Accepting request 728983 from home:ptesarik:branches:Kernel:kdump
- makedumpfile-Increase-SECTION_MAP_LAST_BIT-to-4.patch: Increase SECTION_MAP_LAST_BIT to 4 (bsc#1144708). OBS-URL: https://build.opensuse.org/request/show/728983 OBS-URL: https://build.opensuse.org/package/show/Kernel:kdump/makedumpfile?expand=0&rev=136
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makedumpfile-Increase-SECTION_MAP_LAST_BIT-to-4.patch
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makedumpfile-Increase-SECTION_MAP_LAST_BIT-to-4.patch
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From 7bdb468c2c99dd780c9a5321f93c79cbfdce2527 Mon Sep 17 00:00:00 2001
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From: Kazuhito Hagio <k-hagio@ab.jp.nec.com>
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Date: Tue, 23 Jul 2019 12:24:47 -0400
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Subject: [PATCH] Increase SECTION_MAP_LAST_BIT to 4
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References: bsc#1144708
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Git-commit: 7bdb468c2c99dd780c9a5321f93c79cbfdce2527
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Upstream: merged
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kernel commit 326e1b8f83a4 ("mm/sparsemem: introduce a SECTION_IS_EARLY
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flag") added the flag to mem_section->section_mem_map value, and it caused
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makedumpfile an error like the following:
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readmem: Can't convert a virtual address(fffffc97d1000000) to physical address.
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readmem: type_addr: 0, addr:fffffc97d1000000, size:32768
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__exclude_unnecessary_pages: Can't read the buffer of struct page.
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create_2nd_bitmap: Can't exclude unnecessary pages.
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To fix this, SECTION_MAP_LAST_BIT needs to be updated. The bit has not
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been used until the addition, so we can just increase the value.
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Signed-off-by: Kazuhito Hagio <k-hagio@ab.jp.nec.com>
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Acked-by: Petr Tesarik <ptesarik@suse.com>
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---
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makedumpfile.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/makedumpfile.h
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+++ b/makedumpfile.h
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@@ -195,7 +195,7 @@ isAnon(unsigned long mapping)
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* 2. it has been verified that (1UL<<2) was never set, so it is
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* safe to mask that bit off even in old kernels.
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*/
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-#define SECTION_MAP_LAST_BIT (1UL<<3)
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+#define SECTION_MAP_LAST_BIT (1UL<<4)
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#define SECTION_MAP_MASK (~(SECTION_MAP_LAST_BIT-1))
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#define NR_SECTION_ROOTS() divideup(num_section, SECTIONS_PER_ROOT())
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#define SECTION_NR_TO_PFN(sec) ((sec) << PFN_SECTION_SHIFT())
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Fri Sep 6 13:09:13 UTC 2019 - Petr Tesařík <ptesarik@suse.com>
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- makedumpfile-Increase-SECTION_MAP_LAST_BIT-to-4.patch: Increase
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SECTION_MAP_LAST_BIT to 4 (bsc#1144708).
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-------------------------------------------------------------------
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Thu Sep 5 18:36:13 UTC 2019 - Petr Tesařík <ptesarik@suse.com>
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@ -42,6 +42,7 @@ Source: https://sourceforge.net/projects/makedumpfile/files/makedumpfile
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Source99: %{name}-rpmlintrc
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Patch1: %{name}-override-libtinfo.patch
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Patch2: %{name}-ppc64-VA-range-SUSE.patch
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Patch3: %{name}-Increase-SECTION_MAP_LAST_BIT-to-4.patch
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BuildRequires: libdw-devel
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BuildRequires: libebl-devel
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BuildRequires: libelf-devel
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@ -71,6 +72,7 @@ via gdb or crash utility.
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%setup -q
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%patch1 -p1
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%patch2 -p1
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%patch3 -p1
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%build
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export CFLAGS="%{optflags}"
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