Boris Ostrovsky 373ccbd6eb x86/vsyscall/64: Use proper accessor to update P4D entry ...

commit 31ad7f8e7d upstream.

Writing to it directly does not work for Xen PV guests.

Fixes: 49275fef98 ("x86/vsyscall/64: Explicitly set _PAGE_USER in the pagetable hierarchy")
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20180319143154.3742-1-boris.ostrovsky@oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-03-28 18:24:46 +02:00

..

Makefile

x86/asm/entry: Move the vsyscall code to arch/x86/entry/vsyscall/

2015-06-04 07:37:37 +02:00

vsyscall_64.c

x86/vsyscall/64: Use proper accessor to update P4D entry

2018-03-28 18:24:46 +02:00

vsyscall_emu_64.S

x86/asm/entry: Move the vsyscall code to arch/x86/entry/vsyscall/

2015-06-04 07:37:37 +02:00

vsyscall_gtod.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

vsyscall_trace.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00