diff options
Diffstat (limited to '0080-x86-pv-shim-correctly-ignore-empty-onlining-requests.patch')
| -rw-r--r-- | 0080-x86-pv-shim-correctly-ignore-empty-onlining-requests.patch | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/0080-x86-pv-shim-correctly-ignore-empty-onlining-requests.patch b/0080-x86-pv-shim-correctly-ignore-empty-onlining-requests.patch deleted file mode 100644 index 31aa812..0000000 --- a/0080-x86-pv-shim-correctly-ignore-empty-onlining-requests.patch +++ /dev/null @@ -1,43 +0,0 @@ -From a46f01fad17173afe3809ac1980cbe4b67a9a8b5 Mon Sep 17 00:00:00 2001 -From: Igor Druzhinin <igor.druzhinin@citrix.com> -Date: Mon, 31 Oct 2022 13:37:17 +0100 -Subject: [PATCH 080/126] x86/pv-shim: correctly ignore empty onlining requests -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Mem-op requests may have zero extents. Such requests need treating as -no-ops. pv_shim_online_memory(), however, would have tried to take 2³²-1 -order-sized pages from its balloon list (to then populate them), -typically ending when the entire set of ballooned pages of this order -was consumed. - -Note that pv_shim_offline_memory() does not have such an issue. - -Fixes: b2245acc60c3 ("xen/pvshim: memory hotplug") -Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com> -Signed-off-by: Jan Beulich <jbeulich@suse.com> -Acked-by: Andrew Cooper <andrew.cooper3@citrix.com> -master commit: 9272225ca72801fd9fa5b268a2d1c5adebd19cd9 -master date: 2022-10-28 15:47:59 +0200 ---- - xen/arch/x86/pv/shim.c | 3 +++ - 1 file changed, 3 insertions(+) - -diff --git a/xen/arch/x86/pv/shim.c b/xen/arch/x86/pv/shim.c -index b4e83e077891..104357e2c398 100644 ---- a/xen/arch/x86/pv/shim.c -+++ b/xen/arch/x86/pv/shim.c -@@ -922,6 +922,9 @@ void pv_shim_online_memory(unsigned int nr, unsigned int order) - struct page_info *page, *tmp; - PAGE_LIST_HEAD(list); - -+ if ( !nr ) -+ return; -+ - spin_lock(&balloon_lock); - page_list_for_each_safe ( page, tmp, &balloon ) - { --- -2.37.4 - |