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maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault

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Better describe what these functions do.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
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 09:37:53 +02:00
committed by Linus Torvalds
parent b3a9e3b962
commit fe557319aa
50 changed files with 138 additions and 122 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/debug/debug_core.c
+3 -3
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@@ -169,18 +169,18 @@ int __weak kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
{
int err;
err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr,
err = copy_from_kernel_nofault(bpt->saved_instr, (char *)bpt->bpt_addr,
BREAK_INSTR_SIZE);
if (err)
return err;
err = probe_kernel_write((char *)bpt->bpt_addr,
err = copy_to_kernel_nofault((char *)bpt->bpt_addr,
arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE);
return err;
}
int __weak kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
{
return probe_kernel_write((char *)bpt->bpt_addr,
return copy_to_kernel_nofault((char *)bpt->bpt_addr,
(char *)bpt->saved_instr, BREAK_INSTR_SIZE);
}