diff options
Diffstat (limited to 'arch/x86/mm/pat/set_memory.c')
| -rw-r--r-- | arch/x86/mm/pat/set_memory.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 7159cf787613..df4182b6449f 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -9,6 +9,7 @@ #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/seq_file.h> +#include <linux/proc_fs.h> #include <linux/debugfs.h> #include <linux/pfn.h> #include <linux/percpu.h> @@ -231,7 +232,7 @@ within_inclusive(unsigned long addr, unsigned long start, unsigned long end) * points to #2, but almost all physical-to-virtual translations point to #1. * * This is so that we can have both a directmap of all physical memory *and* - * take full advantage of the the limited (s32) immediate addressing range (2G) + * take full advantage of the limited (s32) immediate addressing range (2G) * of x86_64. * * See Documentation/arch/x86/x86_64/mm.rst for more detail. @@ -2151,7 +2152,8 @@ static int __set_memory_enc_pgtable(unsigned long addr, int numpages, bool enc) cpa_flush(&cpa, x86_platform.guest.enc_cache_flush_required()); /* Notify hypervisor that we are about to set/clr encryption attribute. */ - x86_platform.guest.enc_status_change_prepare(addr, numpages, enc); + if (!x86_platform.guest.enc_status_change_prepare(addr, numpages, enc)) + return -EIO; ret = __change_page_attr_set_clr(&cpa, 1); |