From: Vivek Goyal <vgoyal@redhat.com>
To: Baoquan He <bhe@redhat.com>
Cc: linux-kernel@vger.kernel.org, ak@linux.intel.com,
mingo@redhat.com, whissi@whissi.de, dyoung@redhat.com,
tglx@linutronix.de, keescook@chromium.org, chaowang@redhat.com,
Atsushi Kumagai <kumagai-atsushi@mxc.nes.nec.co.jp>
Subject: Re: [PATCH 4/4] export the kernel image size KERNEL_IMAGE_SIZE
Date: Tue, 9 Sep 2014 15:47:05 -0400 [thread overview]
Message-ID: <20140909194704.GC20681@redhat.com> (raw)
In-Reply-To: <1409926097-2101-5-git-send-email-bhe@redhat.com>
On Fri, Sep 05, 2014 at 10:08:17PM +0800, Baoquan He wrote:
> Now kaslr makes kernel image size changable, not the fixed size 512M.
> So KERNEL_IMAGE_SIZE need be exported to VMCOREINFO, otherwise makedumfile
> will crash.
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
This one sounds reasonable. CCing Atshushi.
Thanks
Vivek
> ---
> kernel/kexec.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/kernel/kexec.c b/kernel/kexec.c
> index 2bee072..bd680d3 100644
> --- a/kernel/kexec.c
> +++ b/kernel/kexec.c
> @@ -2003,6 +2003,9 @@ static int __init crash_save_vmcoreinfo_init(void)
> #endif
> VMCOREINFO_NUMBER(PG_head_mask);
> VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
> +#ifdef CONFIG_X86
> + VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE);
> +#endif
> #ifdef CONFIG_HUGETLBFS
> VMCOREINFO_SYMBOL(free_huge_page);
> #endif
> --
> 1.8.5.3
prev parent reply other threads:[~2014-09-09 19:47 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-05 14:08 [PATCH 0/4] fix the compatibility between kaslr and kexe Baoquan He
2014-09-05 14:08 ` [PATCH 1/4] kaslr: check user's config too when handle relocations Baoquan He
2014-09-05 17:11 ` Kees Cook
2014-09-05 22:37 ` Baoquan He
2014-09-09 6:24 ` Baoquan He
2014-09-09 15:53 ` Kees Cook
2014-09-09 19:28 ` Vivek Goyal
2014-09-09 21:13 ` Kees Cook
2014-09-10 7:21 ` Baoquan He
2014-09-10 14:30 ` Vivek Goyal
2014-09-10 14:41 ` Kees Cook
2014-09-10 15:05 ` Vivek Goyal
2014-09-10 15:27 ` Baoquan He
2014-09-10 15:38 ` Vivek Goyal
2014-09-11 9:31 ` Baoquan He
2014-09-11 16:18 ` Kees Cook
2014-09-10 14:53 ` Baoquan He
2014-09-10 15:04 ` Vivek Goyal
2014-09-10 15:13 ` Baoquan He
2014-09-10 6:10 ` Baoquan He
2014-09-10 13:20 ` Vivek Goyal
2014-09-05 14:08 ` [PATCH 2/4] kaslr: check if the random addr is available Baoquan He
2014-09-05 17:16 ` Kees Cook
2014-09-05 22:16 ` Baoquan He
2014-09-09 19:41 ` Vivek Goyal
2014-09-10 13:55 ` Baoquan He
2014-09-05 14:08 ` [PATCH 3/4] kaslr setup_data handling Baoquan He
2014-09-05 17:32 ` Kees Cook
2014-09-05 22:27 ` Baoquan He
2014-09-09 19:45 ` Vivek Goyal
2014-09-09 19:49 ` H. Peter Anvin
2014-09-09 21:10 ` Kees Cook
2014-09-05 14:08 ` [PATCH 4/4] export the kernel image size KERNEL_IMAGE_SIZE Baoquan He
2014-09-05 17:00 ` Kees Cook
2014-09-09 19:47 ` Vivek Goyal [this message]
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