[PATCH 1/3] x86/mm: Remove in_nmi() warning from vmalloc_fault()

Joerg Roedel
2018-07-25T15:48:24Z

From: Joerg Roedel <jroedel@suse.de>

It is perfectly okay to take page-faults, especially on the
vmalloc area while executing an NMI handler. Remove the
warning.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
arch/x86/mm/fault.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 2aafa6a..db1c042 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -317,8 +317,6 @@ static noinline int vmalloc_fault(unsigned long address)
if (!(address >= VMALLOC_START && address < VMALLOC_END))
return -1;

- WARN_ON_ONCE(in_nmi());
-
/*
* Synchronize this task's top level page-table
* with the 'reference' page table.
--
2.7.4