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| author | Gustavo Padovan <gustavo.padovan@collabora.com> | 2018-06-20 13:22:22 -0300 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.com> | 2018-06-20 13:22:22 -0300 |
| commit | d98c71dadc2d0debdb80beb5a478baf1e6f98758 (patch) | |
| tree | bf873c28d3acced1814f8b2dba4ae69d2ed77333 /arch/x86/xen/enlighten_hvm.c | |
| parent | d67b6a2065076d763c7df626b8c54f16038ad862 (diff) | |
| parent | daf0678c2036c918f01e4aa6035629d2debc2f30 (diff) | |
| download | talos-op-linux-d98c71dadc2d0debdb80beb5a478baf1e6f98758.tar.gz talos-op-linux-d98c71dadc2d0debdb80beb5a478baf1e6f98758.zip | |
Merge drm-upstream/drm-next into drm-misc-next
We got a few conflicts in drm_atomic.c after merging the DRM writeback support,
now we need a backmerge to unlock develop development on drm-misc-next.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Diffstat (limited to 'arch/x86/xen/enlighten_hvm.c')
| -rw-r--r-- | arch/x86/xen/enlighten_hvm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index 826898701045..19c1ff542387 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -65,6 +65,19 @@ static void __init xen_hvm_init_mem_mapping(void) { early_memunmap(HYPERVISOR_shared_info, PAGE_SIZE); HYPERVISOR_shared_info = __va(PFN_PHYS(shared_info_pfn)); + + /* + * The virtual address of the shared_info page has changed, so + * the vcpu_info pointer for VCPU 0 is now stale. + * + * The prepare_boot_cpu callback will re-initialize it via + * xen_vcpu_setup, but we can't rely on that to be called for + * old Xen versions (xen_have_vector_callback == 0). + * + * It is, in any case, bad to have a stale vcpu_info pointer + * so reset it now. + */ + xen_vcpu_info_reset(0); } static void __init init_hvm_pv_info(void) |
