From: Pratyush Anand <panand@redhat.com>
To: ats-kumagai@wm.jp.nec.com
Cc: Pratyush Anand <panand@redhat.com>,
dyoung@redhat.com, kexec@lists.infradead.org, bhe@redhat.com
Subject: [Makedumpfile Patch v3 0/7] Fix --mem-usage /proc/kcore
Date: Thu, 2 Mar 2017 14:06:45 +0530 [thread overview]
Message-ID: <cover.1488443170.git.panand@redhat.com> (raw)
`makedumpfile --mem-usage /proc/kcore` has been broken after kaslr specific
modifications. Kernel commit commit 464920104bf7 (/proc/kcore: update
physical address for kcore ram and text) provides now valid physical
address for direct mapped regions and invalid (-1) for other areas. This
helps to fix the issue in makedumpfile for both the case of kaslr enabled
and disabled.
Changes since v2:
- Fixed a memory leak issue and updated man page and usage info
Changes since v1:
- One more patch..Now mem-usage with older kernel (< 4.11) will only work
when that has been rightly patched and -f has been used in makedumpfile
command line.
Baoquan He (2):
makedumpfile: Correct the calculation of kvaddr in
set_kcore_vmcoreinfo
makedumpfile: Discard process_dump_load
Pratyush Anand (5):
show_mem_usage(): calculate page offset after elf load
initial(): call cach_init() a bit early
x86_64: check physical address in PT_LOAD for none direct mapped
regions
elf_info: kcore: check for invalid physical address
mem-usage: allow to work only with -f for kernel version < 4.11
arch/x86_64.c | 6 ++++--
elf_info.c | 25 +++++--------------------
makedumpfile.8 | 9 ++++++++-
makedumpfile.c | 18 ++++++++++++------
print_info.c | 3 ++-
5 files changed, 31 insertions(+), 30 deletions(-)
--
2.9.3
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next reply other threads:[~2017-03-02 8:37 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 8:36 Pratyush Anand [this message]
2017-03-02 8:36 ` [Makedumpfile Patch v3 1/7] show_mem_usage(): calculate page offset after elf load Pratyush Anand
2017-03-02 8:36 ` [Makedumpfile Patch v3 2/7] initial(): call cach_init() a bit early Pratyush Anand
2017-07-19 7:46 ` Atsushi Kumagai
2017-07-19 11:20 ` Pratyush Anand
2017-07-20 6:54 ` Atsushi Kumagai
2017-07-20 8:01 ` Hatayama, Daisuke
2017-03-02 8:36 ` [Makedumpfile Patch v3 3/7] x86_64: check physical address in PT_LOAD for none direct mapped regions Pratyush Anand
2017-03-02 8:36 ` [Makedumpfile Patch v3 4/7] elf_info: kcore: check for invalid physical address Pratyush Anand
2017-03-02 8:36 ` [Makedumpfile Patch v3 5/7] makedumpfile: Correct the calculation of kvaddr in set_kcore_vmcoreinfo Pratyush Anand
2017-03-02 8:36 ` [Makedumpfile Patch v3 6/7] makedumpfile: Discard process_dump_load Pratyush Anand
2017-03-02 8:36 ` [Makedumpfile Patch v3 7/7] mem-usage: allow to work only with -f for kernel version < 4.11 Pratyush Anand
2017-03-03 2:10 ` Atsushi Kumagai
2017-03-03 2:48 ` Pratyush Anand
2017-03-03 3:07 ` bhe
2017-03-03 4:35 ` Atsushi Kumagai
2017-03-03 4:56 ` Pratyush Anand
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