* [PATCH 09/17] x86: add table start and end sanity checks to 32-bit init_memory_mapping()
@ 2009-03-05 12:55 Pekka Enberg
2009-03-05 13:37 ` [tip:x86/mm] " Pekka Enberg
0 siblings, 1 reply; 2+ messages in thread
From: Pekka Enberg @ 2009-03-05 12:55 UTC (permalink / raw)
To: mingo; +Cc: x86, linux-kernel, Yinghai Lu
Impact: cleanup
This patch adds a sanity check to the 32-bit version of init_memory_mapping()
to reduce the diff to the 64-bit version.
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
arch/x86/mm/init_32.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 00c1d85..0a3707f 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -1060,7 +1060,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
__flush_tlb_all();
- if (!after_bootmem)
+ if (!after_bootmem && table_end > table_start)
reserve_early(table_start << PAGE_SHIFT,
table_end << PAGE_SHIFT, "PGTABLE");
--
1.5.4.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [tip:x86/mm] x86: add table start and end sanity checks to 32-bit init_memory_mapping()
2009-03-05 12:55 [PATCH 09/17] x86: add table start and end sanity checks to 32-bit init_memory_mapping() Pekka Enberg
@ 2009-03-05 13:37 ` Pekka Enberg
0 siblings, 0 replies; 2+ messages in thread
From: Pekka Enberg @ 2009-03-05 13:37 UTC (permalink / raw)
To: linux-tip-commits; +Cc: linux-kernel, hpa, mingo, yinghai, penberg, tglx, mingo
Commit-ID: d58e854e36ddf241ebc243e4122c5ab087bf38df
Gitweb: http://git.kernel.org/tip/d58e854e36ddf241ebc243e4122c5ab087bf38df
Author: "Pekka Enberg" <penberg@cs.helsinki.fi>
AuthorDate: Thu, 5 Mar 2009 14:55:00 +0200
Commit: Ingo Molnar <mingo@elte.hu>
CommitDate: Thu, 5 Mar 2009 14:17:14 +0100
x86: add table start and end sanity checks to 32-bit init_memory_mapping()
Impact: cleanup
This patch adds a sanity check to the 32-bit version of
init_memory_mapping() to reduce the diff to the 64-bit version.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1236257708-27269-9-git-send-email-penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/mm/init_32.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 00c1d85..0a3707f 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -1060,7 +1060,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
__flush_tlb_all();
- if (!after_bootmem)
+ if (!after_bootmem && table_end > table_start)
reserve_early(table_start << PAGE_SHIFT,
table_end << PAGE_SHIFT, "PGTABLE");
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2009-03-05 13:40 UTC | newest]
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2009-03-05 12:55 [PATCH 09/17] x86: add table start and end sanity checks to 32-bit init_memory_mapping() Pekka Enberg
2009-03-05 13:37 ` [tip:x86/mm] " Pekka Enberg
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