Commit 7deecbda authored Oct 09, 2018 by Roger Pau Monne Committed by Juergen Gross Oct 24, 2018

xen/pvh: increase early stack size



While booting on an AMD EPYC box the stack canary would detect stack
overflows when using the current PVH early stack size (256). Switch to
using the value defined by BOOT_STACK_SIZE, which prevents the stack
overflow.

Cc: <stable@vger.kernel.org> # 4.11
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>

parent a8565319

arch/x86/xen/xen-pvh.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -170,7 +170,7 @@ canary:
		.fill 48, 1, 0

		early_stack:
		.fill 256, 1, 0
		.fill BOOT_STACK_SIZE, 1, 0
		early_stack_end:

		ELFNOTE(Xen, XEN_ELFNOTE_PHYS32_ENTRY,

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