From: Joerg Roedel <jroe...@suse.de>

With the way page-table folding is implemented on 32 bit, we
are not only setting PGDs with this functions, but also PUDs
and even PMDs. Give the function a more generic name to
reflect that.

Signed-off-by: Joerg Roedel <jroe...@suse.de>
---
 arch/x86/include/asm/pgtable_64.h | 12 ++++++------
 arch/x86/mm/pti.c                 |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/pgtable_64.h 
b/arch/x86/include/asm/pgtable_64.h
index 81462e9..b68bda5 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -195,21 +195,21 @@ static inline bool pgdp_maps_userspace(void *__ptr)
 }
 
 #ifdef CONFIG_PAGE_TABLE_ISOLATION
-pgd_t __pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd);
+pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd);
 
 /*
  * Take a PGD location (pgdp) and a pgd value that needs to be set there.
  * Populates the user and returns the resulting PGD that must be set in
  * the kernel copy of the page tables.
  */
-static inline pgd_t pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd)
+static inline pgd_t pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd)
 {
        if (!static_cpu_has(X86_FEATURE_PTI))
                return pgd;
-       return __pti_set_user_pgd(pgdp, pgd);
+       return __pti_set_user_pgtbl(pgdp, pgd);
 }
 #else
-static inline pgd_t pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd)
+static inline pgd_t pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd)
 {
        return pgd;
 }
@@ -218,7 +218,7 @@ static inline pgd_t pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd)
 static inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d)
 {
 #if defined(CONFIG_PAGE_TABLE_ISOLATION) && !defined(CONFIG_X86_5LEVEL)
-       p4dp->pgd = pti_set_user_pgd(&p4dp->pgd, p4d.pgd);
+       p4dp->pgd = pti_set_user_pgtbl(&p4dp->pgd, p4d.pgd);
 #else
        *p4dp = p4d;
 #endif
@@ -236,7 +236,7 @@ static inline void native_p4d_clear(p4d_t *p4d)
 static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd)
 {
 #ifdef CONFIG_PAGE_TABLE_ISOLATION
-       *pgdp = pti_set_user_pgd(pgdp, pgd);
+       *pgdp = pti_set_user_pgtbl(pgdp, pgd);
 #else
        *pgdp = pgd;
 #endif
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index ce38f16..8f53d21 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -102,7 +102,7 @@ void __init pti_check_boottime_disable(void)
        setup_force_cpu_cap(X86_FEATURE_PTI);
 }
 
-pgd_t __pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd)
+pgd_t __pti_set_user_pgtbl(pgd_t *pgdp, pgd_t pgd)
 {
        /*
         * Changes to the high (kernel) portion of the kernelmode page
-- 
2.7.4

Reply via email to