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author | Rusty Russell <rusty@rustcorp.com.au> | 2015-02-11 15:15:10 +1030 |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2015-02-11 16:47:33 +1030 |
commit | 7313d5217e6b9817897172d6a6ff477bdc415ed6 (patch) | |
tree | 448fc79d9048af296aeb6c6fbbf5da84dc6f7046 /tools/lguest | |
parent | d1c29465b8a52d8fc5a59aac92c6b206b69fe631 (diff) | |
download | lwn-7313d5217e6b9817897172d6a6ff477bdc415ed6.tar.gz lwn-7313d5217e6b9817897172d6a6ff477bdc415ed6.zip |
lguest: add iomem region, where guest page faults get sent to userspace.
This lets us implement PCI.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'tools/lguest')
-rw-r--r-- | tools/lguest/lguest.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c index 485fe13db12e..02f353989e6c 100644 --- a/tools/lguest/lguest.c +++ b/tools/lguest/lguest.c @@ -548,7 +548,8 @@ static void tell_kernel(unsigned long start) { unsigned long args[] = { LHREQ_INITIALIZE, (unsigned long)guest_base, - guest_limit / getpagesize(), start }; + guest_limit / getpagesize(), start, + guest_limit / getpagesize() }; verbose("Guest: %p - %p (%#lx)\n", guest_base, guest_base + guest_limit, guest_limit); lguest_fd = open_or_die("/dev/lguest", O_RDWR); |