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Merge remote-tracking branch 'origin/tmp-c8d2bc9' into msm-4.8

Browse source 
* origin/tmp-c8d2bc9:
  Linux 4.8
  ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7
  MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems
  include/linux/property.h: fix typo/compile error
  ocfs2: fix deadlock on mmapped page in ocfs2_write_begin_nolock()
  mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()
  MAINTAINERS: Switch to kernel.org email address for Javi Merino
  x86/entry/64: Fix context tracking state warning when load_gs_index fails
  x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have CPUID
  x86/vdso: Fix building on big endian host
  x86/boot: Fix another __read_cr4() case on 486
  sctp: fix the issue sctp_diag uses lock_sock in rcu_read_lock
  sctp: change to check peer prsctp_capable when using prsctp polices
  sctp: remove prsctp_param from sctp_chunk
  sctp: move sent_count to the memory hole in sctp_chunk
  tg3: Avoid NULL pointer dereference in tg3_io_error_detected()
  x86/init: Fix cr4_init_shadow() on CR4-less machines
  MIPS: Fix detection of unsupported highmem with cache aliases
  MIPS: Malta: Fix IOCU disable switch read for MIPS64
  MIPS: Fix BUILD_ROLLBACK_PROLOGUE for microMIPS
  MIPS: clear execution hazard after changing FTLB enable
  MIPS: Configure FTLB after probing TLB sizes from config4
  MIPS: Stop setting I6400 FTLBP
  MIPS: DEC: Avoid la pseudo-instruction in delay slots
  MIPS: Octeon: mark GPIO controller node not populated after IRQ init.
  MIPS: uprobes: fix use of uninitialised variable
  MIPS: uprobes: remove incorrect set_orig_insn
  MIPS: fix uretprobe implementation
  MIPS: smp-cps: Avoid BUG() when offlining pre-r6 CPUs
  ARM: 8617/1: dma: fix dma_max_pfn()
  ARM: 8616/1: dt: Respect property size when parsing CPUs
  sparc64: Fix non-SMP build.
  mem-hotplug: use nodes that contain memory as mask in new_node_page()
  scripts/recordmcount.c: account for .softirqentry.text
  dma-mapping.h: preserve unmap info for CONFIG_DMA_API_DEBUG
  mm,ksm: fix endless looping in allocating memory when ksm enable
  MAINTAINERS: Update my e-mail
  sparc64: Fix irq stack bootmem allocation.
  sparc64: Fix cpu_possible_mask if nr_cpus is set
  sparc64 mm: Fix more TSB sizing issues
  sparc64: fix section mismatch in find_numa_latencies_for_group
  drm/udl: fix line iterator in damage handling
  drm/radeon/si/dpm: add workaround for for Jet parts
  drm/amdgpu: disable CRTCs before teardown
  act_ife: Fix false encoding
  act_ife: Fix external mac header on encode
  VSOCK: Don't dec ack backlog twice for rejected connections
  Revert "net: ethernet: bcmgenet: use phydev from struct net_device"
  net: fec: align IP header in hardware
  net: fec: remove QUIRK_HAS_RACC from i.mx27
  net: fec: remove QUIRK_HAS_RACC from i.mx25
  Input: joydev - recognize devices with Z axis as joysticks
  scsi: Avoid that toggling use_blk_mq triggers a memory leak
  ipmr, ip6mr: fix scheduling while atomic and a deadlock with ipmr_get_route
  libnvdimm, region: fix flush hint table thinko
  ip6_gre: fix flowi6_proto value in ip6gre_xmit_other()
  cgroup: fix invalid controller enable rejections with cgroup namespace
  tcp: fix a compile error in DBGUNDO()
  tcp: fix wrong checksum calculation on MTU probing
  sch_sfb: keep backlog updated with qlen
  sch_qfq: keep backlog updated with qlen
  can: dev: fix deadlock reported after bus-off
  drm/nouveau: Revert "bus: remove cpu_coherent flag"
  drm/nouveau/fifo/nv04: avoid ramht race against cookie insertion
  nfit: fail DSMs that return non-zero status by default
  libnvdimm: fix devm_nvdimm_memremap() error path
  tools/testing/nvdimm: fix allocation range for mock flush hint tables
  nvdimm: fix PHYS_PFN/PFN_PHYS mixup
  cpuset: fix non static symbol warning
  cpuset: handle race between CPU hotplug and cpuset_hotplug_work
  mtd: nand: davinci: Reinitialize the HW ECC engine in 4bit hwctl
  mtd: nand: omap2: Don't call dma_release_channel() if dma_request_chan() failed

Change-Id: Ife2a5bc7d9c4f6bb5504bea9a9f3332ff9b50bba
Signed-off-by: Kyle Yan <kyan@codeaurora.org>
This commit is contained in:
Kyle Yan 2016-10-03 14:23:52 -07:00
commit 855bebcaf6
89 changed files with 619 additions and 359 deletions
Download patch file Download diff file Expand all files Collapse all files

1
.mailmap
View file

@ -69,6 +69,7 @@ James Bottomley <jejb@mulgrave.(none)>
James Bottomley <jejb@titanic.il.steeleye.com>
James E Wilson <wilson@specifix.com>
James Ketrenos <jketreno@io.(none)>
Javi Merino <javi.merino@kernel.org> <javi.merino@arm.com>
<javier@osg.samsung.com> <javier.martinez@collabora.co.uk>
Jean Tourrilhes <jt@hpl.hp.com>
Jeff Garzik <jgarzik@pretzel.yyz.us>

4
MAINTAINERS
View file

@ -8745,7 +8745,7 @@ F: drivers/oprofile/
F: include/linux/oprofile.h
ORACLE CLUSTER FILESYSTEM 2 (OCFS2)
M: Mark Fasheh <mfasheh@suse.com>
M: Mark Fasheh <mfasheh@versity.com>
M: Joel Becker <jlbec@evilplan.org>
L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers)
W: http://ocfs2.wiki.kernel.org
@ -11626,7 +11626,7 @@ F: Documentation/devicetree/bindings/thermal/
THERMAL/CPU_COOLING
M: Amit Daniel Kachhap <amit.kachhap@gmail.com>
M: Viresh Kumar <viresh.kumar@linaro.org>
M: Javi Merino <javi.merino@arm.com>
M: Javi Merino <javi.merino@kernel.org>
L: linux-pm@vger.kernel.org
S: Supported
F: Documentation/thermal/cpu-cooling-api.txt

2
Makefile
View file

@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 8
SUBLEVEL = 0
EXTRAVERSION = -rc8
EXTRAVERSION =
NAME = Psychotic Stoned Sheep
# *DOCUMENTATION*

2
arch/arm/boot/compressed/head.S
View file

@ -779,7 +779,7 @@ __armv7_mmu_cache_on:
orrne r0, r0, #1 @ MMU enabled
movne r1, #0xfffffffd @ domain 0 = client
bic r6, r6, #1 << 31 @ 32-bit translation system
bic r6, r6, #3 << 0 @ use only ttbr0
bic r6, r6, #(7 << 0) | (1 << 4) @ use only ttbr0
mcrne p15, 0, r3, c2, c0, 0 @ load page table pointer
mcrne p15, 0, r0, c8, c7, 0 @ flush I,D TLBs
mcr p15, 0, r0, c7, c5, 4 @ ISB

2
arch/arm/include/asm/dma-mapping.h
View file

@ -111,7 +111,7 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
/* The ARM override for dma_max_pfn() */
static inline unsigned long dma_max_pfn(struct device *dev)
{
return PHYS_PFN_OFFSET + dma_to_pfn(dev, *dev->dma_mask);
return dma_to_pfn(dev, *dev->dma_mask);
}
#define dma_max_pfn(dev) dma_max_pfn(dev)

14
arch/arm/kernel/devtree.c
View file

@ -88,6 +88,8 @@ void __init arm_dt_init_cpu_maps(void)
return;
for_each_child_of_node(cpus, cpu) {
const __be32 *cell;
int prop_bytes;
u32 hwid;
if (of_node_cmp(cpu->type, "cpu"))
@ -99,7 +101,8 @@ void __init arm_dt_init_cpu_maps(void)
* properties is considered invalid to build the
* cpu_logical_map.
*/
if (of_property_read_u32(cpu, "reg", &hwid)) {
cell = of_get_property(cpu, "reg", &prop_bytes);
if (!cell || prop_bytes < sizeof(*cell)) {
pr_debug(" * %s missing reg property\n",
cpu->full_name);
of_node_put(cpu);
@ -107,10 +110,15 @@ void __init arm_dt_init_cpu_maps(void)
}
/*
* 8 MSBs must be set to 0 in the DT since the reg property
* Bits n:24 must be set to 0 in the DT since the reg property
* defines the MPIDR[23:0].
*/
if (hwid & ~MPIDR_HWID_BITMASK) {
do {
hwid = be32_to_cpu(*cell++);
prop_bytes -= sizeof(*cell);
} while (!hwid && prop_bytes > 0);
if (prop_bytes || (hwid & ~MPIDR_HWID_BITMASK)) {
of_node_put(cpu);
return;
}

6
arch/mips/cavium-octeon/octeon-irq.c
View file

@ -1619,6 +1619,12 @@ static int __init octeon_irq_init_gpio(
return -ENOMEM;
}
/*
* Clear the OF_POPULATED flag that was set by of_irq_init()
* so that all GPIO devices will be probed.
*/
of_node_clear_flag(gpio_node, OF_POPULATED);
return 0;
}
/*

40
arch/mips/dec/int-handler.S
View file

@ -146,7 +146,25 @@
/*
* Find irq with highest priority
*/
PTR_LA t1,cpu_mask_nr_tbl
# open coded PTR_LA t1, cpu_mask_nr_tbl
#if (_MIPS_SZPTR == 32)
# open coded la t1, cpu_mask_nr_tbl
lui t1, %hi(cpu_mask_nr_tbl)
addiu t1, %lo(cpu_mask_nr_tbl)
#endif
#if (_MIPS_SZPTR == 64)
# open coded dla t1, cpu_mask_nr_tbl
.set push
.set noat
lui t1, %highest(cpu_mask_nr_tbl)
lui AT, %hi(cpu_mask_nr_tbl)
daddiu t1, t1, %higher(cpu_mask_nr_tbl)
daddiu AT, AT, %lo(cpu_mask_nr_tbl)
dsll t1, 32
daddu t1, t1, AT
.set pop
#endif
1: lw t2,(t1)
nop
and t2,t0
@ -195,7 +213,25 @@
/*
* Find irq with highest priority
*/
PTR_LA t1,asic_mask_nr_tbl
# open coded PTR_LA t1,asic_mask_nr_tbl
#if (_MIPS_SZPTR == 32)
# open coded la t1, asic_mask_nr_tbl
lui t1, %hi(asic_mask_nr_tbl)
addiu t1, %lo(asic_mask_nr_tbl)
#endif
#if (_MIPS_SZPTR == 64)
# open coded dla t1, asic_mask_nr_tbl
.set push
.set noat
lui t1, %highest(asic_mask_nr_tbl)
lui AT, %hi(asic_mask_nr_tbl)
daddiu t1, t1, %higher(asic_mask_nr_tbl)
daddiu AT, AT, %lo(asic_mask_nr_tbl)
dsll t1, 32
daddu t1, t1, AT
.set pop
#endif
2: lw t2,(t1)
nop
and t2,t0

11
arch/mips/include/asm/mips-cm.h
View file

@ -458,10 +458,21 @@ static inline int mips_cm_revision(void)
static inline unsigned int mips_cm_max_vp_width(void)
{
extern int smp_num_siblings;
uint32_t cfg;
if (mips_cm_revision() >= CM_REV_CM3)
return read_gcr_sys_config2() & CM_GCR_SYS_CONFIG2_MAXVPW_MSK;
if (mips_cm_present()) {
/*
* We presume that all cores in the system will have the same
* number of VP(E)s, and if that ever changes then this will
* need revisiting.
*/
cfg = read_gcr_cl_config() & CM_GCR_Cx_CONFIG_PVPE_MSK;
return (cfg >> CM_GCR_Cx_CONFIG_PVPE_SHF) + 1;
}
if (IS_ENABLED(CONFIG_SMP))
return smp_num_siblings;

2
arch/mips/include/asm/mipsregs.h
View file

@ -660,8 +660,6 @@
#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
/* FTLB probability bits for R6 */
#define MIPS_CONF7_FTLBP_SHIFT (18)
/* WatchLo* register definitions */
#define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0)

1
arch/mips/include/asm/uprobes.h
View file

@ -36,7 +36,6 @@ struct arch_uprobe {
unsigned long resume_epc;
u32 insn[2];
u32 ixol[2];
union mips_instruction orig_inst[MAX_UINSN_BYTES / 4];
};
struct arch_uprobe_task {

53
arch/mips/kernel/cpu-probe.c
View file

@ -352,7 +352,12 @@ __setup("nohtw", htw_disable);
static int mips_ftlb_disabled;
static int mips_has_ftlb_configured;
static int set_ftlb_enable(struct cpuinfo_mips *c, int enable);
enum ftlb_flags {
FTLB_EN = 1 << 0,
FTLB_SET_PROB = 1 << 1,
};
static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags);
static int __init ftlb_disable(char *s)
{
@ -371,8 +376,6 @@ static int __init ftlb_disable(char *s)
return 1;
}
back_to_back_c0_hazard();
config4 = read_c0_config4();
/* Check that FTLB has been disabled */
@ -531,7 +534,7 @@ static unsigned int calculate_ftlb_probability(struct cpuinfo_mips *c)
return 3;
}
static int set_ftlb_enable(struct cpuinfo_mips *c, int enable)
static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags)
{
unsigned int config;
@ -542,33 +545,33 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, int enable)
case CPU_P6600:
/* proAptiv & related cores use Config6 to enable the FTLB */
config = read_c0_config6();
/* Clear the old probability value */
config &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
if (enable)
/* Enable FTLB */
write_c0_config6(config |
(calculate_ftlb_probability(c)
<< MIPS_CONF6_FTLBP_SHIFT)
| MIPS_CONF6_FTLBEN);
if (flags & FTLB_EN)
config |= MIPS_CONF6_FTLBEN;
else
/* Disable FTLB */
write_c0_config6(config & ~MIPS_CONF6_FTLBEN);
config &= ~MIPS_CONF6_FTLBEN;
if (flags & FTLB_SET_PROB) {
config &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
config |= calculate_ftlb_probability(c)
<< MIPS_CONF6_FTLBP_SHIFT;
}
write_c0_config6(config);
back_to_back_c0_hazard();
break;
case CPU_I6400:
/* I6400 & related cores use Config7 to configure FTLB */
config = read_c0_config7();
/* Clear the old probability value */
config &= ~(3 << MIPS_CONF7_FTLBP_SHIFT);
write_c0_config7(config | (calculate_ftlb_probability(c)
<< MIPS_CONF7_FTLBP_SHIFT));
break;
/* There's no way to disable the FTLB */
if (!(flags & FTLB_EN))
return 1;
return 0;
case CPU_LOONGSON3:
/* Flush ITLB, DTLB, VTLB and FTLB */
write_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB |
LOONGSON_DIAG_VTLB | LOONGSON_DIAG_FTLB);
/* Loongson-3 cores use Config6 to enable the FTLB */
config = read_c0_config6();
if (enable)
if (flags & FTLB_EN)
/* Enable FTLB */
write_c0_config6(config & ~MIPS_CONF6_FTLBDIS);
else
@ -788,6 +791,7 @@ static inline unsigned int decode_config4(struct cpuinfo_mips *c)
PAGE_SIZE, config4);
/* Switch FTLB off */
set_ftlb_enable(c, 0);
mips_ftlb_disabled = 1;
break;
}
c->tlbsizeftlbsets = 1 <<
@ -852,7 +856,7 @@ static void decode_configs(struct cpuinfo_mips *c)
c->scache.flags = MIPS_CACHE_NOT_PRESENT;
/* Enable FTLB if present and not disabled */
set_ftlb_enable(c, !mips_ftlb_disabled);
set_ftlb_enable(c, mips_ftlb_disabled ? 0 : FTLB_EN);
ok = decode_config0(c); /* Read Config registers. */
BUG_ON(!ok); /* Arch spec violation! */
@ -902,6 +906,9 @@ static void decode_configs(struct cpuinfo_mips *c)
}
}
/* configure the FTLB write probability */
set_ftlb_enable(c, (mips_ftlb_disabled ? 0 : FTLB_EN) | FTLB_SET_PROB);
mips_probe_watch_registers(c);
#ifndef CONFIG_MIPS_CPS

3
arch/mips/kernel/genex.S
View file

@ -142,9 +142,8 @@ LEAF(__r4k_wait)
PTR_LA k1, __r4k_wait
ori k0, 0x1f /* 32 byte rollback region */
xori k0, 0x1f
bne k0, k1, 9f
bne k0, k1, \handler
MTC0 k0, CP0_EPC
9:
.set pop
.endm

2
arch/mips/kernel/setup.c
View file

@ -764,7 +764,6 @@ static void __init arch_mem_init(char **cmdline_p)
device_tree_init();
sparse_init();
plat_swiotlb_setup();
paging_init();
dma_contiguous_reserve(PFN_PHYS(max_low_pfn));
/* Tell bootmem about cma reserved memblock section */
@ -877,6 +876,7 @@ void __init setup_arch(char **cmdline_p)
prefill_possible_map();
cpu_cache_init();
paging_init();
}
unsigned long kernelsp[NR_CPUS];

2
arch/mips/kernel/smp-cps.c
View file

@ -513,7 +513,7 @@ static void cps_cpu_die(unsigned int cpu)
* in which case the CPC will refuse to power down the core.
*/
do {
mips_cm_lock_other(core, vpe_id);
mips_cm_lock_other(core, 0);
mips_cpc_lock_other(core);
stat = read_cpc_co_stat_conf();
stat &= CPC_Cx_STAT_CONF_SEQSTATE_MSK;

25
arch/mips/kernel/uprobes.c
View file

@ -157,7 +157,6 @@ bool is_trap_insn(uprobe_opcode_t *insn)
int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs)
{
struct uprobe_task *utask = current->utask;
union mips_instruction insn;
/*
* Now find the EPC where to resume after the breakpoint has been
@ -168,10 +167,10 @@ int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs)
unsigned long epc;
epc = regs->cp0_epc;
__compute_return_epc_for_insn(regs, insn);
__compute_return_epc_for_insn(regs,
(union mips_instruction) aup->insn[0]);
aup->resume_epc = regs->cp0_epc;
}
utask->autask.saved_trap_nr = current->thread.trap_nr;
current->thread.trap_nr = UPROBE_TRAP_NR;
regs->cp0_epc = current->utask->xol_vaddr;
@ -257,7 +256,7 @@ unsigned long arch_uretprobe_hijack_return_addr(
ra = regs->regs[31];
/* Replace the return address with the trampoline address */
regs->regs[31] = ra;
regs->regs[31] = trampoline_vaddr;
return ra;
}
@ -280,24 +279,6 @@ int __weak set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm,
return uprobe_write_opcode(mm, vaddr, UPROBE_SWBP_INSN);
}
/**
* set_orig_insn - Restore the original instruction.
* @mm: the probed process address space.
* @auprobe: arch specific probepoint information.
* @vaddr: the virtual address to insert the opcode.
*
* For mm @mm, restore the original opcode (opcode) at @vaddr.
* Return 0 (success) or a negative errno.
*
* This overrides the weak version in kernel/events/uprobes.c.
*/
int set_orig_insn(struct arch_uprobe *auprobe, struct mm_struct *mm,
unsigned long vaddr)
{
return uprobe_write_opcode(mm, vaddr,
*(uprobe_opcode_t *)&auprobe->orig_inst[0].word);
}
void __weak arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
void *src, unsigned long len)
{

3
arch/mips/mm/init.c
View file

@ -440,6 +440,9 @@ static inline void mem_init_free_highmem(void)
#ifdef CONFIG_HIGHMEM
unsigned long tmp;
if (cpu_has_dc_aliases)
return;
for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) {
struct page *page = pfn_to_page(tmp);

8
arch/mips/mti-malta/malta-setup.c
View file

@ -39,6 +39,9 @@
#include <linux/console.h>
#endif
#define ROCIT_CONFIG_GEN0 0x1f403000
#define ROCIT_CONFIG_GEN0_PCI_IOCU BIT(7)
extern void malta_be_init(void);
extern int malta_be_handler(struct pt_regs *regs, int is_fixup);
@ -107,6 +110,8 @@ static void __init fd_activate(void)
static int __init plat_enable_iocoherency(void)
{
int supported = 0;
u32 cfg;
if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) {
if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) {
BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN;
@ -129,7 +134,8 @@ static int __init plat_enable_iocoherency(void)
} else if (mips_cm_numiocu() != 0) {
/* Nothing special needs to be done to enable coherency */
pr_info("CMP IOCU detected\n");
if ((*(unsigned int *)0xbf403000 & 0x81) != 0x81) {
cfg = __raw_readl((u32 *)CKSEG1ADDR(ROCIT_CONFIG_GEN0));
if (!(cfg & ROCIT_CONFIG_GEN0_PCI_IOCU)) {
pr_crit("IOCU OPERATION DISABLED BY SWITCH - DEFAULTING TO SW IO COHERENCY\n");
return 0;
}

1
arch/sparc/include/asm/page_64.h
View file

@ -25,6 +25,7 @@
#define HPAGE_MASK (~(HPAGE_SIZE - 1UL))
#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#define REAL_HPAGE_PER_HPAGE (_AC(1,UL) << (HPAGE_SHIFT - REAL_HPAGE_SHIFT))
#endif
#ifndef __ASSEMBLY__

2
arch/sparc/include/asm/smp_64.h
View file

@ -43,6 +43,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask);
int hard_smp_processor_id(void);
#define raw_smp_processor_id() (current_thread_info()->cpu)
void smp_fill_in_cpu_possible_map(void);
void smp_fill_in_sib_core_maps(void);
void cpu_play_dead(void);
@ -72,6 +73,7 @@ void __cpu_die(unsigned int cpu);
#define smp_fill_in_sib_core_maps() do { } while (0)
#define smp_fetch_global_regs() do { } while (0)
#define smp_fetch_global_pmu() do { } while (0)
#define smp_fill_in_cpu_possible_map() do { } while (0)
#endif /* !(CONFIG_SMP) */

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