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| author | phk <phk@FreeBSD.org> | 1999-10-30 06:32:05 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 1999-10-30 06:32:05 +0000 |
| commit | 8d8f53dcdc1e1126b75d084478a6ff0d4664f39d (patch) | |
| tree | 3c9df194f59066cf56f290cfea6886eefc551a5e /sys/amd64/amd64/mem.c | |
| parent | ad79c6009cc16320a9a1ee513845cb84a567ec52 (diff) | |
| download | FreeBSD-src-8d8f53dcdc1e1126b75d084478a6ff0d4664f39d.zip FreeBSD-src-8d8f53dcdc1e1126b75d084478a6ff0d4664f39d.tar.gz | |
Change useracc() and kernacc() to use VM_PROT_{READ|WRITE|EXECUTE} for the
"rw" argument, rather than hijacking B_{READ|WRITE}.
Fix two bugs (physio & cam) resulting by the confusion caused by this.
Submitted by: Tor.Egge@fast.no
Reviewed by: alc, ken (partly)
Diffstat (limited to 'sys/amd64/amd64/mem.c')
| -rw-r--r-- | sys/amd64/amd64/mem.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/amd64/amd64/mem.c b/sys/amd64/amd64/mem.c index 70dac4e..92c7b2d 100644 --- a/sys/amd64/amd64/mem.c +++ b/sys/amd64/amd64/mem.c @@ -204,7 +204,8 @@ mmrw(dev, uio, flags) return EFAULT; if (!kernacc((caddr_t)(int)uio->uio_offset, c, - uio->uio_rw == UIO_READ ? B_READ : B_WRITE)) + uio->uio_rw == UIO_READ ? + VM_PROT_READ : VM_PROT_WRITE)) return (EFAULT); error = uiomove((caddr_t)(int)uio->uio_offset, (int)c, uio); continue; |
