commit: f7ce3a80f59d837e3f2a129d78e019f54ee42faa Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Mon Sep 14 15:47:46 2015 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Mon Sep 14 15:47:46 2015 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=f7ce3a80
Linux patch 3.10.88 0000_README | 4 + 1087_linux-3.10.88.patch | 285 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 289 insertions(+) diff --git a/0000_README b/0000_README index f2882cc..ad2e99c 100644 --- a/0000_README +++ b/0000_README @@ -390,6 +390,10 @@ Patch: 1086_linux-3.10.87.patch From: http://www.kernel.org Desc: Linux 3.10.87 +Patch: 1087_linux-3.10.88.patch +From: http://www.kernel.org +Desc: Linux 3.10.88 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1087_linux-3.10.88.patch b/1087_linux-3.10.88.patch new file mode 100644 index 0000000..b6de808 --- /dev/null +++ b/1087_linux-3.10.88.patch @@ -0,0 +1,285 @@ +diff --git a/Makefile b/Makefile +index 0d4fd6427349..e94ce68ecf87 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 3 + PATCHLEVEL = 10 +-SUBLEVEL = 87 ++SUBLEVEL = 88 + EXTRAVERSION = + NAME = TOSSUG Baby Fish + +diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c +index 7c7be7855638..8aaf073ee078 100644 +--- a/arch/arm64/mm/mmap.c ++++ b/arch/arm64/mm/mmap.c +@@ -47,22 +47,14 @@ static int mmap_is_legacy(void) + return sysctl_legacy_va_layout; + } + +-/* +- * Since get_random_int() returns the same value within a 1 jiffy window, we +- * will almost always get the same randomisation for the stack and mmap +- * region. This will mean the relative distance between stack and mmap will be +- * the same. +- * +- * To avoid this we can shift the randomness by 1 bit. +- */ + static unsigned long mmap_rnd(void) + { + unsigned long rnd = 0; + + if (current->flags & PF_RANDOMIZE) +- rnd = (long)get_random_int() & (STACK_RND_MASK >> 1); ++ rnd = (long)get_random_int() & STACK_RND_MASK; + +- return rnd << (PAGE_SHIFT + 1); ++ return rnd << PAGE_SHIFT; + } + + static unsigned long mmap_base(void) +diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c +index 84573b4d6f92..dda43cc4b6cd 100644 +--- a/drivers/crypto/caam/caamhash.c ++++ b/drivers/crypto/caam/caamhash.c +@@ -895,13 +895,14 @@ static int ahash_final_ctx(struct ahash_request *req) + state->buflen_1; + u32 *sh_desc = ctx->sh_desc_fin, *desc; + dma_addr_t ptr = ctx->sh_desc_fin_dma; +- int sec4_sg_bytes; ++ int sec4_sg_bytes, sec4_sg_src_index; + int digestsize = crypto_ahash_digestsize(ahash); + struct ahash_edesc *edesc; + int ret = 0; + int sh_len; + +- sec4_sg_bytes = (1 + (buflen ? 1 : 0)) * sizeof(struct sec4_sg_entry); ++ sec4_sg_src_index = 1 + (buflen ? 1 : 0); ++ sec4_sg_bytes = sec4_sg_src_index * sizeof(struct sec4_sg_entry); + + /* allocate space for base edesc and hw desc commands, link tables */ + edesc = kmalloc(sizeof(struct ahash_edesc) + DESC_JOB_IO_LEN + +@@ -928,7 +929,7 @@ static int ahash_final_ctx(struct ahash_request *req) + state->buf_dma = try_buf_map_to_sec4_sg(jrdev, edesc->sec4_sg + 1, + buf, state->buf_dma, buflen, + last_buflen); +- (edesc->sec4_sg + sec4_sg_bytes - 1)->len |= SEC4_SG_LEN_FIN; ++ (edesc->sec4_sg + sec4_sg_src_index - 1)->len |= SEC4_SG_LEN_FIN; + + append_seq_in_ptr(desc, edesc->sec4_sg_dma, ctx->ctx_len + buflen, + LDST_SGF); +diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c +index ef6b7e08f485..5c361f3c66aa 100644 +--- a/drivers/edac/ppc4xx_edac.c ++++ b/drivers/edac/ppc4xx_edac.c +@@ -921,7 +921,7 @@ static int ppc4xx_edac_init_csrows(struct mem_ctl_info *mci, u32 mcopt1) + */ + + for (row = 0; row < mci->nr_csrows; row++) { +- struct csrow_info *csi = &mci->csrows[row]; ++ struct csrow_info *csi = mci->csrows[row]; + + /* + * Get the configuration settings for this +diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c +index 3b1503dc1f13..43f6250baadd 100644 +--- a/drivers/md/dm-thin-metadata.c ++++ b/drivers/md/dm-thin-metadata.c +@@ -1281,8 +1281,8 @@ static int __release_metadata_snap(struct dm_pool_metadata *pmd) + return r; + + disk_super = dm_block_data(copy); +- dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->data_mapping_root)); +- dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->device_details_root)); ++ dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root)); ++ dm_btree_del(&pmd->details_info, le64_to_cpu(disk_super->device_details_root)); + dm_sm_dec_block(pmd->metadata_sm, held_root); + + return dm_tm_unlock(pmd->tm, copy); +diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c +index 09c81b2f2169..42c46dc19537 100644 +--- a/drivers/scsi/libfc/fc_fcp.c ++++ b/drivers/scsi/libfc/fc_fcp.c +@@ -1039,11 +1039,26 @@ restart: + fc_fcp_pkt_hold(fsp); + spin_unlock_irqrestore(&si->scsi_queue_lock, flags); + +- if (!fc_fcp_lock_pkt(fsp)) { ++ spin_lock_bh(&fsp->scsi_pkt_lock); ++ if (!(fsp->state & FC_SRB_COMPL)) { ++ fsp->state |= FC_SRB_COMPL; ++ /* ++ * TODO: dropping scsi_pkt_lock and then reacquiring ++ * again around fc_fcp_cleanup_cmd() is required, ++ * since fc_fcp_cleanup_cmd() calls into ++ * fc_seq_set_resp() and that func preempts cpu using ++ * schedule. May be schedule and related code should be ++ * removed instead of unlocking here to avoid scheduling ++ * while atomic bug. ++ */ ++ spin_unlock_bh(&fsp->scsi_pkt_lock); ++ + fc_fcp_cleanup_cmd(fsp, error); ++ ++ spin_lock_bh(&fsp->scsi_pkt_lock); + fc_io_compl(fsp); +- fc_fcp_unlock_pkt(fsp); + } ++ spin_unlock_bh(&fsp->scsi_pkt_lock); + + fc_fcp_pkt_release(fsp); + spin_lock_irqsave(&si->scsi_queue_lock, flags); +diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h +index d7b717090f2f..2b5c3bc3b081 100644 +--- a/include/drm/drm_pciids.h ++++ b/include/drm/drm_pciids.h +@@ -150,6 +150,7 @@ + {0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ ++ {0x1002, 0x6617, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ +diff --git a/ipc/sem.c b/ipc/sem.c +index db9d241af133..47a15192b8b8 100644 +--- a/ipc/sem.c ++++ b/ipc/sem.c +@@ -253,6 +253,16 @@ static void sem_rcu_free(struct rcu_head *head) + } + + /* ++ * spin_unlock_wait() and !spin_is_locked() are not memory barriers, they ++ * are only control barriers. ++ * The code must pair with spin_unlock(&sem->lock) or ++ * spin_unlock(&sem_perm.lock), thus just the control barrier is insufficient. ++ * ++ * smp_rmb() is sufficient, as writes cannot pass the control barrier. ++ */ ++#define ipc_smp_acquire__after_spin_is_unlocked() smp_rmb() ++ ++/* + * Wait until all currently ongoing simple ops have completed. + * Caller must own sem_perm.lock. + * New simple ops cannot start, because simple ops first check +@@ -275,6 +285,7 @@ static void sem_wait_array(struct sem_array *sma) + sem = sma->sem_base + i; + spin_unlock_wait(&sem->lock); + } ++ ipc_smp_acquire__after_spin_is_unlocked(); + } + + /* +@@ -326,8 +337,13 @@ static inline int sem_lock(struct sem_array *sma, struct sembuf *sops, + + /* Then check that the global lock is free */ + if (!spin_is_locked(&sma->sem_perm.lock)) { +- /* spin_is_locked() is not a memory barrier */ +- smp_mb(); ++ /* ++ * We need a memory barrier with acquire semantics, ++ * otherwise we can race with another thread that does: ++ * complex_count++; ++ * spin_unlock(sem_perm.lock); ++ */ ++ ipc_smp_acquire__after_spin_is_unlocked(); + + /* Now repeat the test of complex_count: + * It can't change anymore until we drop sem->lock. +@@ -2049,17 +2065,28 @@ void exit_sem(struct task_struct *tsk) + rcu_read_lock(); + un = list_entry_rcu(ulp->list_proc.next, + struct sem_undo, list_proc); +- if (&un->list_proc == &ulp->list_proc) +- semid = -1; +- else +- semid = un->semid; ++ if (&un->list_proc == &ulp->list_proc) { ++ /* ++ * We must wait for freeary() before freeing this ulp, ++ * in case we raced with last sem_undo. There is a small ++ * possibility where we exit while freeary() didn't ++ * finish unlocking sem_undo_list. ++ */ ++ spin_unlock_wait(&ulp->lock); ++ rcu_read_unlock(); ++ break; ++ } ++ spin_lock(&ulp->lock); ++ semid = un->semid; ++ spin_unlock(&ulp->lock); + ++ /* exit_sem raced with IPC_RMID, nothing to do */ + if (semid == -1) { + rcu_read_unlock(); +- break; ++ continue; + } + +- sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, un->semid); ++ sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid); + /* exit_sem raced with IPC_RMID, nothing to do */ + if (IS_ERR(sma)) { + rcu_read_unlock(); +diff --git a/kernel/events/core.c b/kernel/events/core.c +index 7daf52c340cd..d9b0aad17dbf 100644 +--- a/kernel/events/core.c ++++ b/kernel/events/core.c +@@ -3993,12 +3993,20 @@ static const struct file_operations perf_fops = { + * to user-space before waking everybody up. + */ + ++static inline struct fasync_struct **perf_event_fasync(struct perf_event *event) ++{ ++ /* only the parent has fasync state */ ++ if (event->parent) ++ event = event->parent; ++ return &event->fasync; ++} ++ + void perf_event_wakeup(struct perf_event *event) + { + ring_buffer_wakeup(event); + + if (event->pending_kill) { +- kill_fasync(&event->fasync, SIGIO, event->pending_kill); ++ kill_fasync(perf_event_fasync(event), SIGIO, event->pending_kill); + event->pending_kill = 0; + } + } +@@ -5153,7 +5161,7 @@ static int __perf_event_overflow(struct perf_event *event, + else + perf_event_output(event, data, regs); + +- if (event->fasync && event->pending_kill) { ++ if (*perf_event_fasync(event) && event->pending_kill) { + event->pending_wakeup = 1; + irq_work_queue(&event->pending); + } +diff --git a/mm/memory-failure.c b/mm/memory-failure.c +index ca96f411b034..f97d709594e6 100644 +--- a/mm/memory-failure.c ++++ b/mm/memory-failure.c +@@ -1473,6 +1473,8 @@ static int get_any_page(struct page *page, unsigned long pfn, int flags) + */ + ret = __get_any_page(page, pfn, 0); + if (!PageLRU(page)) { ++ /* Drop page reference which is from __get_any_page() */ ++ put_page(page); + pr_info("soft_offline: %#lx: unknown non LRU page type %lx\n", + pfn, page->flags); + return -EIO; +diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl +index 4606cdfb859d..7dd7c391b4d8 100644 +--- a/scripts/kconfig/streamline_config.pl ++++ b/scripts/kconfig/streamline_config.pl +@@ -137,7 +137,7 @@ my $ksource = ($ARGV[0] ? $ARGV[0] : '.'); + my $kconfig = $ARGV[1]; + my $lsmod_file = $ENV{'LSMOD'}; + +-my @makefiles = `find $ksource -name Makefile 2>/dev/null`; ++my @makefiles = `find $ksource -name Makefile -or -name Kbuild 2>/dev/null`; + chomp @makefiles; + + my %depends;
