Commit a12884ff authored Apr 09, 2020 by Juergen Gross Committed by Greg Kroah-Hartman May 25, 2022

x86/xen: fix booting 32-bit pv guest



commit d6f34f4c6b4a962eb7a86c923fea206f866a40be upstream.

Commit 2f62f36e62daec ("x86/xen: Make the boot CPU idle task reliable")
introduced a regression for booting 32 bit Xen PV guests: the address
of the initial stack needs to be a virtual one.

Fixes: 2f62f36e62daec ("x86/xen: Make the boot CPU idle task reliable")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20200409070001.16675-1-jgross@suse.com


Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent b2f140a9

arch/x86/xen/xen-head.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -38,7 +38,7 @@ ENTRY(startup_xen)
		#ifdef CONFIG_X86_64
		mov initial_stack(%rip), %rsp
		#else
		mov pa(initial_stack), %esp
		mov initial_stack, %esp
		#endif

		#ifdef CONFIG_X86_64