diff options
Diffstat (limited to 'app-emulation/xen-pvgrub/files/xen-pvgrub-4.7.0-fix-boot-p2m.patch')
| -rw-r--r-- | app-emulation/xen-pvgrub/files/xen-pvgrub-4.7.0-fix-boot-p2m.patch | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/app-emulation/xen-pvgrub/files/xen-pvgrub-4.7.0-fix-boot-p2m.patch b/app-emulation/xen-pvgrub/files/xen-pvgrub-4.7.0-fix-boot-p2m.patch deleted file mode 100644 index e9c80400bdc1..000000000000 --- a/app-emulation/xen-pvgrub/files/xen-pvgrub-4.7.0-fix-boot-p2m.patch +++ /dev/null @@ -1,36 +0,0 @@ -From 9714f6b87e19b32d3a6663a20df6610265c4bfe5 Mon Sep 17 00:00:00 2001 -From: Juergen Gross <jgross@suse.com> -Date: Wed, 28 Sep 2016 06:02:44 +0200 -Subject: [PATCH] pvgrub: fix crash when booting kernel with p2m list outside - kernel mapping - -When trying to boot a kernel with the p2m list not mapped by the -initial kernel mapping it can happen that pvgrub is failing as it is -keeping some page tables mapped. - -Unmap the additional page tables created for the special p2m mapping -will avoid this failure. - -Reported-by: Sven Koehler <sven.koehler@gmail.com> -Signed-off-by: Juergen Gross <jgross@suse.com> -Acked-by: Wei Liu <wei.liu2@citrix.com> ---- - stubdom/grub/kexec.c | 2 ++ - 1 file changed, 2 insertions(+) - -diff --git a/stubdom/grub/kexec.c b/stubdom/grub/kexec.c -index 8fd9ff9..71c2f3f 100644 ---- a/stubdom/grub/kexec.c -+++ b/stubdom/grub/kexec.c -@@ -347,6 +347,8 @@ void kexec(void *kernel, long kernel_size, void *module, long module_size, char - /* Unmap libxc's projection of the boot page table */ - seg = xc_dom_seg_to_ptr(dom, &dom->pgtables_seg); - munmap(seg, dom->pgtables_seg.vend - dom->pgtables_seg.vstart); -+ seg = xc_dom_seg_to_ptr(dom, &dom->p2m_seg); -+ munmap(seg, dom->p2m_seg.vend - dom->p2m_seg.vstart); - - /* Unmap day0 pages to avoid having a r/w mapping of the future page table */ - for (pfn = 0; pfn < allocated; pfn++) --- -2.10.0 - |