diff options
Diffstat (limited to 'system/xen/xsa/xsa230.patch')
-rw-r--r-- | system/xen/xsa/xsa230.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/system/xen/xsa/xsa230.patch b/system/xen/xsa/xsa230.patch deleted file mode 100644 index c3b50c8aaa98d..0000000000000 --- a/system/xen/xsa/xsa230.patch +++ /dev/null @@ -1,38 +0,0 @@ -From: Jan Beulich <jbeulich@suse.com> -Subject: gnttab: correct pin status fixup for copy - -Regardless of copy operations only setting GNTPIN_hst*, GNTPIN_dev* -also need to be taken into account when deciding whether to clear -_GTF_{read,writ}ing. At least for consistency with code elsewhere the -read part better doesn't use any mask at all. - -This is XSA-230. - -Signed-off-by: Jan Beulich <jbeulich@suse.com> -Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> -diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c -index ae34547..9c9d33c 100644 ---- a/xen/common/grant_table.c -+++ b/xen/common/grant_table.c -@@ -2107,10 +2107,10 @@ __release_grant_for_copy( - static void __fixup_status_for_copy_pin(const struct active_grant_entry *act, - uint16_t *status) - { -- if ( !(act->pin & GNTPIN_hstw_mask) ) -+ if ( !(act->pin & (GNTPIN_hstw_mask | GNTPIN_devw_mask)) ) - gnttab_clear_flag(_GTF_writing, status); - -- if ( !(act->pin & GNTPIN_hstr_mask) ) -+ if ( !act->pin ) - gnttab_clear_flag(_GTF_reading, status); - } - -@@ -2318,7 +2318,7 @@ __acquire_grant_for_copy( - - unlock_out_clear: - if ( !(readonly) && -- !(act->pin & GNTPIN_hstw_mask) ) -+ !(act->pin & (GNTPIN_hstw_mask | GNTPIN_devw_mask)) ) - gnttab_clear_flag(_GTF_writing, status); - - if ( !act->pin ) |