diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2022-09-07 12:05:01 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-09-26 20:58:18 +1000 |
| commit | b997b2f57cae396448bb62c428efa4b112dd90ed (patch) | |
| tree | dfcf8c64ea098c035c97740045fedd6de5e4b0f0 /arch/powerpc/include/asm/nohash/pgtable.h | |
| parent | 73ea68ad0d2f655815b6f1fbe1c5521d72f01b64 (diff) | |
powerpc/mm: Reduce redundancy in pgtable.h
PAGE_KERNEL_TEXT, PAGE_KERNEL_EXEC and PAGE_AGP are the same
for all powerpcs.
Remove duplicated definitions.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/92254499430d13d99e4a4d7e9ad8e8284cb35380.1662544974.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/nohash/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/pgtable.h | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index 08429c612cdf..18b29cfee0d6 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -17,25 +17,6 @@ #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -/* - * Protection used for kernel text. We want the debuggers to be able to - * set breakpoints anywhere, so don't write protect the kernel text - * on platforms where such control is possible. - */ -#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\ - defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) -#define PAGE_KERNEL_TEXT PAGE_KERNEL_X -#else -#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX -#endif - -/* Make modules code happy. We don't set RO yet */ -#define PAGE_KERNEL_EXEC PAGE_KERNEL_X - -/* Advertise special mapping type for AGP */ -#define PAGE_AGP (PAGE_KERNEL_NC) -#define HAVE_PAGE_AGP - #ifndef __ASSEMBLY__ /* Generic accessors to PTE bits */ |