aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
authorBenjamin Thiel <b.thiel@posteo.de>2020-03-27 11:26:06 +0100
committerBorislav Petkov <bp@suse.de>2020-03-27 11:26:06 +0100
commit5bacdc0982f2b343afa5adbb80517d3392a7e357 (patch)
tree30715c35be0c0066084539cbb4ca82acab52d19d /arch/x86
parentx86/efi: Add a prototype for efi_arch_mem_reserve() (diff)
downloadlinux-dev-5bacdc0982f2b343afa5adbb80517d3392a7e357.tar.xz
linux-dev-5bacdc0982f2b343afa5adbb80517d3392a7e357.zip
x86/mm/set_memory: Fix -Wmissing-prototypes warnings
Add missing includes and move prototypes into the header set_memory.h in order to fix -Wmissing-prototypes warnings. [ bp: Add ifdeffery around arch_invalidate_pmem() ] Signed-off-by: Benjamin Thiel <b.thiel@posteo.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20200320145028.6013-1-b.thiel@posteo.de
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/set_memory.h2
-rw-r--r--arch/x86/mm/pat/set_memory.c3
-rw-r--r--arch/x86/mm/pti.c8
3 files changed, 6 insertions, 7 deletions
diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index 64c3dce374e5..950532ccbc4a 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -46,6 +46,8 @@ int set_memory_4k(unsigned long addr, int numpages);
int set_memory_encrypted(unsigned long addr, int numpages);
int set_memory_decrypted(unsigned long addr, int numpages);
int set_memory_np_noalias(unsigned long addr, int numpages);
+int set_memory_nonglobal(unsigned long addr, int numpages);
+int set_memory_global(unsigned long addr, int numpages);
int set_pages_array_uc(struct page **pages, int addrinarray);
int set_pages_array_wc(struct page **pages, int addrinarray);
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index c4aedd00c1ba..6d5424069e2b 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -15,6 +15,7 @@
#include <linux/gfp.h>
#include <linux/pci.h>
#include <linux/vmalloc.h>
+#include <linux/libnvdimm.h>
#include <asm/e820/api.h>
#include <asm/processor.h>
@@ -304,11 +305,13 @@ void clflush_cache_range(void *vaddr, unsigned int size)
}
EXPORT_SYMBOL_GPL(clflush_cache_range);
+#ifdef CONFIG_ARCH_HAS_PMEM_API
void arch_invalidate_pmem(void *addr, size_t size)
{
clflush_cache_range(addr, size);
}
EXPORT_SYMBOL_GPL(arch_invalidate_pmem);
+#endif
static void __cpa_flush_all(void *arg)
{
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index 44a9f068eee0..843aa10a4cb6 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -39,6 +39,7 @@
#include <asm/tlbflush.h>
#include <asm/desc.h>
#include <asm/sections.h>
+#include <asm/set_memory.h>
#undef pr_fmt
#define pr_fmt(fmt) "Kernel/User page tables isolation: " fmt
@@ -555,13 +556,6 @@ static inline bool pti_kernel_image_global_ok(void)
}
/*
- * This is the only user for these and it is not arch-generic
- * like the other set_memory.h functions. Just extern them.
- */
-extern int set_memory_nonglobal(unsigned long addr, int numpages);
-extern int set_memory_global(unsigned long addr, int numpages);
-
-/*
* For some configurations, map all of kernel text into the user page
* tables. This reduces TLB misses, especially on non-PCID systems.
*/