diff options
| author | Jan Beulich <jbeulich@suse.com> | 2015-06-02 15:07:01 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2015-06-02 15:07:01 +0000 |
| commit | 45ebe3916ab16f859ed930e92fbd52d84d5dcdaf (patch) | |
| tree | d18e189e3590ed540419dea7171b5847b3190a05 /hw/xen/xen_pt_config_init.c | |
| parent | 0e7ef22136955169a0fd03c4e41af95662352733 (diff) | |
xen/pt: mark all PCIe capability bits read-only
xen_pt_emu_reg_pcie[]'s PCI_EXP_DEVCAP needs to cover all bits as read-
only to avoid unintended write-back (just a precaution, the field ought
to be read-only in hardware).
This is a preparatory patch for XSA-131.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'hw/xen/xen_pt_config_init.c')
| -rw-r--r-- | hw/xen/xen_pt_config_init.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c index 3833b9ed5b..9f6c00e4d9 100644 --- a/hw/xen/xen_pt_config_init.c +++ b/hw/xen/xen_pt_config_init.c @@ -871,7 +871,7 @@ static XenPTRegInfo xen_pt_emu_reg_pcie[] = { .offset = PCI_EXP_DEVCAP, .size = 4, .init_val = 0x00000000, - .ro_mask = 0x1FFCFFFF, + .ro_mask = 0xFFFFFFFF, .emu_mask = 0x10000000, .init = xen_pt_common_reg_init, .u.dw.read = xen_pt_long_reg_read, |