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SubjectRe: Linux 3.4.32
diff --git a/Makefile b/Makefile
index 930db76..ece8970 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 4
-SUBLEVEL = 31
+SUBLEVEL = 32
EXTRAVERSION =
NAME = Saber-toothed Squirrel

diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index c5531db..747ab28 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -121,6 +121,9 @@ static int s390_next_ktime(ktime_t expires,
nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires));
do_div(nsecs, 125);
S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9);
+ /* Program the maximum value if we have an overflow (== year 2042) */
+ if (unlikely(S390_lowcore.clock_comparator < sched_clock_base_cc))
+ S390_lowcore.clock_comparator = -1ULL;
set_clock_comparator(S390_lowcore.clock_comparator);
return 0;
}
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index c3520d7..3f3dd52 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -142,6 +142,11 @@ static inline unsigned long pmd_pfn(pmd_t pmd)
return (pmd_val(pmd) & PTE_PFN_MASK) >> PAGE_SHIFT;
}

+static inline unsigned long pud_pfn(pud_t pud)
+{
+ return (pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT;
+}
+
#define pte_page(pte) pfn_to_page(pte_pfn(pte))

static inline int pmd_large(pmd_t pte)
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 991e315..db31a2c 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -20,18 +20,19 @@ static int set_x2apic_phys_mode(char *arg)
}
early_param("x2apic_phys", set_x2apic_phys_mode);

-static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static bool x2apic_fadt_phys(void)
{
- if (x2apic_phys)
- return x2apic_enabled();
- else if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
- (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) &&
- x2apic_enabled()) {
+ if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
+ (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
printk(KERN_DEBUG "System requires x2apic physical mode\n");
- return 1;
+ return true;
}
- else
- return 0;
+ return false;
+}
+
+static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+{
+ return x2apic_enabled() && (x2apic_phys || x2apic_fadt_phys());
}

static void
@@ -114,7 +115,7 @@ static void init_x2apic_ldr(void)

static int x2apic_phys_probe(void)
{
- if (x2apic_mode && x2apic_phys)
+ if (x2apic_mode && (x2apic_phys || x2apic_fadt_phys()))
return 1;

return apic == &apic_x2apic_phys;
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 3ecfd1a..e922e01 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -747,13 +747,15 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
return;
}
#endif
+ /* Kernel addresses are always protection faults: */
+ if (address >= TASK_SIZE)
+ error_code |= PF_PROT;

- if (unlikely(show_unhandled_signals))
+ if (likely(show_unhandled_signals))
show_signal_msg(regs, error_code, address, tsk);

- /* Kernel addresses are always protection faults: */
tsk->thread.cr2 = address;
- tsk->thread.error_code = error_code | (address >= TASK_SIZE);
+ tsk->thread.error_code = error_code;
tsk->thread.trap_nr = X86_TRAP_PF;

force_sig_info_fault(SIGSEGV, si_code, address, tsk, 0);
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index fc18be0..faf7a68 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -821,6 +821,9 @@ int kern_addr_valid(unsigned long addr)
if (pud_none(*pud))
return 0;

+ if (pud_large(*pud))
+ return pfn_valid(pud_pfn(*pud));
+
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd))
return 0;
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 6fcd4ad..3705bb0 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -86,7 +86,7 @@ EXPORT_SYMBOL(efi_enabled);

static int __init setup_noefi(char *arg)
{
- clear_bit(EFI_BOOT, &x86_efi_facility);
+ clear_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
return 0;
}
early_param("noefi", setup_noefi);
diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
index b040b0e..7328f71 100644
--- a/arch/x86/xen/xen-asm_32.S
+++ b/arch/x86/xen/xen-asm_32.S
@@ -88,11 +88,11 @@ ENTRY(xen_iret)
*/
#ifdef CONFIG_SMP
GET_THREAD_INFO(%eax)
- movl TI_cpu(%eax), %eax
- movl __per_cpu_offset(,%eax,4), %eax
- mov xen_vcpu(%eax), %eax
+ movl %ss:TI_cpu(%eax), %eax
+ movl %ss:__per_cpu_offset(,%eax,4), %eax
+ mov %ss:xen_vcpu(%eax), %eax
#else
- movl xen_vcpu, %eax
+ movl %ss:xen_vcpu, %eax
#endif

/* check IF state we're restoring */
@@ -105,11 +105,11 @@ ENTRY(xen_iret)
* resuming the code, so we don't have to be worried about
* being preempted to another CPU.
*/
- setz XEN_vcpu_info_mask(%eax)
+ setz %ss:XEN_vcpu_info_mask(%eax)
xen_iret_start_crit:

/* check for unmasked and pending */
- cmpw $0x0001, XEN_vcpu_info_pending(%eax)
+ cmpw $0x0001, %ss:XEN_vcpu_info_pending(%eax)

/*
* If there's something pending, mask events again so we can
@@ -117,7 +117,7 @@ xen_iret_start_crit:
* touch XEN_vcpu_info_mask.
*/
jne 1f
- movb $1, XEN_vcpu_info_mask(%eax)
+ movb $1, %ss:XEN_vcpu_info_mask(%eax)

1: popl %eax

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 6b4f014..1fb180d 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4649,11 +4649,13 @@ void igb_update_stats(struct igb_adapter *adapter,
bytes = 0;
packets = 0;
for (i = 0; i < adapter->num_rx_queues; i++) {
- u32 rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0x0FFF;
+ u32 rqdpc = rd32(E1000_RQDPC(i));
struct igb_ring *ring = adapter->rx_ring[i];

- ring->rx_stats.drops += rqdpc_tmp;
- net_stats->rx_fifo_errors += rqdpc_tmp;
+ if (rqdpc) {
+ ring->rx_stats.drops += rqdpc;
+ net_stats->rx_fifo_errors += rqdpc;
+ }

do {
start = u64_stats_fetch_begin_bh(&ring->rx_syncp);
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index fd77e2b..eae55c7 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -19,6 +19,8 @@ static void pci_free_resources(struct pci_dev *dev)

static void pci_stop_dev(struct pci_dev *dev)
{
+ pci_pme_active(dev, false);
+
if (dev->is_added) {
pci_proc_detach_device(dev);
pci_remove_sysfs_dev_files(dev);

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