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-rw-r--r--include/linux/blkdev.h5
-rw-r--r--include/linux/console_struct.h1
-rw-r--r--include/linux/elevator.h2
-rw-r--r--include/linux/libnvdimm.h1
-rw-r--r--include/linux/mm.h32
-rw-r--r--include/linux/mm_types.h4
-rw-r--r--include/linux/pagemap.h6
-rw-r--r--include/linux/pm.h1
-rw-r--r--include/linux/randomize_kstack.h2
-rw-r--r--include/net/page_pool.h12
-rw-r--r--include/uapi/linux/fs.h2
-rw-r--r--include/xen/arm/swiotlb-xen.h15
12 files changed, 67 insertions, 16 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1255823b2bc0..f69c75bd6d27 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -676,11 +676,6 @@ bool blk_queue_flag_test_and_set(unsigned int flag, struct request_queue *q);
extern void blk_set_pm_only(struct request_queue *q);
extern void blk_clear_pm_only(struct request_queue *q);
-static inline bool blk_account_rq(struct request *rq)
-{
- return (rq->rq_flags & RQF_STARTED) && !blk_rq_is_passthrough(rq);
-}
-
#define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist)
#define rq_data_dir(rq) (op_is_write(req_op(rq)) ? WRITE : READ)
diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h
index 153734816b49..d5b9c8d40c18 100644
--- a/include/linux/console_struct.h
+++ b/include/linux/console_struct.h
@@ -101,6 +101,7 @@ struct vc_data {
unsigned int vc_rows;
unsigned int vc_size_row; /* Bytes per row */
unsigned int vc_scan_lines; /* # of scan lines */
+ unsigned int vc_cell_height; /* CRTC character cell height */
unsigned long vc_origin; /* [!] Start of real screen */
unsigned long vc_scr_end; /* [!] End of real screen */
unsigned long vc_visible_origin; /* [!] Top of visible window */
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 1fe8e105b83b..dcb2f9022c1d 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -34,7 +34,7 @@ struct elevator_mq_ops {
void (*depth_updated)(struct blk_mq_hw_ctx *);
bool (*allow_merge)(struct request_queue *, struct request *, struct bio *);
- bool (*bio_merge)(struct blk_mq_hw_ctx *, struct bio *, unsigned int);
+ bool (*bio_merge)(struct request_queue *, struct bio *, unsigned int);
int (*request_merge)(struct request_queue *q, struct request **, struct bio *);
void (*request_merged)(struct request_queue *, struct request *, enum elv_merge);
void (*requests_merged)(struct request_queue *, struct request *, struct request *);
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index 01f251b6e36c..89b69e645ac7 100644
--- a/include/linux/libnvdimm.h
+++ b/include/linux/libnvdimm.h
@@ -141,7 +141,6 @@ static inline void __iomem *devm_nvdimm_ioremap(struct device *dev,
struct nvdimm_bus;
struct module;
-struct device;
struct nd_blk_region;
struct nd_blk_region_desc {
int (*enable)(struct nvdimm_bus *nvdimm_bus, struct device *dev);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 322ec61d0da7..c274f75efcf9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3216,5 +3216,37 @@ void mem_dump_obj(void *object);
static inline void mem_dump_obj(void *object) {}
#endif
+/**
+ * seal_check_future_write - Check for F_SEAL_FUTURE_WRITE flag and handle it
+ * @seals: the seals to check
+ * @vma: the vma to operate on
+ *
+ * Check whether F_SEAL_FUTURE_WRITE is set; if so, do proper check/handling on
+ * the vma flags. Return 0 if check pass, or <0 for errors.
+ */
+static inline int seal_check_future_write(int seals, struct vm_area_struct *vma)
+{
+ if (seals & F_SEAL_FUTURE_WRITE) {
+ /*
+ * New PROT_WRITE and MAP_SHARED mmaps are not allowed when
+ * "future write" seal active.
+ */
+ if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
+ return -EPERM;
+
+ /*
+ * Since an F_SEAL_FUTURE_WRITE sealed memfd can be mapped as
+ * MAP_SHARED and read-only, take care to not allow mprotect to
+ * revert protections on such mappings. Do this only for shared
+ * mappings. For private mappings, don't need to mask
+ * VM_MAYWRITE as we still want them to be COW-writable.
+ */
+ if (vma->vm_flags & VM_SHARED)
+ vma->vm_flags &= ~(VM_MAYWRITE);
+ }
+
+ return 0;
+}
+
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 6613b26a8894..5aacc1c10a45 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -97,10 +97,10 @@ struct page {
};
struct { /* page_pool used by netstack */
/**
- * @dma_addr: might require a 64-bit value even on
+ * @dma_addr: might require a 64-bit value on
* 32-bit architectures.
*/
- dma_addr_t dma_addr;
+ unsigned long dma_addr[2];
};
struct { /* slab, slob and slub */
union {
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index a4bd41128bf3..e89df447fae3 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -997,9 +997,9 @@ static inline loff_t readahead_pos(struct readahead_control *rac)
* readahead_length - The number of bytes in this readahead request.
* @rac: The readahead request.
*/
-static inline loff_t readahead_length(struct readahead_control *rac)
+static inline size_t readahead_length(struct readahead_control *rac)
{
- return (loff_t)rac->_nr_pages * PAGE_SIZE;
+ return rac->_nr_pages * PAGE_SIZE;
}
/**
@@ -1024,7 +1024,7 @@ static inline unsigned int readahead_count(struct readahead_control *rac)
* readahead_batch_length - The number of bytes in the current batch.
* @rac: The readahead request.
*/
-static inline loff_t readahead_batch_length(struct readahead_control *rac)
+static inline size_t readahead_batch_length(struct readahead_control *rac)
{
return rac->_batch_count * PAGE_SIZE;
}
diff --git a/include/linux/pm.h b/include/linux/pm.h
index c9657408fee1..1d8209c09686 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -601,6 +601,7 @@ struct dev_pm_info {
unsigned int idle_notification:1;
unsigned int request_pending:1;
unsigned int deferred_resume:1;
+ unsigned int needs_force_resume:1;
unsigned int runtime_auto:1;
bool ignore_children:1;
unsigned int no_callbacks:1;
diff --git a/include/linux/randomize_kstack.h b/include/linux/randomize_kstack.h
index fd80fab663a9..bebc911161b6 100644
--- a/include/linux/randomize_kstack.h
+++ b/include/linux/randomize_kstack.h
@@ -38,7 +38,7 @@ void *__builtin_alloca(size_t size);
u32 offset = raw_cpu_read(kstack_offset); \
u8 *ptr = __builtin_alloca(KSTACK_OFFSET_MAX(offset)); \
/* Keep allocation even after "ptr" loses scope. */ \
- asm volatile("" : "=o"(*ptr) :: "memory"); \
+ asm volatile("" :: "r"(ptr) : "memory"); \
} \
} while (0)
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 6d517a37c18b..b4b6de909c93 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -198,7 +198,17 @@ static inline void page_pool_recycle_direct(struct page_pool *pool,
static inline dma_addr_t page_pool_get_dma_addr(struct page *page)
{
- return page->dma_addr;
+ dma_addr_t ret = page->dma_addr[0];
+ if (sizeof(dma_addr_t) > sizeof(unsigned long))
+ ret |= (dma_addr_t)page->dma_addr[1] << 16 << 16;
+ return ret;
+}
+
+static inline void page_pool_set_dma_addr(struct page *page, dma_addr_t addr)
+{
+ page->dma_addr[0] = addr;
+ if (sizeof(dma_addr_t) > sizeof(unsigned long))
+ page->dma_addr[1] = upper_32_bits(addr);
}
static inline bool is_page_pool_compiled_in(void)
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index f44eb0a04afd..4c32e97dcdf0 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -185,7 +185,7 @@ struct fsxattr {
#define BLKROTATIONAL _IO(0x12,126)
#define BLKZEROOUT _IO(0x12,127)
/*
- * A jump here: 130-131 are reserved for zoned block devices
+ * A jump here: 130-136 are reserved for zoned block devices
* (see uapi/linux/blkzoned.h)
*/
diff --git a/include/xen/arm/swiotlb-xen.h b/include/xen/arm/swiotlb-xen.h
index 2994fe6031a0..33336ab58afc 100644
--- a/include/xen/arm/swiotlb-xen.h
+++ b/include/xen/arm/swiotlb-xen.h
@@ -2,6 +2,19 @@
#ifndef _ASM_ARM_SWIOTLB_XEN_H
#define _ASM_ARM_SWIOTLB_XEN_H
-extern int xen_swiotlb_detect(void);
+#include <xen/features.h>
+#include <xen/xen.h>
+
+static inline int xen_swiotlb_detect(void)
+{
+ if (!xen_domain())
+ return 0;
+ if (xen_feature(XENFEAT_direct_mapped))
+ return 1;
+ /* legacy case */
+ if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain())
+ return 1;
+ return 0;
+}
#endif /* _ASM_ARM_SWIOTLB_XEN_H */