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| author | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2005-02-03 13:07:34 +0000 |
|---|---|---|
| committer | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2005-02-03 13:07:34 +0000 |
| commit | f32bc42de344e0c9e1949fb8cc5e3ce042dae16e (patch) | |
| tree | 20f2e2e796a6bed8b1ce97e976c294219f078f21 /linux-2.6.10-xen-sparse | |
| parent | ff7e4d5f080bef4156d5bf605746028e1e1d2690 (diff) | |
| download | xen-f32bc42de344e0c9e1949fb8cc5e3ce042dae16e.tar.gz xen-f32bc42de344e0c9e1949fb8cc5e3ce042dae16e.tar.bz2 xen-f32bc42de344e0c9e1949fb8cc5e3ce042dae16e.zip | |
bitkeeper revision 1.1159.212.77 (4202221693AFbvFZWeMHHIjQfbzTIQ)
More x86_64 prgress. Many more gaps filled in. Next step is DOM0
construction.
Signed-off-by: keir.fraser@cl.cam.ac.uk
Diffstat (limited to 'linux-2.6.10-xen-sparse')
| -rw-r--r-- | linux-2.6.10-xen-sparse/drivers/xen/privcmd/privcmd.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/linux-2.6.10-xen-sparse/drivers/xen/privcmd/privcmd.c b/linux-2.6.10-xen-sparse/drivers/xen/privcmd/privcmd.c index 98e7e92ff4..c97fe7cf21 100644 --- a/linux-2.6.10-xen-sparse/drivers/xen/privcmd/privcmd.c +++ b/linux-2.6.10-xen-sparse/drivers/xen/privcmd/privcmd.c @@ -174,13 +174,11 @@ static int privcmd_ioctl(struct inode *inode, struct file *file, case IOCTL_PRIVCMD_GET_MACH2PHYS_START_MFN: { - unsigned long m2p_start_mfn = - HYPERVISOR_shared_info->arch.mfn_to_pfn_start; - - if( put_user( m2p_start_mfn, (unsigned long *) data ) ) - ret = -EFAULT; - else - ret = 0; + unsigned long m2pv = (unsigned long)machine_to_phys_mapping; + pgd_t *pgd = pgd_offset_k(m2pv); + pmd_t *pmd = pmd_offset(pgd, m2pv); + unsigned long m2p_start_mfn = pmd_val(*pmd) >> PAGE_SHIFT; + ret = put_user(m2p_start_mfn, (unsigned long *)data) ? -EFAULT: 0; } break; |