static inline void __raw_writew(u16 val, volatile void __iomem *addr)
{
asm volatile("strh %1, %0"
- : "+Qo" (*(volatile u16 __force *)addr)
+ : "+Q" (*(volatile u16 __force *)addr)
: "r" (val));
}
{
u16 val;
asm volatile("ldrh %1, %0"
- : "+Qo" (*(volatile u16 __force *)addr),
+ : "+Q" (*(volatile u16 __force *)addr),
"=r" (val));
return val;
}
extern void sched_clock_postinit(void);
extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
-extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
- unsigned long rate);
#endif
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
- tst \tmp, #HWCAP_VFPv3D16
- ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
- addne \base, \base, #32*4 @ step over unused register space
+ tst \tmp, #HWCAP_VFPD32
+ ldcnel p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
+ addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
- tst \tmp, #HWCAP_VFPv3D16
- stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
- addne \base, \base, #32*4 @ step over unused register space
+ tst \tmp, #HWCAP_VFPD32
+ stcnel p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
+ addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
#define HWCAP_THUMBEE (1 << 11)
#define HWCAP_NEON (1 << 12)
#define HWCAP_VFPv3 (1 << 13)
-#define HWCAP_VFPv3D16 (1 << 14)
+#define HWCAP_VFPv3D16 (1 << 14) /* also set for VFPv4-D16 */
#define HWCAP_TLS (1 << 15)
#define HWCAP_VFPv4 (1 << 16)
#define HWCAP_IDIVA (1 << 17)
#define HWCAP_IDIVT (1 << 18)
+#define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */
#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT)
update_sched_clock();
}
-void __init setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
- unsigned long rate)
-{
- setup_sched_clock(read, bits, rate);
- cd.needs_suspend = true;
-}
-
void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
{
unsigned long r, w;
static int sched_clock_suspend(void)
{
sched_clock_poll(sched_clock_timer.data);
- if (cd.needs_suspend)
- cd.suspended = true;
+ cd.suspended = true;
return 0;
}
static void sched_clock_resume(void)
{
- if (cd.needs_suspend) {
- cd.epoch_cyc = read_sched_clock();
- cd.epoch_cyc_copy = cd.epoch_cyc;
- cd.suspended = false;
- }
+ cd.epoch_cyc = read_sched_clock();
+ cd.epoch_cyc_copy = cd.epoch_cyc;
+ cd.suspended = false;
}
static struct syscore_ops sched_clock_ops = {
static int
do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
{
- union offset_union offset;
+ union offset_union uninitialized_var(offset);
unsigned long instr = 0, instrptr;
int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs);
unsigned int type;
elf_hwcap |= HWCAP_VFPv3;
/*
- * Check for VFPv3 D16. CPUs in this configuration
- * only have 16 x 64bit registers.
+ * Check for VFPv3 D16 and VFPv4 D16. CPUs in
+ * this configuration only have 16 x 64bit
+ * registers.
*/
if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1)
- elf_hwcap |= HWCAP_VFPv3D16;
+ elf_hwcap |= HWCAP_VFPv3D16; /* also v4-D16 */
+ else
+ elf_hwcap |= HWCAP_VFPD32;
}
#endif
/*
int minor_id = iminor(inode);
struct drm_minor *minor;
int retcode = 0;
+ int need_setup = 0;
+ struct address_space *old_mapping;
minor = idr_find(&drm_minors_idr, minor_id);
if (!minor)
if (drm_device_is_unplugged(dev))
return -ENODEV;
+ if (!dev->open_count++)
+ need_setup = 1;
+ mutex_lock(&dev->struct_mutex);
+ old_mapping = dev->dev_mapping;
+ if (old_mapping == NULL)
+ dev->dev_mapping = &inode->i_data;
+ /* ihold ensures nobody can remove inode with our i_data */
+ ihold(container_of(dev->dev_mapping, struct inode, i_data));
+ inode->i_mapping = dev->dev_mapping;
+ filp->f_mapping = dev->dev_mapping;
+ mutex_unlock(&dev->struct_mutex);
+
retcode = drm_open_helper(inode, filp, dev);
- if (!retcode) {
- atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
- if (!dev->open_count++)
- retcode = drm_setup(dev);
- }
- if (!retcode) {
- mutex_lock(&dev->struct_mutex);
- if (dev->dev_mapping == NULL)
- dev->dev_mapping = &inode->i_data;
- /* ihold ensures nobody can remove inode with our i_data */
- ihold(container_of(dev->dev_mapping, struct inode, i_data));
- inode->i_mapping = dev->dev_mapping;
- filp->f_mapping = dev->dev_mapping;
- mutex_unlock(&dev->struct_mutex);
+ if (retcode)
+ goto err_undo;
+ atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
+ if (need_setup) {
+ retcode = drm_setup(dev);
+ if (retcode)
+ goto err_undo;
}
+ return 0;
+err_undo:
+ mutex_lock(&dev->struct_mutex);
+ filp->f_mapping = old_mapping;
+ inode->i_mapping = old_mapping;
+ iput(container_of(dev->dev_mapping, struct inode, i_data));
+ dev->dev_mapping = old_mapping;
+ mutex_unlock(&dev->struct_mutex);
+ dev->open_count--;
return retcode;
}
EXPORT_SYMBOL(drm_open);
WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
for (i = 0; i < rdev->num_crtc; i++) {
- if (save->crtc_enabled) {
+ if (save->crtc_enabled[i]) {
if (ASIC_IS_DCE6(rdev)) {
tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
* ASB100-A supports pwm1, while plain ASB100 does not. There is no known
* way for the driver to tell which one is there.
*
- * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
* asb100 7 3 1 4 0x31 0x0694 yes no
*/
mutex_init(&data->lock);
mutex_init(&data->update_lock);
data->name = w83627ehf_device_names[sio_data->kind];
+ data->bank = 0xff; /* Force initial bank selection */
platform_set_drvdata(pdev, data);
/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
/*
* Supports following chips:
*
- * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
* w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
* w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
* w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
/*
* Supports following chips:
*
- * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
* as99127f 7 3 0 3 0x31 0x12c3 yes no
* as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no
* w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes
/*
* Supports following chips:
*
- * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
* w83791d 10 5 5 3 0x71 0x5ca3 yes no
*
* The w83791d chip appears to be part way between the 83781d and the
/*
* Supports following chips:
*
- * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
* w83792d 9 7 7 3 0x7a 0x5ca3 yes no
*/
/*
* Supports following chips:
*
- * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
+ * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
* w83l786ng 3 2 2 2 0x7b 0x5ca3 yes no
*/
struct gfs2_holder i_gh;
int error;
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
- error = gfs2_glock_nq(&i_gh);
- if (error == 0) {
- file_accessed(file);
- gfs2_glock_dq(&i_gh);
- }
- gfs2_holder_uninit(&i_gh);
+ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
+ &i_gh);
if (error)
return error;
+ /* grab lock to update inode */
+ gfs2_glock_dq_uninit(&i_gh);
+ file_accessed(file);
}
vma->vm_ops = &gfs2_vm_ops;
size_t writesize = iov_length(iov, nr_segs);
struct dentry *dentry = file->f_dentry;
struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
- struct gfs2_sbd *sdp;
int ret;
- sdp = GFS2_SB(file->f_mapping->host);
ret = gfs2_rs_alloc(ip);
if (ret)
return ret;
struct gfs2_meta_header *mh;
struct gfs2_trans *tr;
- lock_buffer(bd->bd_bh);
- gfs2_log_lock(sdp);
tr = current->journal_info;
tr->tr_touched = 1;
if (!list_empty(&bd->bd_list))
- goto out;
+ return;
set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
mh = (struct gfs2_meta_header *)bd->bd_bh->b_data;
sdp->sd_log_num_buf++;
list_add(&bd->bd_list, &sdp->sd_log_le_buf);
tr->tr_num_buf_new++;
-out:
- gfs2_log_unlock(sdp);
- unlock_buffer(bd->bd_bh);
}
static void gfs2_check_magic(struct buffer_head *bh)
static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
{
- struct gfs2_log_descriptor *ld;
struct gfs2_meta_header *mh;
unsigned int offset;
struct list_head *head = &sdp->sd_log_le_revoke;
length = gfs2_struct2blk(sdp, sdp->sd_log_num_revoke, sizeof(u64));
page = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_REVOKE, length, sdp->sd_log_num_revoke);
- ld = page_address(page);
offset = sizeof(struct gfs2_log_descriptor);
list_for_each_entry(bd, head, bd_list) {
struct address_space *mapping = bd->bd_bh->b_page->mapping;
struct gfs2_inode *ip = GFS2_I(mapping->host);
- lock_buffer(bd->bd_bh);
- gfs2_log_lock(sdp);
if (tr)
tr->tr_touched = 1;
if (!list_empty(&bd->bd_list))
- goto out;
+ return;
set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
if (gfs2_is_jdata(ip)) {
} else {
list_add_tail(&bd->bd_list, &sdp->sd_log_le_ordered);
}
-out:
- gfs2_log_unlock(sdp);
- unlock_buffer(bd->bd_bh);
}
/**
struct gfs2_quota_data **qd;
int error;
- if (ip->i_res == NULL)
- gfs2_rs_alloc(ip);
+ if (ip->i_res == NULL) {
+ error = gfs2_rs_alloc(ip);
+ if (error)
+ return error;
+ }
qd = ip->i_res->rs_qa_qd;
*/
int gfs2_rs_alloc(struct gfs2_inode *ip)
{
- int error = 0;
struct gfs2_blkreserv *res;
if (ip->i_res)
res = kmem_cache_zalloc(gfs2_rsrv_cachep, GFP_NOFS);
if (!res)
- error = -ENOMEM;
+ return -ENOMEM;
RB_CLEAR_NODE(&res->rs_node);
else
ip->i_res = res;
up_write(&ip->i_rw_mutex);
- return error;
+ return 0;
}
static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs)
int ret = 0;
u64 amt;
u64 trimmed = 0;
+ u64 start, end, minlen;
unsigned int x;
+ unsigned bs_shift = sdp->sd_sb.sb_bsize_shift;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (!blk_queue_discard(q))
return -EOPNOTSUPP;
- if (argp == NULL) {
- r.start = 0;
- r.len = ULLONG_MAX;
- r.minlen = 0;
- } else if (copy_from_user(&r, argp, sizeof(r)))
+ if (copy_from_user(&r, argp, sizeof(r)))
return -EFAULT;
ret = gfs2_rindex_update(sdp);
if (ret)
return ret;
- rgd = gfs2_blk2rgrpd(sdp, r.start, 0);
- rgd_end = gfs2_blk2rgrpd(sdp, r.start + r.len, 0);
+ start = r.start >> bs_shift;
+ end = start + (r.len >> bs_shift);
+ minlen = max_t(u64, r.minlen,
+ q->limits.discard_granularity) >> bs_shift;
+
+ rgd = gfs2_blk2rgrpd(sdp, start, 0);
+ rgd_end = gfs2_blk2rgrpd(sdp, end - 1, 0);
+
+ if (end <= start ||
+ minlen > sdp->sd_max_rg_data ||
+ start > rgd_end->rd_data0 + rgd_end->rd_data)
+ return -EINVAL;
while (1) {
/* Trim each bitmap in the rgrp */
for (x = 0; x < rgd->rd_length; x++) {
struct gfs2_bitmap *bi = rgd->rd_bits + x;
- ret = gfs2_rgrp_send_discards(sdp, rgd->rd_data0, NULL, bi, r.minlen, &amt);
+ ret = gfs2_rgrp_send_discards(sdp,
+ rgd->rd_data0, NULL, bi, minlen,
+ &amt);
if (ret) {
gfs2_glock_dq_uninit(&gh);
goto out;
out:
r.len = trimmed << 9;
- if (argp && copy_to_user(argp, &r, sizeof(r)))
+ if (copy_to_user(argp, &r, sizeof(r)))
return -EFAULT;
return ret;
return;
}
need_unlock = 1;
- }
+ } else if (WARN_ON_ONCE(ip->i_gl->gl_state != LM_ST_EXCLUSIVE))
+ return;
if (current->journal_info == NULL) {
ret = gfs2_trans_begin(sdp, RES_DINODE, 0);
struct gfs2_sbd *sdp = gl->gl_sbd;
struct gfs2_bufdata *bd;
+ lock_buffer(bh);
+ gfs2_log_lock(sdp);
bd = bh->b_private;
if (bd)
gfs2_assert(sdp, bd->bd_gl == gl);
else {
+ gfs2_log_unlock(sdp);
+ unlock_buffer(bh);
gfs2_attach_bufdata(gl, bh, meta);
bd = bh->b_private;
+ lock_buffer(bh);
+ gfs2_log_lock(sdp);
}
lops_add(sdp, bd);
+ gfs2_log_unlock(sdp);
+ unlock_buffer(bh);
}
void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
/* nfs4state.c */
struct rpc_cred *nfs4_get_setclientid_cred(struct nfs_client *clp);
+struct rpc_cred *nfs4_get_machine_cred_locked(struct nfs_client *clp);
struct rpc_cred *nfs4_get_renew_cred_locked(struct nfs_client *clp);
int nfs4_discover_server_trunking(struct nfs_client *clp,
struct nfs_client **);
int nfs40_discover_server_trunking(struct nfs_client *clp,
struct nfs_client **, struct rpc_cred *);
#if defined(CONFIG_NFS_V4_1)
-struct rpc_cred *nfs4_get_machine_cred_locked(struct nfs_client *clp);
struct rpc_cred *nfs4_get_exchange_id_cred(struct nfs_client *clp);
int nfs41_discover_server_trunking(struct nfs_client *clp,
struct nfs_client **, struct rpc_cred *);
goto out_free;
}
nfs4_write_cached_acl(inode, pages, res.acl_data_offset, res.acl_len);
- if (buf)
+ if (buf) {
+ if (res.acl_len > buflen) {
+ ret = -ERANGE;
+ goto out_free;
+ }
_copy_from_pages(buf, pages, res.acl_data_offset, res.acl_len);
+ }
out_ok:
ret = res.acl_len;
out_free:
#if defined(CONFIG_NFS_V4_1)
#define NFS4_MAX_MACHINE_NAME_LEN (64)
+#define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \
+ sizeof(utsname()->version) + sizeof(utsname()->machine) + 8)
#define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \
encode_verifier_maxsz + \
1 /* nii_domain */ + \
XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
1 /* nii_name */ + \
- XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
+ XDR_QUADLEN(IMPL_NAME_LIMIT) + \
3 /* nii_date */)
#define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \
2 /* eir_clientid */ + \
struct compound_hdr *hdr)
{
__be32 *p;
- char impl_name[NFS4_OPAQUE_LIMIT];
+ char impl_name[IMPL_NAME_LIMIT];
int len = 0;
encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr);
if (send_implementation_id &&
sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 &&
sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN)
- <= NFS4_OPAQUE_LIMIT + 1)
+ <= sizeof(impl_name) + 1)
len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s",
utsname()->sysname, utsname()->release,
utsname()->version, utsname()->machine);
{
if (nfs_have_delegated_attributes(inode))
goto out;
- if (NFS_I(inode)->cache_validity & NFS_INO_REVAL_PAGECACHE)
+ if (NFS_I(inode)->cache_validity & (NFS_INO_INVALID_DATA|NFS_INO_REVAL_PAGECACHE))
return false;
out:
return PageUptodate(page) != 0;
goto out_destroy_write_mempool;
nfs_commit_mempool = mempool_create_slab_pool(MIN_POOL_COMMIT,
- nfs_wdata_cachep);
+ nfs_cdata_cachep);
if (nfs_commit_mempool == NULL)
goto out_destroy_commit_cache;
struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
mutex_lock(&sn->pipefs_sb_lock);
+ if (sn->pipefs_sb != sb) {
+ mutex_unlock(&sn->pipefs_sb_lock);
+ goto out;
+ }
sn->pipefs_sb = NULL;
mutex_unlock(&sn->pipefs_sb_lock);
- put_net(net);
dprintk("RPC: sending pipefs UMOUNT notification for net %p%s\n",
net, NET_NAME(net));
blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
RPC_PIPEFS_UMOUNT,
sb);
+ put_net(net);
+out:
kill_litter_super(sb);
}
projects / firefly-linux-kernel-4.4.55.git / commitdiff