diff mbox series

[v4,3/6] powerpc/fault: Unnest definition of page_fault_is_write() and page_fault_is_bad()

Message ID 6afaac2495248d68f94c438c5ec36b6010931de5.1607491748.git.christophe.leroy@csgroup.eu (mailing list archive)
State Accepted
Commit 5250d026d241febfaf226d26cabe528fc478e225
Headers show
Series [v4,1/6] powerpc/book3s64/kuap: Improve error reporting with KUAP | expand

Commit Message

Christophe Leroy Dec. 9, 2020, 5:29 a.m. UTC 
To make it more readable, separate page_fault_is_write() and page_fault_is_bad()
to avoir several levels of #ifdefs

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/mm/fault.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index f6ae56a0d7a3..3fcd34c28e10 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -363,17 +363,19 @@  static void sanity_check_fault(bool is_write, bool is_user,
  */
 #if (defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
 #define page_fault_is_write(__err)	((__err) & ESR_DST)
-#define page_fault_is_bad(__err)	(0)
 #else
 #define page_fault_is_write(__err)	((__err) & DSISR_ISSTORE)
-#if defined(CONFIG_PPC_8xx)
+#endif
+
+#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
+#define page_fault_is_bad(__err)	(0)
+#elif defined(CONFIG_PPC_8xx)
 #define page_fault_is_bad(__err)	((__err) & DSISR_NOEXEC_OR_G)
 #elif defined(CONFIG_PPC64)
 #define page_fault_is_bad(__err)	((__err) & DSISR_BAD_FAULT_64S)
 #else
 #define page_fault_is_bad(__err)	((__err) & DSISR_BAD_FAULT_32S)
 #endif
-#endif
 
 /*
  * For 600- and 800-family processors, the error_code parameter is DSISR