Renaming, so it is better to reflect the flip layout of kernel VA, which
is introduced by kernel commit 14c127c957c1 ("arm64: mm: Flip kernel VA space")
Signed-off-by: Pingfan Liu <pi...@redhat.com>
Cc: HAGIO KAZUHITO <k-hagio...@nec.com>
Cc: Lianbo Jiang <liji...@redhat.com>
Cc: Mark Salter <msal...@redhat.com>
Cc: Mark Langsdorf <mlang...@redhat.com>
Cc: Jeremy Linton <jlin...@redhat.com>
To: crash-utility@redhat.com
---
arm64.c | 8 ++++----
defs.h | 3 ++-
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/arm64.c b/arm64.c
index a0bee62..132a39d 100644
--- a/arm64.c
+++ b/arm64.c
@@ -221,9 +221,9 @@ arm64_init(int when)
arm64_calc_KERNELPACMASK();
ms = machdep->machspec;
if (ms->VA_BITS_ACTUAL) {
- ms->page_offset = ARM64_PAGE_OFFSET_ACTUAL;
- machdep->identity_map_base = ARM64_PAGE_OFFSET_ACTUAL;
- machdep->kvbase = ARM64_PAGE_OFFSET_ACTUAL;
+ ms->page_offset = ARM64_FLIP_PAGE_OFFSET_ACTUAL;
+ machdep->identity_map_base =
ARM64_FLIP_PAGE_OFFSET_ACTUAL;
+ machdep->kvbase = ARM64_FLIP_PAGE_OFFSET_ACTUAL;
ms->userspace_top = ARM64_USERSPACE_TOP_ACTUAL;
} else {
ms->page_offset = ARM64_PAGE_OFFSET;
@@ -404,7 +404,7 @@ arm64_init(int when)
fprintf(fp, "CONFIG_ARM64_VA_BITS: %ld\n",
ms->CONFIG_ARM64_VA_BITS);
fprintf(fp, " VA_BITS_ACTUAL: %ld\n",
ms->VA_BITS_ACTUAL);
fprintf(fp, "(calculated) VA_BITS: %ld\n",
ms->VA_BITS);
- fprintf(fp, " PAGE_OFFSET: %lx\n",
ARM64_PAGE_OFFSET_ACTUAL);
+ fprintf(fp, " PAGE_OFFSET: %lx\n",
ARM64_FLIP_PAGE_OFFSET_ACTUAL);
fprintf(fp, " VA_START: %lx\n",
ms->VA_START);
fprintf(fp, " modules: %lx - %lx\n",
ms->modules_vaddr, ms->modules_end);
fprintf(fp, " vmalloc: %lx - %lx\n",
ms->vmalloc_start_addr, ms->vmalloc_end);
diff --git a/defs.h b/defs.h
index 64f2bcb..d8e0f30 100644
--- a/defs.h
+++ b/defs.h
@@ -3219,7 +3219,8 @@ typedef signed int s32;
#define ARM64_PAGE_OFFSET ((0xffffffffffffffffUL) \
<< (machdep->machspec->VA_BITS - 1))
-#define ARM64_PAGE_OFFSET_ACTUAL ((0xffffffffffffffffUL) \
+/* after kernel commit 14c127c957c1 ("arm64: mm: Flip kernel VA space") */
+#define ARM64_FLIP_PAGE_OFFSET_ACTUAL ((0xffffffffffffffffUL) \
- ((1UL) <<
machdep->machspec->VA_BITS_ACTUAL) + 1)
#define ARM64_USERSPACE_TOP ((1UL) << machdep->machspec->VA_BITS)
--
2.29.2
--
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