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| author | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2018-06-25 12:45:53 -0400 |
|---|---|---|
| committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2018-06-27 14:38:15 -0400 |
| commit | 316dfdd917bec6a218f431211d28bf8df6b6fb0f (patch) | |
| tree | 5541073f9851f44c2bd67b4959dc776ee3c3810f /import-layers/meta-virtualization/recipes-extended/xen/files/xsa251.patch | |
| parent | 36acd3e888044dea2ac0b2946f15616f968388c9 (diff) | |
| download | talos-openbmc-316dfdd917bec6a218f431211d28bf8df6b6fb0f.tar.gz talos-openbmc-316dfdd917bec6a218f431211d28bf8df6b6fb0f.zip | |
Yocto 2.5
Move OpenBMC to Yocto 2.5(sumo)
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I5c5ad6904a16e14c1c397f0baf10c9d465594a78
Diffstat (limited to 'import-layers/meta-virtualization/recipes-extended/xen/files/xsa251.patch')
| -rw-r--r-- | import-layers/meta-virtualization/recipes-extended/xen/files/xsa251.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/import-layers/meta-virtualization/recipes-extended/xen/files/xsa251.patch b/import-layers/meta-virtualization/recipes-extended/xen/files/xsa251.patch new file mode 100644 index 000000000..582ef622e --- /dev/null +++ b/import-layers/meta-virtualization/recipes-extended/xen/files/xsa251.patch @@ -0,0 +1,21 @@ +From: Jan Beulich <jbeulich@suse.com> +Subject: x86/paging: don't unconditionally BUG() on finding SHARED_M2P_ENTRY + +PV guests can fully control the values written into the P2M. + +This is XSA-251. + +Signed-off-by: Jan Beulich <jbeulich@suse.com> +Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> + +--- a/xen/arch/x86/mm/paging.c ++++ b/xen/arch/x86/mm/paging.c +@@ -274,7 +274,7 @@ void paging_mark_pfn_dirty(struct domain + return; + + /* Shared MFNs should NEVER be marked dirty */ +- BUG_ON(SHARED_M2P(pfn_x(pfn))); ++ BUG_ON(paging_mode_translate(d) && SHARED_M2P(pfn_x(pfn))); + + /* + * Values with the MSB set denote MFNs that aren't really part of the |
