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maccess: rename probe_kernel_address to get_kernel_nofault

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Better describe what this helper does, and match the naming of
copy_from_kernel_nofault.

Also switch the argument order around, so that it acts and looks
like get_user().

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig
2020-06-17 09:37:55 +02:00
committed by Linus Torvalds
parent c0ee37e85e
commit 25f12ae45f
20 changed files with 40 additions and 40 deletions
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4
arch/riscv/kernel/traps.c
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@@ -137,7 +137,7 @@ static inline unsigned long get_break_insn_length(unsigned long pc)
{
bug_insn_t insn;
if (probe_kernel_address((bug_insn_t *)pc, insn))
if (get_kernel_nofault(insn, (bug_insn_t *)pc))
return 0;
return GET_INSN_LENGTH(insn);
@@ -165,7 +165,7 @@ int is_valid_bugaddr(unsigned long pc)
if (pc < VMALLOC_START)
return 0;
if (probe_kernel_address((bug_insn_t *)pc, insn))
if (get_kernel_nofault(insn, (bug_insn_t *)pc))
return 0;
if ((insn & __INSN_LENGTH_MASK) == __INSN_LENGTH_32)
return (insn == __BUG_INSN_32);