xen/pvh: increase early stack size · 7deecbda30 - Gogs: Go Git Service GfA electronic

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>

Roger Pau Monne 6 years ago

parent

a856531951

commit

7deecbda30

1 changed files with 1 additions and 1 deletions

Split View Show Diff Stats

						
							+ 1
							
							- 1
						
arch/x86/xen/xen-pvh.S
							 
								View File
							
				@@ -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,