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| author |   Roland McGrath <roland@redhat.com> | 2007-01-25 17:19:51 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-01-25 17:50:37 -0800 |
| commit | 5ad0d383ddbf0d2fce43b8aac267a6c299fd2dff (patch) | |
| tree | a331a5c7a9796678073fad8e1a5e9dfa053cd6b5 /include/asm-x86_64 | |
| parent | Linux 2.6.20-rc6 (diff) | |
| download | linux-dev-5ad0d383ddbf0d2fce43b8aac267a6c299fd2dff.tar.xz linux-dev-5ad0d383ddbf0d2fce43b8aac267a6c299fd2dff.zip | |
[PATCH] x86_64: fix put_user for 64-bit constant
On x86-64, a put_user call using a 64-bit pointer and a constant value that
is > 0xffffffff will produce code that doesn't assemble. This patch fixes
the asm construct to use the Z constraint for 32-bit constants.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h index d5dbc87274f8..c0eac519840b 100644 --- a/include/asm-x86_64/uaccess.h +++ b/include/asm-x86_64/uaccess.h @@ -157,7 +157,7 @@ do { \ case 1: __put_user_asm(x,ptr,retval,"b","b","iq",-EFAULT); break;\ case 2: __put_user_asm(x,ptr,retval,"w","w","ir",-EFAULT); break;\ case 4: __put_user_asm(x,ptr,retval,"l","k","ir",-EFAULT); break;\ - case 8: __put_user_asm(x,ptr,retval,"q","","ir",-EFAULT); break;\ + case 8: __put_user_asm(x,ptr,retval,"q","","Zr",-EFAULT); break;\ default: __put_user_bad(); \ } \ } while (0) |