From f9f09b93e80148fc5824afb338c318272abde529 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Mon, 25 Sep 2023 20:31:40 +0200 Subject: powerpc/8xx: Use generic permission masks 8xx already has _PAGE_NA and _PAGE_RO. So add _PAGE_ROX, _PAGE_RW and _PAGE_RWX and remove specific permission masks. Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://msgid.link/5d0b5ce43485f697313eee4326ddff97157fb219.1695659959.git.christophe.leroy@csgroup.eu --- arch/powerpc/include/asm/nohash/32/pte-8xx.h | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) (limited to 'arch/powerpc/include') diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h index 843fe0138a66..62c965a4511a 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h @@ -48,6 +48,10 @@ #define _PAGE_HUGE 0x0800 /* Copied to L1 PS bit 29 */ +#define _PAGE_ROX (_PAGE_RO | _PAGE_EXEC) +#define _PAGE_RW 0 +#define _PAGE_RWX _PAGE_EXEC + /* cache related flags non existing on 8xx */ #define _PAGE_COHERENT 0 #define _PAGE_WRITETHRU 0 @@ -77,14 +81,7 @@ #define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE) #define _PAGE_BASE (_PAGE_BASE_NC) -/* Permission masks used to generate the __P and __S table */ -#define PAGE_NONE __pgprot(_PAGE_BASE | _PAGE_NA) -#define PAGE_SHARED __pgprot(_PAGE_BASE) -#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_EXEC) -#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_RO) -#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_RO | _PAGE_EXEC) -#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_RO) -#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_RO | _PAGE_EXEC) +#include #ifndef __ASSEMBLY__ static inline pte_t pte_wrprotect(pte_t pte) -- cgit v1.2.3