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author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-09 13:51:58 +0000 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-14 18:04:09 +1100 |
commit | 97026b5a5ac26541b3d294146f5c941491a9e609 (patch) | |
tree | 860767729bf0ea7694d24ccfc1b448c694372272 /arch/powerpc/mm/dump_linuxpagetables.c | |
parent | 26973fa5ac0e3b88d0d476caccfc10839b26098b (diff) | |
download | linux-97026b5a5ac26541b3d294146f5c941491a9e609.tar.bz2 |
powerpc/mm: Split dump_pagelinuxtables flag_array table
To reduce the complexity of flag_array, and allow the removal of
default 0 value of non existing flags, lets have one flag_array
table for each platform family with only the really existing flags.
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/dump_linuxpagetables.c')
-rw-r--r-- | arch/powerpc/mm/dump_linuxpagetables.c | 155 |
1 files changed, 2 insertions, 153 deletions
diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c index 876e2a3c79f2..e60aa6d7456d 100644 --- a/arch/powerpc/mm/dump_linuxpagetables.c +++ b/arch/powerpc/mm/dump_linuxpagetables.c @@ -27,6 +27,8 @@ #include <asm/page.h> #include <asm/pgalloc.h> +#include "dump_linuxpagetables.h" + #ifdef CONFIG_PPC32 #define KERN_VIRT_START 0 #endif @@ -101,159 +103,6 @@ static struct addr_marker address_markers[] = { { -1, NULL }, }; -struct flag_info { - u64 mask; - u64 val; - const char *set; - const char *clear; - bool is_val; - int shift; -}; - -static const struct flag_info flag_array[] = { - { - .mask = _PAGE_USER | _PAGE_PRIVILEGED, - .val = _PAGE_USER, - .set = "user", - .clear = " ", - }, { - .mask = _PAGE_RW | _PAGE_RO | _PAGE_NA, - .val = _PAGE_RW, - .set = "rw", - }, { - .mask = _PAGE_RW | _PAGE_RO | _PAGE_NA, - .val = _PAGE_RO, - .set = "ro", - }, { -#if _PAGE_NA != 0 - .mask = _PAGE_RW | _PAGE_RO | _PAGE_NA, - .val = _PAGE_RO, - .set = "na", - }, { -#endif - .mask = _PAGE_EXEC, - .val = _PAGE_EXEC, - .set = " X ", - .clear = " ", - }, { - .mask = _PAGE_PTE, - .val = _PAGE_PTE, - .set = "pte", - .clear = " ", - }, { - .mask = _PAGE_PRESENT, - .val = _PAGE_PRESENT, - .set = "present", - .clear = " ", - }, { -#ifdef CONFIG_PPC_BOOK3S_64 - .mask = H_PAGE_HASHPTE, - .val = H_PAGE_HASHPTE, -#else - .mask = _PAGE_HASHPTE, - .val = _PAGE_HASHPTE, -#endif - .set = "hpte", - .clear = " ", - }, { -#ifndef CONFIG_PPC_BOOK3S_64 - .mask = _PAGE_GUARDED, - .val = _PAGE_GUARDED, - .set = "guarded", - .clear = " ", - }, { -#endif - .mask = _PAGE_DIRTY, - .val = _PAGE_DIRTY, - .set = "dirty", - .clear = " ", - }, { - .mask = _PAGE_ACCESSED, - .val = _PAGE_ACCESSED, - .set = "accessed", - .clear = " ", - }, { -#ifndef CONFIG_PPC_BOOK3S_64 - .mask = _PAGE_WRITETHRU, - .val = _PAGE_WRITETHRU, - .set = "write through", - .clear = " ", - }, { -#endif -#ifndef CONFIG_PPC_BOOK3S_64 - .mask = _PAGE_NO_CACHE, - .val = _PAGE_NO_CACHE, - .set = "no cache", - .clear = " ", - }, { -#else - .mask = _PAGE_NON_IDEMPOTENT, - .val = _PAGE_NON_IDEMPOTENT, - .set = "non-idempotent", - .clear = " ", - }, { - .mask = _PAGE_TOLERANT, - .val = _PAGE_TOLERANT, - .set = "tolerant", - .clear = " ", - }, { -#endif -#ifdef CONFIG_PPC_BOOK3S_64 - .mask = H_PAGE_BUSY, - .val = H_PAGE_BUSY, - .set = "busy", - }, { -#ifdef CONFIG_PPC_64K_PAGES - .mask = H_PAGE_COMBO, - .val = H_PAGE_COMBO, - .set = "combo", - }, { - .mask = H_PAGE_4K_PFN, - .val = H_PAGE_4K_PFN, - .set = "4K_pfn", - }, { -#else /* CONFIG_PPC_64K_PAGES */ - .mask = H_PAGE_F_GIX, - .val = H_PAGE_F_GIX, - .set = "f_gix", - .is_val = true, - .shift = H_PAGE_F_GIX_SHIFT, - }, { - .mask = H_PAGE_F_SECOND, - .val = H_PAGE_F_SECOND, - .set = "f_second", - }, { -#endif /* CONFIG_PPC_64K_PAGES */ -#endif - .mask = _PAGE_SPECIAL, - .val = _PAGE_SPECIAL, - .set = "special", - } -}; - -struct pgtable_level { - const struct flag_info *flag; - size_t num; - u64 mask; -}; - -static struct pgtable_level pg_level[] = { - { - }, { /* pgd */ - .flag = flag_array, - .num = ARRAY_SIZE(flag_array), - }, { /* pud */ - .flag = flag_array, - .num = ARRAY_SIZE(flag_array), - }, { /* pmd */ - .flag = flag_array, - .num = ARRAY_SIZE(flag_array), - }, { /* pte */ - .flag = flag_array, - .num = ARRAY_SIZE(flag_array), - }, -}; - static void dump_flag_info(struct pg_state *st, const struct flag_info *flag, u64 pte, int num) { |