diff options
Diffstat (limited to 'arch/x86/mm/pat/set_memory.c')
| -rw-r--r-- | arch/x86/mm/pat/set_memory.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 102880404046..e5b2985a7c51 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -2157,7 +2157,7 @@ static int __set_memory_enc_pgtable(unsigned long addr, int numpages, bool enc) /* Notify hypervisor that we are about to set/clr encryption attribute. */ if (!x86_platform.guest.enc_status_change_prepare(addr, numpages, enc)) - return -EIO; + goto vmm_fail; ret = __change_page_attr_set_clr(&cpa, 1); @@ -2170,13 +2170,20 @@ static int __set_memory_enc_pgtable(unsigned long addr, int numpages, bool enc) */ cpa_flush(&cpa, 0); + if (ret) + return ret; + /* Notify hypervisor that we have successfully set/clr encryption attribute. */ - if (!ret) { - if (!x86_platform.guest.enc_status_change_finish(addr, numpages, enc)) - ret = -EIO; - } + if (!x86_platform.guest.enc_status_change_finish(addr, numpages, enc)) + goto vmm_fail; - return ret; + return 0; + +vmm_fail: + WARN_ONCE(1, "CPA VMM failure to convert memory (addr=%p, numpages=%d) to %s.\n", + (void *)addr, numpages, enc ? "private" : "shared"); + + return -EIO; } static int __set_memory_enc_dec(unsigned long addr, int numpages, bool enc) |