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Merge branch 'x86/urgent' into x86/mm to pick up dependencies

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This commit is contained in:
Thomas Gleixner
2018-03-14 20:23:25 +01:00
parent 0242874263 18a955219b
commit 745dd37f9d
580 changed files with 5795 additions and 3833 deletions
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26
arch/x86/kernel/cpu/mcheck/mce.c
View File

@@ -56,6 +56,9 @@
static DEFINE_MUTEX(mce_log_mutex);
/* sysfs synchronization */
static DEFINE_MUTEX(mce_sysfs_mutex);
#define CREATE_TRACE_POINTS
#include <trace/events/mce.h>
@@ -130,6 +133,8 @@ void mce_setup(struct mce *m)
if (this_cpu_has(X86_FEATURE_INTEL_PPIN))
rdmsrl(MSR_PPIN, m->ppin);
m->microcode = boot_cpu_data.microcode;
}
DEFINE_PER_CPU(struct mce, injectm);
@@ -262,7 +267,7 @@ static void __print_mce(struct mce *m)
*/
pr_emerg(HW_ERR "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x microcode %x\n",
m->cpuvendor, m->cpuid, m->time, m->socketid, m->apicid,
cpu_data(m->extcpu).microcode);
m->microcode);
}
static void print_mce(struct mce *m)
@@ -2074,6 +2079,7 @@ static ssize_t set_ignore_ce(struct device *s,
if (kstrtou64(buf, 0, &new) < 0)
return -EINVAL;
mutex_lock(&mce_sysfs_mutex);
if (mca_cfg.ignore_ce ^ !!new) {
if (new) {
/* disable ce features */
@@ -2086,6 +2092,8 @@ static ssize_t set_ignore_ce(struct device *s,
on_each_cpu(mce_enable_ce, (void *)1, 1);
}
}
mutex_unlock(&mce_sysfs_mutex);
return size;
}
@@ -2098,6 +2106,7 @@ static ssize_t set_cmci_disabled(struct device *s,
if (kstrtou64(buf, 0, &new) < 0)
return -EINVAL;
mutex_lock(&mce_sysfs_mutex);
if (mca_cfg.cmci_disabled ^ !!new) {
if (new) {
/* disable cmci */
@@ -2109,6 +2118,8 @@ static ssize_t set_cmci_disabled(struct device *s,
on_each_cpu(mce_enable_ce, NULL, 1);
}
}
mutex_unlock(&mce_sysfs_mutex);
return size;
}
@@ -2116,8 +2127,19 @@ static ssize_t store_int_with_restart(struct device *s,
struct device_attribute *attr,
const char *buf, size_t size)
{
ssize_t ret = device_store_int(s, attr, buf, size);
unsigned long old_check_interval = check_interval;
ssize_t ret = device_store_ulong(s, attr, buf, size);
if (check_interval == old_check_interval)
return ret;
if (check_interval < 1)
check_interval = 1;
mutex_lock(&mce_sysfs_mutex);
mce_restart();
mutex_unlock(&mce_sysfs_mutex);
return ret;
}

20
arch/x86/kernel/kvm.c
View File

@@ -49,7 +49,7 @@
static int kvmapf = 1;
static int parse_no_kvmapf(char *arg)
static int __init parse_no_kvmapf(char *arg)
{
kvmapf = 0;
return 0;
@@ -58,7 +58,7 @@ static int parse_no_kvmapf(char *arg)
early_param("no-kvmapf", parse_no_kvmapf);
static int steal_acc = 1;
static int parse_no_stealacc(char *arg)
static int __init parse_no_stealacc(char *arg)
{
steal_acc = 0;
return 0;
@@ -67,7 +67,7 @@ static int parse_no_stealacc(char *arg)
early_param("no-steal-acc", parse_no_stealacc);
static int kvmclock_vsyscall = 1;
static int parse_no_kvmclock_vsyscall(char *arg)
static int __init parse_no_kvmclock_vsyscall(char *arg)
{
kvmclock_vsyscall = 0;
return 0;
@@ -341,10 +341,10 @@ static void kvm_guest_cpu_init(void)
#endif
pa |= KVM_ASYNC_PF_ENABLED;
/* Async page fault support for L1 hypervisor is optional */
if (wrmsr_safe(MSR_KVM_ASYNC_PF_EN,
(pa | KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT) & 0xffffffff, pa >> 32) < 0)
wrmsrl(MSR_KVM_ASYNC_PF_EN, pa);
if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF_VMEXIT))
pa |= KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT;
wrmsrl(MSR_KVM_ASYNC_PF_EN, pa);
__this_cpu_write(apf_reason.enabled, 1);
printk(KERN_INFO"KVM setup async PF for cpu %d\n",
smp_processor_id());
@@ -545,7 +545,8 @@ static void __init kvm_guest_init(void)
pv_time_ops.steal_clock = kvm_steal_clock;
}
if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH))
if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) &&
!kvm_para_has_feature(KVM_FEATURE_STEAL_TIME))
pv_mmu_ops.flush_tlb_others = kvm_flush_tlb_others;
if (kvm_para_has_feature(KVM_FEATURE_PV_EOI))
@@ -633,7 +634,8 @@ static __init int kvm_setup_pv_tlb_flush(void)
{
int cpu;
if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH)) {
if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) &&
!kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) {
for_each_possible_cpu(cpu) {
zalloc_cpumask_var_node(per_cpu_ptr(&__pv_tlb_mask, cpu),
GFP_KERNEL, cpu_to_node(cpu));

65
arch/x86/kernel/signal_compat.c
View File

@@ -43,6 +43,13 @@ static inline void signal_compat_build_tests(void)
BUILD_BUG_ON(offsetof(compat_siginfo_t, _sifields) != 3 * sizeof(int));
#define CHECK_CSI_OFFSET(name) BUILD_BUG_ON(_sifields_offset != offsetof(compat_siginfo_t, _sifields.name))
BUILD_BUG_ON(offsetof(siginfo_t, si_signo) != 0);
BUILD_BUG_ON(offsetof(siginfo_t, si_errno) != 4);
BUILD_BUG_ON(offsetof(siginfo_t, si_code) != 8);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_signo) != 0);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_errno) != 4);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_code) != 8);
/*
* Ensure that the size of each si_field never changes.
* If it does, it is a sign that the
@@ -63,36 +70,94 @@ static inline void signal_compat_build_tests(void)
CHECK_CSI_SIZE (_kill, 2*sizeof(int));
CHECK_SI_SIZE (_kill, 2*sizeof(int));
BUILD_BUG_ON(offsetof(siginfo_t, si_pid) != 0x10);
BUILD_BUG_ON(offsetof(siginfo_t, si_uid) != 0x14);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_pid) != 0xC);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_uid) != 0x10);
CHECK_CSI_OFFSET(_timer);
CHECK_CSI_SIZE (_timer, 3*sizeof(int));
CHECK_SI_SIZE (_timer, 6*sizeof(int));
BUILD_BUG_ON(offsetof(siginfo_t, si_tid) != 0x10);
BUILD_BUG_ON(offsetof(siginfo_t, si_overrun) != 0x14);
BUILD_BUG_ON(offsetof(siginfo_t, si_value) != 0x18);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_tid) != 0x0C);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_overrun) != 0x10);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_value) != 0x14);
CHECK_CSI_OFFSET(_rt);
CHECK_CSI_SIZE (_rt, 3*sizeof(int));
CHECK_SI_SIZE (_rt, 4*sizeof(int));
BUILD_BUG_ON(offsetof(siginfo_t, si_pid) != 0x10);
BUILD_BUG_ON(offsetof(siginfo_t, si_uid) != 0x14);
BUILD_BUG_ON(offsetof(siginfo_t, si_value) != 0x18);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_pid) != 0x0C);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_uid) != 0x10);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_value) != 0x14);
CHECK_CSI_OFFSET(_sigchld);
CHECK_CSI_SIZE (_sigchld, 5*sizeof(int));
CHECK_SI_SIZE (_sigchld, 8*sizeof(int));
BUILD_BUG_ON(offsetof(siginfo_t, si_pid) != 0x10);
BUILD_BUG_ON(offsetof(siginfo_t, si_uid) != 0x14);
BUILD_BUG_ON(offsetof(siginfo_t, si_status) != 0x18);
BUILD_BUG_ON(offsetof(siginfo_t, si_utime) != 0x20);
BUILD_BUG_ON(offsetof(siginfo_t, si_stime) != 0x28);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_pid) != 0x0C);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_uid) != 0x10);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_status) != 0x14);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_utime) != 0x18);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_stime) != 0x1C);
#ifdef CONFIG_X86_X32_ABI
CHECK_CSI_OFFSET(_sigchld_x32);
CHECK_CSI_SIZE (_sigchld_x32, 7*sizeof(int));
/* no _sigchld_x32 in the generic siginfo_t */
BUILD_BUG_ON(offsetof(compat_siginfo_t, _sifields._sigchld_x32._utime) != 0x18);
BUILD_BUG_ON(offsetof(compat_siginfo_t, _sifields._sigchld_x32._stime) != 0x20);
#endif
CHECK_CSI_OFFSET(_sigfault);
CHECK_CSI_SIZE (_sigfault, 4*sizeof(int));
CHECK_SI_SIZE (_sigfault, 8*sizeof(int));
BUILD_BUG_ON(offsetof(siginfo_t, si_addr) != 0x10);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_addr) != 0x0C);
BUILD_BUG_ON(offsetof(siginfo_t, si_addr_lsb) != 0x18);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_addr_lsb) != 0x10);
BUILD_BUG_ON(offsetof(siginfo_t, si_lower) != 0x20);
BUILD_BUG_ON(offsetof(siginfo_t, si_upper) != 0x28);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_lower) != 0x14);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_upper) != 0x18);
BUILD_BUG_ON(offsetof(siginfo_t, si_pkey) != 0x20);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_pkey) != 0x14);
CHECK_CSI_OFFSET(_sigpoll);
CHECK_CSI_SIZE (_sigpoll, 2*sizeof(int));
CHECK_SI_SIZE (_sigpoll, 4*sizeof(int));
BUILD_BUG_ON(offsetof(siginfo_t, si_band) != 0x10);
BUILD_BUG_ON(offsetof(siginfo_t, si_fd) != 0x18);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_band) != 0x0C);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_fd) != 0x10);
CHECK_CSI_OFFSET(_sigsys);
CHECK_CSI_SIZE (_sigsys, 3*sizeof(int));
CHECK_SI_SIZE (_sigsys, 4*sizeof(int));
BUILD_BUG_ON(offsetof(siginfo_t, si_call_addr) != 0x10);
BUILD_BUG_ON(offsetof(siginfo_t, si_syscall) != 0x18);
BUILD_BUG_ON(offsetof(siginfo_t, si_arch) != 0x1C);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_call_addr) != 0x0C);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_syscall) != 0x10);
BUILD_BUG_ON(offsetof(compat_siginfo_t, si_arch) != 0x14);
/* any new si_fields should be added here */
}