Re: How could we get rid of saved_max_pfn for calgary iommu?

2014-02-19 Thread Vivek Goyal
On Wed, Feb 19, 2014 at 05:04:22PM -0700, Jon Mason wrote: > On Tue, Feb 18, 2014 at 11:18 PM, WANG Chao wrote: > > Hi, All > > > > arch/x86/kernel/pci-calgary.c is the only user of saved_max_pfn today: > > > > int __init detect_calgary(void) > > { > > [..] > > specified_table_size

Re: How could we get rid of saved_max_pfn for calgary iommu?

2014-02-19 Thread Jon Mason
On Tue, Feb 18, 2014 at 11:18 PM, WANG Chao wrote: > Hi, All > > arch/x86/kernel/pci-calgary.c is the only user of saved_max_pfn today: > > int __init detect_calgary(void) > { > [..] > specified_table_size = determine_tce_table_size((is_kdump_kernel() ? >

[PATCH] kexec: Fix ->unuseable_pages typo

2014-02-19 Thread Borislav Petkov
From: Borislav Petkov Let's use the more common "unusable". Cc: Eric Biederman Cc: kexec@lists.infradead.org Signed-off-by: Borislav Petkov --- include/linux/kexec.h | 2 +- kernel/kexec.c| 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/kexec.h

Re: [Crash-utility] crash: struct command can read irrelevant pages.

2014-02-19 Thread Dave Anderson
- Original Message - > Hello, > > Finally, I've found the cause of the issue I mentioned as below > when makedumpfile v1.5.5 was released: > > > 2. At first, the supported kernel will be updated to 3.12, but I > > found an issue while testing for v1.5.5, which seems that the page > > fi

Kexec question

2014-02-19 Thread Caswell, Paul
Hello List, I have a project requirement and I was wondering whether it would be possible to solve it using kexec. I want to run a minimalist Linux OS on a x86 processor based system, I will supply a fixed memory range to the kernel on boot to limit the physical RAM used. On shutdown I want to c