crash/0082-xen-fix-stacksize.patch

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From ba48bd462728515dd3eed562f1a97125e3417ceb Mon Sep 17 00:00:00 2001
From: Juergen Gross <jgross@suse.com>
Date: Wed, 15 Mar 2023 12:18:48 +0100
Subject: [PATCH 82/89] xen: fix stacksize
The size of the percpu stack area of Xen on x86_64 is 8 pages, not 2.
This is the case since Xen commit 0b630aa340ec in 2007.
While not really critical in its current usage, it should be corrected
nevertheless.
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
---
x86_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86_64.c b/x86_64.c
index 86abea00c9d6..619b9f566613 100644
--- a/x86_64.c
+++ b/x86_64.c
@@ -8104,7 +8104,7 @@ x86_64_init_hyper(int when)
machdep->pageshift = ffs(machdep->pagesize) - 1;
machdep->pageoffset = machdep->pagesize - 1;
machdep->pagemask = ~((ulonglong)machdep->pageoffset);
- machdep->stacksize = machdep->pagesize * 2;
+ machdep->stacksize = machdep->pagesize * 8;
if ((machdep->pgd = (char *)malloc(PAGESIZE())) == NULL)
error(FATAL, "cannot malloc pgd space.");
if ((machdep->pud = (char *)malloc(PAGESIZE())) == NULL)
--
2.37.1