diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/cxl/cxllib.c | 9 | ||||
| -rw-r--r-- | drivers/misc/cxl/fault.c | 4 | ||||
| -rw-r--r-- | drivers/misc/genwqe/card_utils.c | 2 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grufault.c | 25 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grufile.c | 4 |
5 files changed, 21 insertions, 23 deletions
diff --git a/drivers/misc/cxl/cxllib.c b/drivers/misc/cxl/cxllib.c index 258c43a95ac3..2a1783f32254 100644 --- a/drivers/misc/cxl/cxllib.c +++ b/drivers/misc/cxl/cxllib.c @@ -207,7 +207,7 @@ static int get_vma_info(struct mm_struct *mm, u64 addr, struct vm_area_struct *vma = NULL; int rc = 0; - down_read(&mm->mmap_sem); + mmap_read_lock(mm); vma = find_vma(mm, addr); if (!vma) { @@ -218,7 +218,7 @@ static int get_vma_info(struct mm_struct *mm, u64 addr, *vma_start = vma->vm_start; *vma_end = vma->vm_end; out: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return rc; } @@ -245,9 +245,8 @@ int cxllib_handle_fault(struct mm_struct *mm, u64 addr, u64 size, u64 flags) dar += page_size) { if (dar < vma_start || dar >= vma_end) { /* - * We don't hold the mm->mmap_sem semaphore - * while iterating, since the semaphore is - * required by one of the lower-level page + * We don't hold mm->mmap_lock while iterating, since + * the lock is required by one of the lower-level page * fault processing functions and it could * create a deadlock. * diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index 2297e6fc1544..01153b74334a 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -321,7 +321,7 @@ static void cxl_prefault_vma(struct cxl_context *ctx) return; } - down_read(&mm->mmap_sem); + mmap_read_lock(mm); for (vma = mm->mmap; vma; vma = vma->vm_next) { for (ea = vma->vm_start; ea < vma->vm_end; ea = next_segment(ea, slb.vsid)) { @@ -336,7 +336,7 @@ static void cxl_prefault_vma(struct cxl_context *ctx) last_esid = slb.esid; } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); mmput(mm); } diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c index 60460a053b2d..77c21caf2acd 100644 --- a/drivers/misc/genwqe/card_utils.c +++ b/drivers/misc/genwqe/card_utils.c @@ -27,7 +27,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/delay.h> -#include <asm/pgtable.h> +#include <linux/pgtable.h> #include "genwqe_driver.h" #include "card_base.h" diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 4b713a80b572..b1521112dbbd 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -21,7 +21,6 @@ #include <linux/uaccess.h> #include <linux/security.h> #include <linux/prefetch.h> -#include <asm/pgtable.h> #include "gru.h" #include "grutables.h" #include "grulib.h" @@ -43,7 +42,7 @@ static inline int is_gru_paddr(unsigned long paddr) } /* - * Find the vma of a GRU segment. Caller must hold mmap_sem. + * Find the vma of a GRU segment. Caller must hold mmap_lock. */ struct vm_area_struct *gru_find_vma(unsigned long vaddr) { @@ -59,7 +58,7 @@ struct vm_area_struct *gru_find_vma(unsigned long vaddr) * Find and lock the gts that contains the specified user vaddr. * * Returns: - * - *gts with the mmap_sem locked for read and the GTS locked. + * - *gts with the mmap_lock locked for read and the GTS locked. * - NULL if vaddr invalid OR is not a valid GSEG vaddr. */ @@ -69,14 +68,14 @@ static struct gru_thread_state *gru_find_lock_gts(unsigned long vaddr) struct vm_area_struct *vma; struct gru_thread_state *gts = NULL; - down_read(&mm->mmap_sem); + mmap_read_lock(mm); vma = gru_find_vma(vaddr); if (vma) gts = gru_find_thread_state(vma, TSID(vaddr, vma)); if (gts) mutex_lock(>s->ts_ctxlock); else - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return gts; } @@ -86,7 +85,7 @@ static struct gru_thread_state *gru_alloc_locked_gts(unsigned long vaddr) struct vm_area_struct *vma; struct gru_thread_state *gts = ERR_PTR(-EINVAL); - down_write(&mm->mmap_sem); + mmap_write_lock(mm); vma = gru_find_vma(vaddr); if (!vma) goto err; @@ -95,11 +94,11 @@ static struct gru_thread_state *gru_alloc_locked_gts(unsigned long vaddr) if (IS_ERR(gts)) goto err; mutex_lock(>s->ts_ctxlock); - downgrade_write(&mm->mmap_sem); + mmap_write_downgrade(mm); return gts; err: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return gts; } @@ -109,7 +108,7 @@ err: static void gru_unlock_gts(struct gru_thread_state *gts) { mutex_unlock(>s->ts_ctxlock); - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); } /* @@ -199,7 +198,7 @@ static int non_atomic_pte_lookup(struct vm_area_struct *vma, * Only supports Intel large pages (2MB only) on x86_64. * ZZZ - hugepage support is incomplete * - * NOTE: mmap_sem is already held on entry to this function. This + * NOTE: mmap_lock is already held on entry to this function. This * guarantees existence of the page tables. */ static int atomic_pte_lookup(struct vm_area_struct *vma, unsigned long vaddr, @@ -570,14 +569,14 @@ static irqreturn_t gru_intr(int chiplet, int blade) } /* - * This is running in interrupt context. Trylock the mmap_sem. + * This is running in interrupt context. Trylock the mmap_lock. * If it fails, retry the fault in user context. */ gts->ustats.fmm_tlbmiss++; if (!gts->ts_force_cch_reload && - down_read_trylock(>s->ts_mm->mmap_sem)) { + mmap_read_trylock(gts->ts_mm)) { gru_try_dropin(gru, gts, tfh, NULL); - up_read(>s->ts_mm->mmap_sem); + mmap_read_unlock(gts->ts_mm); } else { tfh_user_polling_mode(tfh); STAT(intr_mm_lock_failed); diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index 9d042310214f..93bb49ddda1f 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -135,7 +135,7 @@ static int gru_create_new_context(unsigned long arg) if (!(req.options & GRU_OPT_MISS_MASK)) req.options |= GRU_OPT_MISS_FMM_INTR; - down_write(¤t->mm->mmap_sem); + mmap_write_lock(current->mm); vma = gru_find_vma(req.gseg); if (vma) { vdata = vma->vm_private_data; @@ -146,7 +146,7 @@ static int gru_create_new_context(unsigned long arg) vdata->vd_tlb_preload_count = req.tlb_preload_count; ret = 0; } - up_write(¤t->mm->mmap_sem); + mmap_write_unlock(current->mm); return ret; } |