diff options
| author |   Michal Simek <michal.simek@xilinx.com> | 2020-11-26 14:32:25 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2020-11-26 16:39:35 +0100 |
| commit | 05cdf457477d6603b207d91873f0a3d4c7f8c1cd (patch) | |
| tree | 187900c636e5c8b9da2fe4344cbc8658ab92541a /arch/microblaze/include/asm/pgtable.h | |
| parent | microblaze: add support for TIF_NOTIFY_SIGNAL (diff) | |
| download | linux-dev-05cdf457477d6603b207d91873f0a3d4c7f8c1cd.tar.xz linux-dev-05cdf457477d6603b207d91873f0a3d4c7f8c1cd.zip | |
microblaze: Remove noMMU code
This configuration is obsolete and likely none is really using it. That's
why remove it to simplify code.
Note about CONFIG_MMU in hw_exception_handler.S is left intentionally
for better comment understanding.
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/43486cab370e0c0a79860120b71e0caac75a7e44.1606397528.git.michal.simek@xilinx.com
Diffstat (limited to 'arch/microblaze/include/asm/pgtable.h')
| -rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 3fa1df90925e..9ae8d2c17dd5 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -14,47 +14,6 @@ extern int mem_init_done; #endif -#ifndef CONFIG_MMU - -#define pgd_present(pgd) (1) /* pages are always present on non MMU */ -#define pgd_none(pgd) (0) -#define pgd_bad(pgd) (0) -#define pgd_clear(pgdp) -#define kern_addr_valid(addr) (1) - -#define PAGE_NONE __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_SHARED __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_COPY __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_READONLY __pgprot(0) /* these mean nothing to non MMU */ -#define PAGE_KERNEL __pgprot(0) /* these mean nothing to non MMU */ - -#define pgprot_noncached(x) (x) -#define pgprot_writecombine pgprot_noncached -#define pgprot_device pgprot_noncached - -#define __swp_type(x) (0) -#define __swp_offset(x) (0) -#define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) -#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) -#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) - -#define ZERO_PAGE(vaddr) ({ BUG(); NULL; }) - -#define swapper_pg_dir ((pgd_t *) NULL) - -#define arch_enter_lazy_cpu_mode() do {} while (0) - -#define pgprot_noncached_wc(prot) prot - -/* - * All 32bit addresses are effectively valid for vmalloc... - * Sort of meaningless for non-VM targets. - */ -#define VMALLOC_START 0 -#define VMALLOC_END 0xffffffff - -#else /* CONFIG_MMU */ - #include <asm-generic/pgtable-nopmd.h> #ifdef __KERNEL__ @@ -491,8 +450,6 @@ void __init *early_get_page(void); #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ -#endif /* CONFIG_MMU */ - #ifndef __ASSEMBLY__ extern unsigned long ioremap_bot, ioremap_base; |