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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen staging] xen: CFI hardening for __initcall()
commit 7629460eeb8487de8a13fefe6b73716cc0cdeafe
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Oct 28 10:24:13 2021 +0100
Commit: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Wed Feb 23 15:33:43 2022 +0000
xen: CFI hardening for __initcall()
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/acpi/cpu_idle.c | 4 ++--
xen/arch/x86/acpi/cpufreq/cpufreq.c | 2 +-
xen/arch/x86/cpu/mcheck/non-fatal.c | 2 +-
xen/arch/x86/cpu/microcode/core.c | 2 +-
xen/arch/x86/cpu/mtrr/main.c | 2 +-
xen/arch/x86/cpu/vpmu.c | 2 +-
xen/arch/x86/domain.c | 2 +-
xen/arch/x86/extable.c | 2 +-
xen/arch/x86/hvm/hvm.c | 4 ++--
xen/arch/x86/hvm/irq.c | 2 +-
xen/arch/x86/hvm/mtrr.c | 2 +-
xen/arch/x86/hvm/nestedhvm.c | 3 +--
xen/arch/x86/hvm/quirks.c | 2 +-
xen/arch/x86/include/asm/hvm/save.h | 2 +-
xen/arch/x86/ioport_emulate.c | 4 ++--
xen/arch/x86/irq.c | 4 ++--
xen/arch/x86/mm/shadow/common.c | 4 ++--
xen/arch/x86/msi.c | 2 +-
xen/arch/x86/nmi.c | 2 +-
xen/arch/x86/numa.c | 2 +-
xen/arch/x86/oprofile/nmi_int.c | 2 +-
xen/arch/x86/percpu.c | 2 +-
xen/arch/x86/psr.c | 2 +-
xen/arch/x86/pv/domain.c | 2 +-
xen/arch/x86/shutdown.c | 2 +-
xen/arch/x86/time.c | 8 ++++----
xen/common/core_parking.c | 2 +-
xen/common/debugtrace.c | 2 +-
xen/common/event_channel.c | 2 +-
xen/common/gdbstub.c | 2 +-
xen/common/grant_table.c | 2 +-
xen/common/kernel.c | 4 ++--
xen/common/kexec.c | 2 +-
xen/common/livepatch.c | 2 +-
xen/common/page_alloc.c | 4 ++--
xen/common/radix-tree.c | 2 +-
xen/common/random.c | 2 +-
xen/common/sched/cpupool.c | 2 +-
xen/common/spinlock.c | 2 +-
xen/common/stop_machine.c | 2 +-
xen/drivers/cpufreq/cpufreq.c | 2 +-
xen/drivers/cpufreq/cpufreq_misc_governors.c | 6 +++---
xen/drivers/cpufreq/cpufreq_ondemand.c | 2 +-
xen/drivers/passthrough/amd/iommu.h | 2 +-
xen/drivers/passthrough/amd/iommu_init.c | 2 +-
xen/drivers/passthrough/pci.c | 2 +-
xen/drivers/passthrough/vtd/iommu.c | 2 +-
xen/drivers/passthrough/x86/hvm.c | 2 +-
48 files changed, 60 insertions(+), 61 deletions(-)
diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c
index 5d73eb5917..7902ccce6b 100644
--- a/xen/arch/x86/acpi/cpu_idle.c
+++ b/xen/arch/x86/acpi/cpu_idle.c
@@ -410,7 +410,7 @@ static void dump_cx(unsigned char key)
}
}
-static int __init cpu_idle_key_init(void)
+static int __init cf_check cpu_idle_key_init(void)
{
register_keyhandler('c', dump_cx, "dump ACPI Cx structures", 1);
return 0;
@@ -1655,7 +1655,7 @@ static struct notifier_block cpu_nfb = {
.notifier_call = cpu_callback
};
-static int __init cpuidle_presmp_init(void)
+static int __init cf_check cpuidle_presmp_init(void)
{
void *cpu = (void *)(long)smp_processor_id();
diff --git a/xen/arch/x86/acpi/cpufreq/cpufreq.c
b/xen/arch/x86/acpi/cpufreq/cpufreq.c
index 029c9398c4..9510f05340 100644
--- a/xen/arch/x86/acpi/cpufreq/cpufreq.c
+++ b/xen/arch/x86/acpi/cpufreq/cpufreq.c
@@ -630,7 +630,7 @@ static const struct cpufreq_driver __initconstrel
acpi_cpufreq_driver = {
.exit = acpi_cpufreq_cpu_exit,
};
-static int __init cpufreq_driver_init(void)
+static int __init cf_check cpufreq_driver_init(void)
{
int ret = 0;
diff --git a/xen/arch/x86/cpu/mcheck/non-fatal.c
b/xen/arch/x86/cpu/mcheck/non-fatal.c
index ec52d37c96..2679c220a8 100644
--- a/xen/arch/x86/cpu/mcheck/non-fatal.c
+++ b/xen/arch/x86/cpu/mcheck/non-fatal.c
@@ -86,7 +86,7 @@ static void mce_work_fn(void *data)
adjust = 0;
}
-static int __init init_nonfatal_mce_checker(void)
+static int __init cf_check init_nonfatal_mce_checker(void)
{
struct cpuinfo_x86 *c = &boot_cpu_data;
diff --git a/xen/arch/x86/cpu/microcode/core.c
b/xen/arch/x86/cpu/microcode/core.c
index 95d35ca0f3..46f55fe7f1 100644
--- a/xen/arch/x86/cpu/microcode/core.c
+++ b/xen/arch/x86/cpu/microcode/core.c
@@ -696,7 +696,7 @@ int microcode_update(XEN_GUEST_HANDLE(const_void) buf,
unsigned long len)
microcode_update_helper, buffer);
}
-static int __init microcode_init(void)
+static int __init cf_check microcode_init(void)
{
/*
* At this point, all CPUs should have updated their microcode
diff --git a/xen/arch/x86/cpu/mtrr/main.c b/xen/arch/x86/cpu/mtrr/main.c
index e9df53f00d..428133100d 100644
--- a/xen/arch/x86/cpu/mtrr/main.c
+++ b/xen/arch/x86/cpu/mtrr/main.c
@@ -632,7 +632,7 @@ void mtrr_bp_restore(void)
mtrr_if->set_all();
}
-static int __init mtrr_init_finialize(void)
+static int __init cf_check mtrr_init_finialize(void)
{
if (!mtrr_if)
return 0;
diff --git a/xen/arch/x86/cpu/vpmu.c b/xen/arch/x86/cpu/vpmu.c
index b10d6e2eb4..9fc897dc84 100644
--- a/xen/arch/x86/cpu/vpmu.c
+++ b/xen/arch/x86/cpu/vpmu.c
@@ -844,7 +844,7 @@ static struct notifier_block cpu_nfb = {
.notifier_call = cpu_callback
};
-static int __init vpmu_init(void)
+static int __init cf_check vpmu_init(void)
{
int vendor = current_cpu_data.x86_vendor;
const struct arch_vpmu_ops *ops = NULL;
diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index 9835f90ea0..36748f67da 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -2533,7 +2533,7 @@ static void vcpu_kick_softirq(void)
*/
}
-static int __init init_vcpu_kick_softirq(void)
+static int __init cf_check init_vcpu_kick_softirq(void)
{
open_softirq(VCPU_KICK_SOFTIRQ, vcpu_kick_softirq);
return 0;
diff --git a/xen/arch/x86/extable.c b/xen/arch/x86/extable.c
index 78d6727225..51ef863d78 100644
--- a/xen/arch/x86/extable.c
+++ b/xen/arch/x86/extable.c
@@ -126,7 +126,7 @@ search_exception_table(const struct cpu_user_regs *regs)
#ifndef NDEBUG
#include <asm/traps.h>
-static int __init stub_selftest(void)
+static int __init cf_check stub_selftest(void)
{
static const struct {
uint8_t opc[4];
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 4e685c1b0c..2ae1685d0a 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -164,7 +164,7 @@ static bool __init hap_supported(struct hvm_function_table
*fns)
return true;
}
-static int __init hvm_enable(void)
+static int __init cf_check hvm_enable(void)
{
const struct hvm_function_table *fns = NULL;
@@ -1506,7 +1506,7 @@ static int hvm_load_cpu_msrs(struct domain *d,
hvm_domain_context_t *h)
/* We need variable length data chunks for XSAVE area and MSRs, hence
* a custom declaration rather than HVM_REGISTER_SAVE_RESTORE.
*/
-static int __init hvm_register_CPU_save_and_restore(void)
+static int __init cf_check hvm_register_CPU_save_and_restore(void)
{
hvm_register_savevm(CPU_XSAVE_CODE,
"CPU_XSAVE",
diff --git a/xen/arch/x86/hvm/irq.c b/xen/arch/x86/hvm/irq.c
index 52aae4565f..6045c9149b 100644
--- a/xen/arch/x86/hvm/irq.c
+++ b/xen/arch/x86/hvm/irq.c
@@ -650,7 +650,7 @@ static void dump_irq_info(unsigned char key)
rcu_read_unlock(&domlist_read_lock);
}
-static int __init dump_irq_info_key_init(void)
+static int __init cf_check dump_irq_info_key_init(void)
{
register_keyhandler('I', dump_irq_info, "dump HVM irq info", 1);
return 0;
diff --git a/xen/arch/x86/hvm/mtrr.c b/xen/arch/x86/hvm/mtrr.c
index 4a9f3177ed..b3ef1bf541 100644
--- a/xen/arch/x86/hvm/mtrr.c
+++ b/xen/arch/x86/hvm/mtrr.c
@@ -75,7 +75,7 @@ static uint8_t __read_mostly
mtrr_epat_tbl[MTRR_NUM_TYPES][MEMORY_NUM_TYPES] =
static uint8_t __read_mostly pat_entry_tbl[PAT_TYPE_NUMS] =
{ [0 ... PAT_TYPE_NUMS-1] = INVALID_MEM_TYPE };
-static int __init hvm_mtrr_pat_init(void)
+static int __init cf_check hvm_mtrr_pat_init(void)
{
unsigned int i, j;
diff --git a/xen/arch/x86/hvm/nestedhvm.c b/xen/arch/x86/hvm/nestedhvm.c
index 5021da667a..2351688448 100644
--- a/xen/arch/x86/hvm/nestedhvm.c
+++ b/xen/arch/x86/hvm/nestedhvm.c
@@ -125,8 +125,7 @@ nestedhvm_vmcx_flushtlb(struct p2m_domain *p2m)
* iomap[2] set set
*/
-static int __init
-nestedhvm_setup(void)
+static int __init cf_check nestedhvm_setup(void)
{
/* Same format and size as hvm_io_bitmap (Intel needs only 2 pages). */
unsigned nr = cpu_has_vmx ? 2 : 3;
diff --git a/xen/arch/x86/hvm/quirks.c b/xen/arch/x86/hvm/quirks.c
index 54cc66c382..917356b131 100644
--- a/xen/arch/x86/hvm/quirks.c
+++ b/xen/arch/x86/hvm/quirks.c
@@ -36,7 +36,7 @@ static int __init dmi_hvm_deny_port80(const struct
dmi_system_id *id)
return 0;
}
-static int __init check_port80(void)
+static int __init cf_check check_port80(void)
{
/*
* Quirk table for systems that misbehave (lock up, etc.) if port
diff --git a/xen/arch/x86/include/asm/hvm/save.h
b/xen/arch/x86/include/asm/hvm/save.h
index 4efc535055..e975011ddb 100644
--- a/xen/arch/x86/include/asm/hvm/save.h
+++ b/xen/arch/x86/include/asm/hvm/save.h
@@ -115,7 +115,7 @@ void hvm_register_savevm(uint16_t typecode,
/* Syntactic sugar around that function: specify the max number of
* saves, and this calculates the size of buffer needed */
#define HVM_REGISTER_SAVE_RESTORE(_x, _save, _load, _num, _k) \
-static int __init __hvm_register_##_x##_save_and_restore(void) \
+static int __init cf_check __hvm_register_##_x##_save_and_restore(void) \
{ \
hvm_register_savevm(HVM_SAVE_CODE(_x), \
#_x, \
diff --git a/xen/arch/x86/ioport_emulate.c b/xen/arch/x86/ioport_emulate.c
index cf1f3f9229..6caeb3d470 100644
--- a/xen/arch/x86/ioport_emulate.c
+++ b/xen/arch/x86/ioport_emulate.c
@@ -11,7 +11,7 @@
unsigned int (*__read_mostly ioemul_handle_quirk)(
uint8_t opcode, char *io_emul_stub, struct cpu_user_regs *regs);
-static unsigned int ioemul_handle_proliant_quirk(
+static unsigned int cf_check ioemul_handle_proliant_quirk(
u8 opcode, char *io_emul_stub, struct cpu_user_regs *regs)
{
static const char stub[] = {
@@ -100,7 +100,7 @@ static const struct dmi_system_id __initconstrel
ioport_quirks_tbl[] = {
{ }
};
-static int __init ioport_quirks_init(void)
+static int __init cf_check ioport_quirks_init(void)
{
if ( dmi_check_system(ioport_quirks_tbl) )
ioemul_handle_quirk = ioemul_handle_proliant_quirk;
diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c
index 84b174d0f5..bcf46cd54d 100644
--- a/xen/arch/x86/irq.c
+++ b/xen/arch/x86/irq.c
@@ -954,7 +954,7 @@ static void irq_ratelimit_timer_fn(void *data)
spin_unlock_irqrestore(&irq_ratelimit_lock, flags);
}
-static int __init irq_ratelimit_init(void)
+static int __init cf_check irq_ratelimit_init(void)
{
if ( irq_ratelimit_threshold )
init_timer(&irq_ratelimit_timer, irq_ratelimit_timer_fn, NULL, 0);
@@ -2504,7 +2504,7 @@ static void dump_irqs(unsigned char key)
dump_ioapic_irq_info();
}
-static int __init setup_dump_irqs(void)
+static int __init cf_check setup_dump_irqs(void)
{
/* In lieu of being able to live in init_irq_data(). */
BUILD_BUG_ON(sizeof(irq_max_guests) >
diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c
index 6221630fc2..b8730a9441 100644
--- a/xen/arch/x86/mm/shadow/common.c
+++ b/xen/arch/x86/mm/shadow/common.c
@@ -105,7 +105,7 @@ static void shadow_audit_key(unsigned char key)
__func__, shadow_audit_enable);
}
-static int __init shadow_audit_key_init(void)
+static int __init cf_check shadow_audit_key_init(void)
{
register_keyhandler('O', shadow_audit_key, "toggle shadow audits", 0);
return 0;
@@ -1057,7 +1057,7 @@ static void shadow_blow_all_tables(unsigned char c)
}
/* Register this function in the Xen console keypress table */
-static __init int shadow_blow_tables_keyhandler_init(void)
+static int __init cf_check shadow_blow_tables_keyhandler_init(void)
{
register_keyhandler('S', shadow_blow_all_tables, "reset shadow
pagetables", 1);
return 0;
diff --git a/xen/arch/x86/msi.c b/xen/arch/x86/msi.c
index 5febc0ea4b..d1497254b1 100644
--- a/xen/arch/x86/msi.c
+++ b/xen/arch/x86/msi.c
@@ -1485,7 +1485,7 @@ static void dump_msi(unsigned char key)
vpci_dump_msi();
}
-static int __init msi_setup_keyhandler(void)
+static int __init cf_check msi_setup_keyhandler(void)
{
register_keyhandler('M', dump_msi, "dump MSI state", 1);
return 0;
diff --git a/xen/arch/x86/nmi.c b/xen/arch/x86/nmi.c
index 515a3633e5..b112921b39 100644
--- a/xen/arch/x86/nmi.c
+++ b/xen/arch/x86/nmi.c
@@ -605,7 +605,7 @@ static void do_nmi_stats(unsigned char key)
printk("%pv: NMI neither pending nor masked\n", v);
}
-static __init int register_nmi_trigger(void)
+static int __init cf_check register_nmi_trigger(void)
{
register_keyhandler('N', do_nmi_trigger, "trigger an NMI", 0);
register_keyhandler('n', do_nmi_stats, "NMI statistics", 1);
diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c
index 6be5a0c933..5de9db4e99 100644
--- a/xen/arch/x86/numa.c
+++ b/xen/arch/x86/numa.c
@@ -504,7 +504,7 @@ static void dump_numa(unsigned char key)
rcu_read_unlock(&domlist_read_lock);
}
-static __init int register_numa_trigger(void)
+static int __init cf_check register_numa_trigger(void)
{
register_keyhandler('u', dump_numa, "dump NUMA info", 1);
return 0;
diff --git a/xen/arch/x86/oprofile/nmi_int.c b/xen/arch/x86/oprofile/nmi_int.c
index 7842d95b95..ba9c4b9804 100644
--- a/xen/arch/x86/oprofile/nmi_int.c
+++ b/xen/arch/x86/oprofile/nmi_int.c
@@ -388,7 +388,7 @@ static int __init arch_perfmon_init(char **cpu_type)
return 1;
}
-static int __init nmi_init(void)
+static int __init cf_check nmi_init(void)
{
__u8 vendor = current_cpu_data.x86_vendor;
__u8 family = current_cpu_data.x86;
diff --git a/xen/arch/x86/percpu.c b/xen/arch/x86/percpu.c
index 5ea14b6ec3..0e0b6577ca 100644
--- a/xen/arch/x86/percpu.c
+++ b/xen/arch/x86/percpu.c
@@ -94,7 +94,7 @@ static struct notifier_block cpu_percpu_nfb = {
.priority = 100 /* highest priority */
};
-static int __init percpu_presmp_init(void)
+static int __init cf_check percpu_presmp_init(void)
{
register_cpu_notifier(&cpu_percpu_nfb);
diff --git a/xen/arch/x86/psr.c b/xen/arch/x86/psr.c
index 56916344cb..9a3670afc3 100644
--- a/xen/arch/x86/psr.c
+++ b/xen/arch/x86/psr.c
@@ -1675,7 +1675,7 @@ static struct notifier_block cpu_nfb = {
.priority = -1
};
-static int __init psr_presmp_init(void)
+static int __init cf_check psr_presmp_init(void)
{
if ( (opt_psr & PSR_CMT) && opt_rmid_max )
init_psr_cmt(opt_rmid_max);
diff --git a/xen/arch/x86/pv/domain.c b/xen/arch/x86/pv/domain.c
index 125c4561a7..55146c15c8 100644
--- a/xen/arch/x86/pv/domain.c
+++ b/xen/arch/x86/pv/domain.c
@@ -167,7 +167,7 @@ unsigned long pv_fixup_guest_cr4(const struct vcpu *v,
unsigned long cr4)
static int8_t __read_mostly opt_global_pages = -1;
boolean_runtime_param("global-pages", opt_global_pages);
-static int __init pge_init(void)
+static int __init cf_check pge_init(void)
{
if ( opt_global_pages == -1 )
opt_global_pages = !cpu_has_hypervisor ||
diff --git a/xen/arch/x86/shutdown.c b/xen/arch/x86/shutdown.c
index a01354d933..ad3e3a7691 100644
--- a/xen/arch/x86/shutdown.c
+++ b/xen/arch/x86/shutdown.c
@@ -533,7 +533,7 @@ static const struct dmi_system_id __initconstrel
reboot_dmi_table[] = {
{ }
};
-static int __init reboot_init(void)
+static int __init cf_check reboot_init(void)
{
/*
* Only do the DMI check if reboot_type hasn't been overridden
diff --git a/xen/arch/x86/time.c b/xen/arch/x86/time.c
index 818a42a406..b94aa8f216 100644
--- a/xen/arch/x86/time.c
+++ b/xen/arch/x86/time.c
@@ -537,7 +537,7 @@ static struct platform_timesource __initdata plt_pmtimer =
static struct time_scale __read_mostly pmt_scale;
-static __init int init_pmtmr_scale(void)
+static __init int cf_check init_pmtmr_scale(void)
{
set_time_scale(&pmt_scale, ACPI_PM_FREQUENCY);
return 0;
@@ -2051,7 +2051,7 @@ static void __init try_platform_timer_tail(void)
}
/* Late init function, after all cpus have booted */
-static int __init verify_tsc_reliability(void)
+static int __init cf_check verify_tsc_reliability(void)
{
if ( boot_cpu_has(X86_FEATURE_TSC_RELIABLE) )
{
@@ -2221,7 +2221,7 @@ static int
_disable_pit_irq(void(*hpet_broadcast_setup)(void))
return ret;
}
-static int __init disable_pit_irq(void)
+static int __init cf_check disable_pit_irq(void)
{
if ( !_disable_pit_irq(hpet_broadcast_init) )
{
@@ -2584,7 +2584,7 @@ static void dump_softtsc(unsigned char key)
printk("No domains have emulated TSC\n");
}
-static int __init setup_dump_softtsc(void)
+static int __init cf_check setup_dump_softtsc(void)
{
register_keyhandler('s', dump_softtsc, "dump softtsc stats", 1);
return 0;
diff --git a/xen/common/core_parking.c b/xen/common/core_parking.c
index aa432ed2f5..44a907abfd 100644
--- a/xen/common/core_parking.c
+++ b/xen/common/core_parking.c
@@ -258,7 +258,7 @@ static int __init register_core_parking_policy(const struct
cp_policy *policy)
return 0;
}
-static int __init core_parking_init(void)
+static int __init cf_check core_parking_init(void)
{
int ret = 0;
diff --git a/xen/common/debugtrace.c b/xen/common/debugtrace.c
index 29b11239f5..f3c0fd8aa1 100644
--- a/xen/common/debugtrace.c
+++ b/xen/common/debugtrace.c
@@ -279,7 +279,7 @@ static struct notifier_block debugtrace_nfb = {
.notifier_call = debugtrace_cpu_callback
};
-static int __init debugtrace_init(void)
+static int __init cf_check debugtrace_init(void)
{
unsigned int cpu;
diff --git a/xen/common/event_channel.c b/xen/common/event_channel.c
index a5ee8b8ebf..2026bc30dc 100644
--- a/xen/common/event_channel.c
+++ b/xen/common/event_channel.c
@@ -1642,7 +1642,7 @@ static void dump_evtchn_info(unsigned char key)
rcu_read_unlock(&domlist_read_lock);
}
-static int __init dump_evtchn_info_key_init(void)
+static int __init cf_check dump_evtchn_info_key_init(void)
{
register_keyhandler('e', dump_evtchn_info, "dump evtchn info", 1);
return 0;
diff --git a/xen/common/gdbstub.c b/xen/common/gdbstub.c
index 848c1f4327..99bfd9a654 100644
--- a/xen/common/gdbstub.c
+++ b/xen/common/gdbstub.c
@@ -640,7 +640,7 @@ __trap_to_gdb(struct cpu_user_regs *regs, unsigned long
cookie)
return rc;
}
-static int __init initialise_gdb(void)
+static int __init cf_check initialise_gdb(void)
{
if ( *opt_gdb == '\0' )
return 0;
diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c
index b663845d9c..1078e3e16c 100644
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -4291,7 +4291,7 @@ static void gnttab_usage_print_all(unsigned char key)
printk("%s ] done\n", __func__);
}
-static int __init gnttab_usage_init(void)
+static int __init cf_check gnttab_usage_init(void)
{
register_keyhandler('g', gnttab_usage_print_all,
"print grant table usage", 1);
diff --git a/xen/common/kernel.c b/xen/common/kernel.c
index 752c2e0dae..adff2d2c77 100644
--- a/xen/common/kernel.c
+++ b/xen/common/kernel.c
@@ -393,7 +393,7 @@ static HYPFS_STRING_INIT(extra, "extra");
static HYPFS_STRING_INIT(config, "config");
#endif
-static int __init buildinfo_init(void)
+static int __init cf_check buildinfo_init(void)
{
hypfs_add_dir(&hypfs_root, &buildinfo, true);
@@ -431,7 +431,7 @@ __initcall(buildinfo_init);
static HYPFS_DIR_INIT(params, "params");
-static int __init param_init(void)
+static int __init cf_check param_init(void)
{
struct param_hypfs *param;
diff --git a/xen/common/kexec.c b/xen/common/kexec.c
index 6286c0bbf0..36384f782d 100644
--- a/xen/common/kexec.c
+++ b/xen/common/kexec.c
@@ -570,7 +570,7 @@ void __init kexec_early_calculations(void)
crashinfo_maxaddr_bits = fls64(crashinfo_maxaddr) - 1;
}
-static int __init kexec_init(void)
+static int __init cf_check kexec_init(void)
{
void *cpu = (void *)(unsigned long)smp_processor_id();
diff --git a/xen/common/livepatch.c b/xen/common/livepatch.c
index 7118551b27..33708b4e23 100644
--- a/xen/common/livepatch.c
+++ b/xen/common/livepatch.c
@@ -2139,7 +2139,7 @@ static struct notifier_block cpu_nfb = {
.notifier_call = cpu_callback
};
-static int __init livepatch_init(void)
+static int __init cf_check livepatch_init(void)
{
unsigned int cpu;
diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index ad06655158..561e238d2d 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -2549,7 +2549,7 @@ static void pagealloc_info(unsigned char key)
printk(" Dom heap: %lukB free\n", total << (PAGE_SHIFT-10));
}
-static __init int pagealloc_keyhandler_init(void)
+static __init int cf_check pagealloc_keyhandler_init(void)
{
register_keyhandler('m', pagealloc_info, "memory info", 1);
return 0;
@@ -2597,7 +2597,7 @@ static void dump_heap(unsigned char key)
}
}
-static __init int register_heap_trigger(void)
+static __init int cf_check register_heap_trigger(void)
{
register_keyhandler('H', dump_heap, "dump heap info", 1);
return 0;
diff --git a/xen/common/radix-tree.c b/xen/common/radix-tree.c
index 2384655a2e..628a7e0698 100644
--- a/xen/common/radix-tree.c
+++ b/xen/common/radix-tree.c
@@ -744,7 +744,7 @@ static __init unsigned long __maxindex(unsigned int height)
return ~0UL >> shift;
}
-static __init int radix_tree_init_maxindex(void)
+static int __init cf_check radix_tree_init_maxindex(void)
{
unsigned int i;
diff --git a/xen/common/random.c b/xen/common/random.c
index fb805b0ecd..a29f2fcb99 100644
--- a/xen/common/random.c
+++ b/xen/common/random.c
@@ -31,7 +31,7 @@ unsigned int get_random(void)
return val;
}
-static int __init init_boot_random(void)
+static int __init cf_check init_boot_random(void)
{
boot_random = get_random();
return 0;
diff --git a/xen/common/sched/cpupool.c b/xen/common/sched/cpupool.c
index f0dd626054..f26c7f2895 100644
--- a/xen/common/sched/cpupool.c
+++ b/xen/common/sched/cpupool.c
@@ -1218,7 +1218,7 @@ static void cpupool_hypfs_init(void)
#endif /* CONFIG_HYPFS */
-static int __init cpupool_init(void)
+static int __init cf_check cpupool_init(void)
{
unsigned int cpu;
diff --git a/xen/common/spinlock.c b/xen/common/spinlock.c
index b90981bb27..5ce7e33638 100644
--- a/xen/common/spinlock.c
+++ b/xen/common/spinlock.c
@@ -508,7 +508,7 @@ void _lock_profile_deregister_struct(
spin_unlock(&lock_profile_lock);
}
-static int __init lock_prof_init(void)
+static int __init cf_check lock_prof_init(void)
{
struct lock_profile **q;
diff --git a/xen/common/stop_machine.c b/xen/common/stop_machine.c
index 2d5f6aef61..8979d553d6 100644
--- a/xen/common/stop_machine.c
+++ b/xen/common/stop_machine.c
@@ -198,7 +198,7 @@ static struct notifier_block cpu_nfb = {
.notifier_call = cpu_callback
};
-static int __init cpu_stopmachine_init(void)
+static int __init cf_check cpu_stopmachine_init(void)
{
unsigned int cpu;
for_each_online_cpu ( cpu )
diff --git a/xen/drivers/cpufreq/cpufreq.c b/xen/drivers/cpufreq/cpufreq.c
index 36b0792962..e55e202d5a 100644
--- a/xen/drivers/cpufreq/cpufreq.c
+++ b/xen/drivers/cpufreq/cpufreq.c
@@ -657,7 +657,7 @@ static struct notifier_block cpu_nfb = {
.notifier_call = cpu_callback
};
-static int __init cpufreq_presmp_init(void)
+static int __init cf_check cpufreq_presmp_init(void)
{
register_cpu_notifier(&cpu_nfb);
return 0;
diff --git a/xen/drivers/cpufreq/cpufreq_misc_governors.c
b/xen/drivers/cpufreq/cpufreq_misc_governors.c
index 746bbcd5ff..8343f491da 100644
--- a/xen/drivers/cpufreq/cpufreq_misc_governors.c
+++ b/xen/drivers/cpufreq/cpufreq_misc_governors.c
@@ -116,7 +116,7 @@ struct cpufreq_governor cpufreq_gov_userspace = {
.handle_option = cpufreq_userspace_handle_option
};
-static int __init cpufreq_gov_userspace_init(void)
+static int __init cf_check cpufreq_gov_userspace_init(void)
{
unsigned int cpu;
@@ -160,7 +160,7 @@ struct cpufreq_governor cpufreq_gov_performance = {
.governor = cpufreq_governor_performance,
};
-static int __init cpufreq_gov_performance_init(void)
+static int __init cf_check cpufreq_gov_performance_init(void)
{
return cpufreq_register_governor(&cpufreq_gov_performance);
}
@@ -199,7 +199,7 @@ struct cpufreq_governor cpufreq_gov_powersave = {
.governor = cpufreq_governor_powersave,
};
-static int __init cpufreq_gov_powersave_init(void)
+static int __init cf_check cpufreq_gov_powersave_init(void)
{
return cpufreq_register_governor(&cpufreq_gov_powersave);
}
diff --git a/xen/drivers/cpufreq/cpufreq_ondemand.c
b/xen/drivers/cpufreq/cpufreq_ondemand.c
index 6b905d7cfc..cabd9ffa88 100644
--- a/xen/drivers/cpufreq/cpufreq_ondemand.c
+++ b/xen/drivers/cpufreq/cpufreq_ondemand.c
@@ -356,7 +356,7 @@ struct cpufreq_governor cpufreq_gov_dbs = {
.handle_option = cpufreq_dbs_handle_option
};
-static int __init cpufreq_gov_dbs_init(void)
+static int __init cf_check cpufreq_gov_dbs_init(void)
{
return cpufreq_register_governor(&cpufreq_gov_dbs);
}
diff --git a/xen/drivers/passthrough/amd/iommu.h
b/xen/drivers/passthrough/amd/iommu.h
index 93243424e8..04517c1a02 100644
--- a/xen/drivers/passthrough/amd/iommu.h
+++ b/xen/drivers/passthrough/amd/iommu.h
@@ -234,7 +234,7 @@ int amd_iommu_prepare(bool xt);
int amd_iommu_init(bool xt);
int amd_iommu_init_late(void);
int amd_iommu_update_ivrs_mapping_acpi(void);
-int iov_adjust_irq_affinities(void);
+int cf_check iov_adjust_irq_affinities(void);
int amd_iommu_quarantine_init(struct domain *d);
diff --git a/xen/drivers/passthrough/amd/iommu_init.c
b/xen/drivers/passthrough/amd/iommu_init.c
index 559a734bda..f1ed755582 100644
--- a/xen/drivers/passthrough/amd/iommu_init.c
+++ b/xen/drivers/passthrough/amd/iommu_init.c
@@ -808,7 +808,7 @@ static bool_t __init set_iommu_interrupt_handler(struct
amd_iommu *iommu)
return 1;
}
-int iov_adjust_irq_affinities(void)
+int cf_check iov_adjust_irq_affinities(void)
{
const struct amd_iommu *iommu;
diff --git a/xen/drivers/passthrough/pci.c b/xen/drivers/passthrough/pci.c
index 4b59b332f0..9f79a01608 100644
--- a/xen/drivers/passthrough/pci.c
+++ b/xen/drivers/passthrough/pci.c
@@ -1358,7 +1358,7 @@ static void dump_pci_devices(unsigned char ch)
pcidevs_unlock();
}
-static int __init setup_dump_pcidevs(void)
+static int __init cf_check setup_dump_pcidevs(void)
{
register_keyhandler('Q', dump_pci_devices, "dump PCI devices", 1);
return 0;
diff --git a/xen/drivers/passthrough/vtd/iommu.c
b/xen/drivers/passthrough/vtd/iommu.c
index 0fc818fd27..6ed32922c4 100644
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -2106,7 +2106,7 @@ static void adjust_irq_affinity(struct acpi_drhd_unit
*drhd)
spin_unlock_irqrestore(&desc->lock, flags);
}
-static int adjust_vtd_irq_affinities(void)
+static int cf_check adjust_vtd_irq_affinities(void)
{
struct acpi_drhd_unit *drhd;
diff --git a/xen/drivers/passthrough/x86/hvm.c
b/xen/drivers/passthrough/x86/hvm.c
index 0b37cd145b..e5a2c58303 100644
--- a/xen/drivers/passthrough/x86/hvm.c
+++ b/xen/drivers/passthrough/x86/hvm.c
@@ -1076,7 +1076,7 @@ static struct notifier_block cpu_nfb = {
.notifier_call = cpu_callback,
};
-static int __init setup_dpci_softirq(void)
+static int __init cf_check setup_dpci_softirq(void)
{
unsigned int cpu;
--
generated by git-patchbot for /home/xen/git/xen.git#staging
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