diff options
Diffstat (limited to '4.8.7/1002_linux-4.8.3.patch')
| -rw-r--r-- | 4.8.7/1002_linux-4.8.3.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/4.8.7/1002_linux-4.8.3.patch b/4.8.7/1002_linux-4.8.3.patch new file mode 100644 index 0000000..4b4c68a --- /dev/null +++ b/4.8.7/1002_linux-4.8.3.patch @@ -0,0 +1,125 @@ +diff --git a/Makefile b/Makefile +index bf6e44a..42eb45c 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 8 +-SUBLEVEL = 2 ++SUBLEVEL = 3 + EXTRAVERSION = + NAME = Psychotic Stoned Sheep + +diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c +index ec6381e..258a3f9 100644 +--- a/drivers/scsi/hosts.c ++++ b/drivers/scsi/hosts.c +@@ -246,10 +246,6 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, + + shost->dma_dev = dma_dev; + +- error = device_add(&shost->shost_gendev); +- if (error) +- goto out_destroy_freelist; +- + /* + * Increase usage count temporarily here so that calling + * scsi_autopm_put_host() will trigger runtime idle if there is +@@ -260,6 +256,10 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, + pm_runtime_enable(&shost->shost_gendev); + device_enable_async_suspend(&shost->shost_gendev); + ++ error = device_add(&shost->shost_gendev); ++ if (error) ++ goto out_destroy_freelist; ++ + scsi_host_set_state(shost, SHOST_RUNNING); + get_device(shost->shost_gendev.parent); + +@@ -309,6 +309,10 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, + out_del_gendev: + device_del(&shost->shost_gendev); + out_destroy_freelist: ++ device_disable_async_suspend(&shost->shost_gendev); ++ pm_runtime_disable(&shost->shost_gendev); ++ pm_runtime_set_suspended(&shost->shost_gendev); ++ pm_runtime_put_noidle(&shost->shost_gendev); + scsi_destroy_command_freelist(shost); + out_destroy_tags: + if (shost_use_blk_mq(shost)) +diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c +index ea62245..6290093 100644 +--- a/fs/xfs/xfs_xattr.c ++++ b/fs/xfs/xfs_xattr.c +@@ -147,6 +147,7 @@ __xfs_xattr_put_listent( + arraytop = context->count + prefix_len + namelen + 1; + if (arraytop > context->firstu) { + context->count = -1; /* insufficient space */ ++ context->seen_enough = 1; + return 0; + } + offset = (char *)context->alist + context->count; +diff --git a/include/linux/mm.h b/include/linux/mm.h +index ef815b9..277cd39 100644 +--- a/include/linux/mm.h ++++ b/include/linux/mm.h +@@ -2234,6 +2234,7 @@ static inline struct page *follow_page(struct vm_area_struct *vma, + #define FOLL_TRIED 0x800 /* a retry, previous pass started an IO */ + #define FOLL_MLOCK 0x1000 /* lock present pages */ + #define FOLL_REMOTE 0x2000 /* we are working on non-current tsk/mm */ ++#define FOLL_COW 0x4000 /* internal GUP flag */ + + typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr, + void *data); +diff --git a/include/media/rcar-fcp.h b/include/media/rcar-fcp.h +index 4c7fc77..8723f05 100644 +--- a/include/media/rcar-fcp.h ++++ b/include/media/rcar-fcp.h +@@ -29,7 +29,7 @@ static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np) + static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { } + static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp) + { +- return -ENOSYS; ++ return 0; + } + static inline void rcar_fcp_disable(struct rcar_fcp_device *fcp) { } + #endif +diff --git a/mm/gup.c b/mm/gup.c +index 96b2b2f..22cc22e 100644 +--- a/mm/gup.c ++++ b/mm/gup.c +@@ -60,6 +60,16 @@ static int follow_pfn_pte(struct vm_area_struct *vma, unsigned long address, + return -EEXIST; + } + ++/* ++ * FOLL_FORCE can write to even unwritable pte's, but only ++ * after we've gone through a COW cycle and they are dirty. ++ */ ++static inline bool can_follow_write_pte(pte_t pte, unsigned int flags) ++{ ++ return pte_write(pte) || ++ ((flags & FOLL_FORCE) && (flags & FOLL_COW) && pte_dirty(pte)); ++} ++ + static struct page *follow_page_pte(struct vm_area_struct *vma, + unsigned long address, pmd_t *pmd, unsigned int flags) + { +@@ -95,7 +105,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma, + } + if ((flags & FOLL_NUMA) && pte_protnone(pte)) + goto no_page; +- if ((flags & FOLL_WRITE) && !pte_write(pte)) { ++ if ((flags & FOLL_WRITE) && !can_follow_write_pte(pte, flags)) { + pte_unmap_unlock(ptep, ptl); + return NULL; + } +@@ -412,7 +422,7 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma, + * reCOWed by userspace write). + */ + if ((ret & VM_FAULT_WRITE) && !(vma->vm_flags & VM_WRITE)) +- *flags &= ~FOLL_WRITE; ++ *flags |= FOLL_COW; + return 0; + } + |