/pv/iret.c
index 29a2f7cc452b..dd2965d8f08d 100644
--- a/xen/arch/x86/pv/iret.c
+++ b/xen/arch/x86/pv/iret.c
@@ -48,7 +48,7 @@ static void async_exception_cleanup(struct vcpu *curr)
curr->arch.async_exception_state(trap).old_mask;
}
-unsigned long do_iret(void)
+unsigned long cf_check do_iret(void)
{
struct cpu_user_regs *regs = guest_cpu_user_regs();
struct iret_context iret_saved;
@@ -105,7 +105,7 @@ unsigned long do_iret(void)
}
#ifdef CONFIG_PV32
-unsigned int compat_iret(void)
+unsigned int cf_check compat_iret(void)
{
struct cpu_user_regs *regs = guest_cpu_user_regs();
struct vcpu *v = current;
diff --git a/xen/arch/x86/pv/misc-hypercalls.c
b/xen/arch/x86/pv/misc-hypercalls.c
index 5dade2472687..5649aaab4436 100644
--- a/xen/arch/x86/pv/misc-hypercalls.c
+++ b/xen/arch/x86/pv/misc-hypercalls.c
@@ -23,12 +23,12 @@
#include <asm/debugreg.h>
-long do_set_debugreg(int reg, unsigned long value)
+long cf_check do_set_debugreg(int reg, unsigned long value)
{
return set_debugreg(current, reg, value);
}
-unsigned long do_get_debugreg(int reg)
+unsigned long cf_check do_get_debugreg(int reg)
{
unsigned long val;
int res = x86emul_read_dr(reg, &val, NULL);
@@ -36,7 +36,7 @@ unsigned long do_get_debugreg(int reg)
return res == X86EMUL_OKAY ? val : -ENODEV;
}
-long do_fpu_taskswitch(int set)
+long cf_check do_fpu_taskswitch(int set)
{
struct vcpu *v = current;
@@ -171,7 +171,7 @@ long set_debugreg(struct vcpu *v, unsigned int reg,
unsigned long value)
return 0;
}
-long do_stack_switch(unsigned long ss, unsigned long esp)
+long cf_check do_stack_switch(unsigned long ss, unsigned long esp)
{
fixup_guest_stack_selector(current->domain, ss);
current->arch.pv.kernel_ss = ss;
@@ -180,7 +180,7 @@ long do_stack_switch(unsigned long ss, unsigned long esp)
return 0;
}
-long do_set_segment_base(unsigned int which, unsigned long base)
+long cf_check do_set_segment_base(unsigned int which, unsigned long base)
{
struct vcpu *v = current;
long ret = 0;
diff --git a/xen/arch/x86/pv/shim.c b/xen/arch/x86/pv/shim.c
index 7e891fe2f7a4..4c710ad8913f 100644
--- a/xen/arch/x86/pv/shim.c
+++ b/xen/arch/x86/pv/shim.c
@@ -824,8 +824,8 @@ long pv_shim_grant_table_op(unsigned int cmd,
#ifndef CONFIG_GRANT_TABLE
/* Thin wrapper(s) needed. */
-long do_grant_table_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) uop,
- unsigned int count)
+long cf_check do_grant_table_op(
+ unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) uop, unsigned int count)
{
if ( !pv_shim )
return -ENOSYS;
@@ -834,8 +834,8 @@ long do_grant_table_op(unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) uop,
}
#ifdef CONFIG_PV32
-int compat_grant_table_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) uop,
- unsigned int count)
+int cf_check compat_grant_table_op(
+ unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) uop, unsigned int count)
{
if ( !pv_shim )
return -ENOSYS;
diff --git a/xen/arch/x86/x86_64/compat/mm.c b/xen/arch/x86/x86_64/compat/mm.c
index 215e96aba032..b3da8fafbb0c 100644
--- a/xen/arch/x86/x86_64/compat/mm.c
+++ b/xen/arch/x86/x86_64/compat/mm.c
@@ -176,10 +176,9 @@ int compat_arch_memory_op(unsigned long cmd,
XEN_GUEST_HANDLE_PARAM(void) arg)
#ifdef CONFIG_PV
DEFINE_XEN_GUEST_HANDLE(mmuext_op_compat_t);
-int compat_mmuext_op(XEN_GUEST_HANDLE_PARAM(void) arg,
- unsigned int count,
- XEN_GUEST_HANDLE_PARAM(uint) pdone,
- unsigned int foreigndom)
+int cf_check compat_mmuext_op(
+ XEN_GUEST_HANDLE_PARAM(void) arg, unsigned int count,
+ XEN_GUEST_HANDLE_PARAM(uint) pdone, unsigned int foreigndom)
{
unsigned int i, preempt_mask;
int rc = 0;
diff --git a/xen/common/argo.c b/xen/common/argo.c
index eaea7ba8885a..1448faf65731 100644
--- a/xen/common/argo.c
+++ b/xen/common/argo.c
@@ -2069,7 +2069,7 @@ sendv(struct domain *src_d, xen_argo_addr_t *src_addr,
return ( ret < 0 ) ? ret : len;
}
-long
+long cf_check
do_argo_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg1,
XEN_GUEST_HANDLE_PARAM(void) arg2, unsigned long raw_arg3,
unsigned long raw_arg4)
@@ -2207,7 +2207,7 @@ do_argo_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void)
arg1,
}
#ifdef CONFIG_COMPAT
-long
+long cf_check
compat_argo_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) arg1,
XEN_GUEST_HANDLE_PARAM(void) arg2, unsigned long arg3,
unsigned long arg4)
diff --git a/xen/common/compat/domain.c b/xen/common/compat/domain.c
index 98b8c15cea7f..afae27eeba02 100644
--- a/xen/common/compat/domain.c
+++ b/xen/common/compat/domain.c
@@ -38,7 +38,8 @@ CHECK_vcpu_hvm_context;
#endif
-int compat_vcpu_op(int cmd, unsigned int vcpuid, XEN_GUEST_HANDLE_PARAM(void)
arg)
+int cf_check compat_vcpu_op(
+ int cmd, unsigned int vcpuid, XEN_GUEST_HANDLE_PARAM(void) arg)
{
struct domain *d = current->domain;
struct vcpu *v;
diff --git a/xen/common/compat/grant_table.c b/xen/common/compat/grant_table.c
index ff1d678f01c7..c6199e89188d 100644
--- a/xen/common/compat/grant_table.c
+++ b/xen/common/compat/grant_table.c
@@ -55,9 +55,8 @@ CHECK_gnttab_swap_grant_ref;
CHECK_gnttab_cache_flush;
#undef xen_gnttab_cache_flush
-int compat_grant_table_op(unsigned int cmd,
- XEN_GUEST_HANDLE_PARAM(void) cmp_uop,
- unsigned int count)
+int cf_check compat_grant_table_op(
+ unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) cmp_uop, unsigned int count)
{
int rc = 0;
unsigned int i, cmd_op;
diff --git a/xen/common/compat/kernel.c b/xen/common/compat/kernel.c
index 804b919bdc72..8e8c413bf1d0 100644
--- a/xen/common/compat/kernel.c
+++ b/xen/common/compat/kernel.c
@@ -37,7 +37,7 @@ CHECK_TYPE(capabilities_info);
CHECK_TYPE(domain_handle);
-#define DO(fn) int compat_##fn
+#define DO(fn) int cf_check compat_##fn
#define COMPAT
#include "../kernel.c"
diff --git a/xen/common/compat/memory.c b/xen/common/compat/memory.c
index c43fa97cf15f..ec8ba54bb66e 100644
--- a/xen/common/compat/memory.c
+++ b/xen/common/compat/memory.c
@@ -53,7 +53,8 @@ static int get_reserved_device_memory(xen_pfn_t start,
xen_ulong_t nr,
}
#endif
-int compat_memory_op(unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) compat)
+int cf_check compat_memory_op(
+ unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) compat)
{
struct vcpu *curr = current;
struct domain *currd = curr->domain;
diff --git a/xen/common/dm.c b/xen/common/dm.c
index 2d1d98ca583e..fcb3a1aa0557 100644
--- a/xen/common/dm.c
+++ b/xen/common/dm.c
@@ -19,9 +19,9 @@
#include <xen/hypercall.h>
#include <xen/nospec.h>
-long do_dm_op(domid_t domid,
- unsigned int nr_bufs,
- XEN_GUEST_HANDLE_PARAM(xen_dm_op_buf_t) bufs)
+long cf_check do_dm_op(
+ domid_t domid, unsigned int nr_bufs,
+ XEN_GUEST_HANDLE_PARAM(xen_dm_op_buf_t) bufs)
{
struct dmop_args args;
int rc;
diff --git a/xen/common/domain.c b/xen/common/domain.c
index 571ef4fe615e..e58c0bd4ddc4 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -1603,7 +1603,8 @@ int default_initialise_vcpu(struct vcpu *v,
XEN_GUEST_HANDLE_PARAM(void) arg)
return rc;
}
-long do_vcpu_op(int cmd, unsigned int vcpuid, XEN_GUEST_HANDLE_PARAM(void) arg)
+long cf_check do_vcpu_op(
+ int cmd, unsigned int vcpuid, XEN_GUEST_HANDLE_PARAM(void) arg)
{
struct domain *d = current->domain;
struct vcpu *v;
@@ -1790,7 +1791,7 @@ long do_vcpu_op(int cmd, unsigned int vcpuid,
XEN_GUEST_HANDLE_PARAM(void) arg)
}
#ifdef arch_vm_assist_valid_mask
-long do_vm_assist(unsigned int cmd, unsigned int type)
+long cf_check do_vm_assist(unsigned int cmd, unsigned int type)
{
struct domain *currd = current->domain;
const unsigned long valid = arch_vm_assist_valid_mask(currd);
diff --git a/xen/common/domctl.c b/xen/common/domctl.c
index 879a2adcbeb0..9606fa4f1aed 100644
--- a/xen/common/domctl.c
+++ b/xen/common/domctl.c
@@ -274,7 +274,7 @@ static struct vnuma_info *vnuma_init(const struct
xen_domctl_vnuma *uinfo,
return ERR_PTR(ret);
}
-long do_domctl(XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl)
+long cf_check do_domctl(XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl)
{
long ret = 0;
bool_t copyback = 0;
diff --git a/xen/common/event_channel.c b/xen/common/event_channel.c
index c9912122d1e5..a5ee8b8ebf76 100644
--- a/xen/common/event_channel.c
+++ b/xen/common/event_channel.c
@@ -1189,7 +1189,7 @@ static int evtchn_set_priority(const struct
evtchn_set_priority *set_priority)
return ret;
}
-long do_event_channel_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
+long cf_check do_event_channel_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
int rc;
diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c
index 925ed7d6bee2..153332b7bfbe 100644
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -3558,7 +3558,7 @@
gnttab_cache_flush(XEN_GUEST_HANDLE_PARAM(gnttab_cache_flush_t) uop,
return 0;
}
-long
+long cf_check
do_grant_table_op(
unsigned int cmd, XEN_GUEST_HANDLE_PARAM(void) uop, unsigned int count)
{
diff --git a/xen/common/hypfs.c b/xen/common/hypfs.c
index e71f7df47958..1526bcc52810 100644
--- a/xen/common/hypfs.c
+++ b/xen/common/hypfs.c
@@ -671,9 +671,9 @@ static int hypfs_write(struct hypfs_entry *entry,
return entry->funcs->write(l, uaddr, ulen);
}
-long do_hypfs_op(unsigned int cmd,
- XEN_GUEST_HANDLE_PARAM(const_char) arg1, unsigned long arg2,
- XEN_GUEST_HANDLE_PARAM(void) arg3, unsigned long arg4)
+long cf_check do_hypfs_op(
+ unsigned int cmd, XEN_GUEST_HANDLE_PARAM(const_char) arg1,
+ unsigned long arg2, XEN_GUEST_HANDLE_PARAM(void) arg3, unsigned long arg4)
{
int ret;
struct hypfs_entry *entry;
diff --git a/xen/common/kernel.c b/xen/common/kernel.c
index e119e5401f9d..752c2e0dae44 100644
--- a/xen/common/kernel.c
+++ b/xen/common/kernel.c
@@ -451,7 +451,7 @@ static int __init param_init(void)
__initcall(param_init);
#endif
-# define DO(fn) long do_##fn
+# define DO(fn) long cf_check do_##fn
#endif
diff --git a/xen/common/kexec.c b/xen/common/kexec.c
index c63db618a707..8471590aeea2 100644
--- a/xen/common/kexec.c
+++ b/xen/common/kexec.c
@@ -1265,13 +1265,13 @@ static int do_kexec_op_internal(unsigned long op,
return ret;
}
-long do_kexec_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void) uarg)
+long cf_check do_kexec_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void) uarg)
{
return do_kexec_op_internal(op, uarg, 0);
}
#ifdef CONFIG_COMPAT
-int compat_kexec_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void) uarg)
+int cf_check compat_kexec_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void)
uarg)
{
return do_kexec_op_internal(op, uarg, 1);
}
diff --git a/xen/common/memory.c b/xen/common/memory.c
index 0d7c413df820..38732dde6fd7 100644
--- a/xen/common/memory.c
+++ b/xen/common/memory.c
@@ -1367,7 +1367,7 @@ static int acquire_resource(
return rc;
}
-long do_memory_op(unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
+long cf_check do_memory_op(unsigned long cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
struct domain *d, *curr_d = current->domain;
long rc;
diff --git a/xen/common/multicall.c b/xen/common/multicall.c
index 794638392b40..e48f46dbe011 100644
--- a/xen/common/multicall.c
+++ b/xen/common/multicall.c
@@ -32,7 +32,7 @@ static void trace_multicall_call(multicall_entry_t *call)
__trace_multicall_call(call);
}
-ret_t
+ret_t cf_check
do_multicall(
XEN_GUEST_HANDLE_PARAM(multicall_entry_t) call_list, uint32_t nr_calls)
{
diff --git a/xen/common/sched/compat.c b/xen/common/sched/compat.c
index 040b4caca2c4..66ba0fe88f2e 100644
--- a/xen/common/sched/compat.c
+++ b/xen/common/sched/compat.c
@@ -39,7 +39,7 @@ static int compat_poll(struct compat_sched_poll *compat)
#include "core.c"
-int compat_set_timer_op(u32 lo, s32 hi)
+int cf_check compat_set_timer_op(u32 lo, s32 hi)
{
return do_set_timer_op(((s64)hi << 32) | lo);
}
diff --git a/xen/common/sched/core.c b/xen/common/sched/core.c
index 8f4b1ca10d1c..0f527024ba2e 100644
--- a/xen/common/sched/core.c
+++ b/xen/common/sched/core.c
@@ -1862,7 +1862,7 @@ typedef long ret_t;
#endif /* !COMPAT */
-ret_t do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
+ret_t cf_check do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg)
{
ret_t ret = 0;
@@ -1999,7 +1999,7 @@ ret_t do_sched_op(int cmd, XEN_GUEST_HANDLE_PARAM(void)
arg)
#ifndef COMPAT
/* Per-vcpu oneshot-timer hypercall. */
-long do_set_timer_op(s_time_t timeout)
+long cf_check do_set_timer_op(s_time_t timeout)
{
struct vcpu *v = current;
s_time_t offset = timeout - NOW();
diff --git a/xen/common/sysctl.c b/xen/common/sysctl.c
index 1ad3c29351db..fc4a0b31d6f0 100644
--- a/xen/common/sysctl.c
+++ b/xen/common/sysctl.c
@@ -29,7 +29,7 @@
#include <xen/livepatch.h>
#include <xen/coverage.h>
-long do_sysctl(XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl)
+long cf_check do_sysctl(XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl)
{
long ret = 0;
int copyback = -1;
diff --git a/xen/common/xenoprof.c b/xen/common/xenoprof.c
index 1926a92fe481..af617f1d0b83 100644
--- a/xen/common/xenoprof.c
+++ b/xen/common/xenoprof.c
@@ -721,7 +721,7 @@ static int
xenoprof_op_get_buffer(XEN_GUEST_HANDLE_PARAM(void) arg)
|| (op == XENOPROF_disable_virq) \
|| (op == XENOPROF_get_buffer))
-ret_t do_xenoprof_op(int op, XEN_GUEST_HANDLE_PARAM(void) arg)
+ret_t cf_check do_xenoprof_op(int op, XEN_GUEST_HANDLE_PARAM(void) arg)
{
int ret = 0;
diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 7d0a603d0311..a043e9521afd 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -675,8 +675,8 @@ static long
guest_console_write(XEN_GUEST_HANDLE_PARAM(char) buffer,
return 0;
}
-long do_console_io(unsigned int cmd, unsigned int count,
- XEN_GUEST_HANDLE_PARAM(char) buffer)
+long cf_check do_console_io(
+ unsigned int cmd, unsigned int count, XEN_GUEST_HANDLE_PARAM(char) buffer)
{
long rc;
unsigned int idx, len;
diff --git a/xen/include/xen/hypercall.h b/xen/include/xen/hypercall.h
index 07b10ec2303b..4dfd64cf716c 100644
--- a/xen/include/xen/hypercall.h
+++ b/xen/include/xen/hypercall.h
@@ -18,12 +18,12 @@
#include <asm/hypercall.h>
#include <xsm/xsm.h>
-extern long
+extern long cf_check
do_sched_op(
int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_domctl(
XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl);
@@ -32,7 +32,7 @@ arch_do_domctl(
struct xen_domctl *domctl, struct domain *d,
XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl);
-extern long
+extern long cf_check
do_sysctl(
XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl);
@@ -41,7 +41,7 @@ arch_do_sysctl(
struct xen_sysctl *sysctl,
XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl);
-extern long
+extern long cf_check
do_platform_op(
XEN_GUEST_HANDLE_PARAM(xen_platform_op_t) u_xenpf_op);
@@ -62,47 +62,47 @@ pci_physdev_op(
#define MEMOP_EXTENT_SHIFT 6 /* cmd[:6] == start_extent */
#define MEMOP_CMD_MASK ((1 << MEMOP_EXTENT_SHIFT) - 1)
-extern long
+extern long cf_check
do_memory_op(
unsigned long cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_multicall(
XEN_GUEST_HANDLE_PARAM(multicall_entry_t) call_list,
unsigned int nr_calls);
-extern long
+extern long cf_check
do_set_timer_op(
s_time_t timeout);
-extern long
+extern long cf_check
do_event_channel_op(
int cmd, XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_xen_version(
int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_console_io(
unsigned int cmd,
unsigned int count,
XEN_GUEST_HANDLE_PARAM(char) buffer);
-extern long
+extern long cf_check
do_grant_table_op(
unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) uop,
unsigned int count);
-extern long
+extern long cf_check
do_vm_assist(
unsigned int cmd,
unsigned int type);
-extern long
+extern long cf_check
do_vcpu_op(
int cmd,
unsigned int vcpuid,
@@ -114,27 +114,27 @@ arch_do_vcpu_op(int cmd,
struct vcpu *v,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_nmi_op(
unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_hvm_op(
unsigned long op,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_kexec_op(
unsigned long op,
XEN_GUEST_HANDLE_PARAM(void) uarg);
-extern long
+extern long cf_check
do_xsm_op(
XEN_GUEST_HANDLE_PARAM(void) u_xsm_op);
#ifdef CONFIG_ARGO
-extern long do_argo_op(
+extern long cf_check do_argo_op(
unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg1,
XEN_GUEST_HANDLE_PARAM(void) arg2,
@@ -142,20 +142,20 @@ extern long do_argo_op(
unsigned long arg4);
#endif
-extern long
+extern long cf_check
do_xenoprof_op(int op, XEN_GUEST_HANDLE_PARAM(void) arg);
-extern long
+extern long cf_check
do_xenpmu_op(unsigned int op, XEN_GUEST_HANDLE_PARAM(xen_pmu_params_t) arg);
-extern long
+extern long cf_check
do_dm_op(
domid_t domid,
unsigned int nr_bufs,
XEN_GUEST_HANDLE_PARAM(xen_dm_op_buf_t) bufs);
#ifdef CONFIG_HYPFS
-extern long
+extern long cf_check
do_hypfs_op(
unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(const_char) arg1,
@@ -166,53 +166,54 @@ do_hypfs_op(
#ifdef CONFIG_COMPAT
-extern int
+extern int cf_check
compat_memory_op(
unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern int
+extern int cf_check
compat_grant_table_op(
unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) uop,
unsigned int count);
-extern int
+extern int cf_check
compat_vcpu_op(
int cmd,
unsigned int vcpuid,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern int
+extern int cf_check
compat_xenoprof_op(int op, XEN_GUEST_HANDLE_PARAM(void) arg);
-extern int
+extern int cf_check
compat_xen_version(
int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern int
+extern int cf_check
compat_sched_op(
int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg);
-extern int
+extern int cf_check
compat_set_timer_op(
u32 lo,
s32 hi);
-extern int compat_xsm_op(
+extern int cf_check compat_xsm_op(
XEN_GUEST_HANDLE_PARAM(void) op);
-extern int compat_kexec_op(unsigned long op, XEN_GUEST_HANDLE_PARAM(void)
uarg);
+extern int cf_check compat_kexec_op(
+ unsigned long op, XEN_GUEST_HANDLE_PARAM(void) uarg);
DEFINE_XEN_GUEST_HANDLE(multicall_entry_compat_t);
-extern int compat_multicall(
+extern int cf_check compat_multicall(
XEN_GUEST_HANDLE_PARAM(multicall_entry_compat_t) call_list,
uint32_t nr_calls);
#ifdef CONFIG_ARGO
-extern long compat_argo_op(
+extern long cf_check compat_argo_op(
unsigned int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg1,
XEN_GUEST_HANDLE_PARAM(void) arg2,
@@ -220,7 +221,7 @@ extern long compat_argo_op(
unsigned long arg4);
#endif
-extern int
+extern int cf_check
compat_dm_op(
domid_t domid,
unsigned int nr_bufs,
diff --git a/xen/xsm/xsm_core.c b/xen/xsm/xsm_core.c
index 14d98f1f725f..5fc3a5f75478 100644
--- a/xen/xsm/xsm_core.c
+++ b/xen/xsm/xsm_core.c
@@ -219,13 +219,13 @@ bool __init has_xsm_magic(paddr_t start)
#endif
-long do_xsm_op(XEN_GUEST_HANDLE_PARAM(void) op)
+long cf_check do_xsm_op(XEN_GUEST_HANDLE_PARAM(void) op)
{
return xsm_do_xsm_op(op);
}
#ifdef CONFIG_COMPAT
-int compat_xsm_op(XEN_GUEST_HANDLE_PARAM(void) op)
+int cf_check compat_xsm_op(XEN_GUEST_HANDLE_PARAM(void) op)
{
return xsm_do_compat_op(op);
}
--
2.11.0
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