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| author |   Rob Herring <robh@kernel.org> | 2020-06-12 09:57:00 -0600 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2020-06-12 09:57:00 -0600 |
| commit | 8440d4a75d90556cfb8fb3e244443f67381aafd6 (patch) | |
| tree | 2e1c986942c3beb6257121e52449f827a8ce4eaf /arch/unicore32/mm/fault.c | |
| parent | scripts/dtc: use pkg-config to include <yaml.h> in non-standard path (diff) | |
| parent | dt-bindings: Remove redundant 'maxItems' (diff) | |
| download | wireguard-linux-8440d4a75d90556cfb8fb3e244443f67381aafd6.tar.xz wireguard-linux-8440d4a75d90556cfb8fb3e244443f67381aafd6.zip | |
Merge branch 'dt/schema-cleanups' into dt/linus
Diffstat (limited to 'arch/unicore32/mm/fault.c')
| -rw-r--r-- | arch/unicore32/mm/fault.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c index 3022104aa613..7654bddde133 100644 --- a/arch/unicore32/mm/fault.c +++ b/arch/unicore32/mm/fault.c @@ -17,7 +17,6 @@ #include <linux/sched/signal.h> #include <linux/io.h> -#include <asm/pgtable.h> #include <asm/tlbflush.h> /* @@ -224,12 +223,12 @@ static int do_pf(unsigned long addr, unsigned int fsr, struct pt_regs *regs) * validly references user space from well defined areas of the code, * we can bug out early if this is from code which shouldn't. */ - if (!down_read_trylock(&mm->mmap_sem)) { + if (!mmap_read_trylock(mm)) { if (!user_mode(regs) && !search_exception_tables(regs->UCreg_pc)) goto no_context; retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); } else { /* * The above down_read_trylock() might have succeeded in @@ -247,7 +246,7 @@ retry: fault = __do_pf(mm, addr, fsr, flags, tsk); /* If we need to retry but a fatal signal is pending, handle the - * signal first. We do not need to release the mmap_sem because + * signal first. We do not need to release the mmap_lock because * it would already be released in __lock_page_or_retry in * mm/filemap.c. */ if (fault_signal_pending(fault, regs)) @@ -264,7 +263,7 @@ retry: } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* * Handle the "normal" case first - VM_FAULT_MAJOR |