On Thu, Aug 03, 2023 at 01:20:28PM -0500, Eric DeVolder wrote:
>
>
> On 7/21/23 11:32, Eric DeVolder wrote:
> >
> >
> > On 7/3/23 11:53, Eric DeVolder wrote:
> > >
> > >
> > > On 7/3/23 08:05, Greg KH wrote:
> > >
On Thu, Jun 29, 2023 at 03:21:15PM -0400, Eric DeVolder wrote:
> +What:/sys/devices/system/cpu/crash_hotplug
> +Date:Jun 2023
It's not "Jun" anymore :(
> +Contact: Linux kernel mailing list
Why are you not going to maintain this? Why is this up to me?
On Thu, Jun 29, 2023 at 03:21:10PM -0400, Eric DeVolder wrote:
> - the function body of the callback functions are now wrapped with
>IS_ENABLED(); as the callback function must exist now that the
>attribute is always compiled-in (though not necessarily visible).
Why do you need to do
On Mon, Jun 12, 2023 at 05:07:08PM -0400, Eric DeVolder wrote:
> Introduce the crash_hotplug attribute for memory and CPUs for
> use by userspace. These attributes directly facilitate the udev
> rule for managing userspace re-loading of the crash kernel upon
> hot un/plug changes.
>
> For
On Tue, Jun 28, 2022 at 09:12:48PM +0530, Naveen N. Rao wrote:
> commit 3e35142ef99fe6b4fe5d834ad43ee13cca10a2dc upstream.
>
> Since commit d1bcae833b32f1 ("ELF: Don't generate unused section
> symbols") [1], binutils (v2.36+) started dropping section symbols that
> it thought were unused. This
On Wed, Mar 31, 2021 at 04:03:24PM +0800, Baoquan He wrote:
> Add Sasha and Greg to the CC list.
>
> On 03/31/21 at 11:48am, Baoquan He wrote:
> > On 03/31/21 at 11:04am, Patrick Sung wrote:
> > > On Wed, Mar 31, 2021 at 10:47 AM Baoquan He wrote:
> > > >
> > > > On 03/24/21 at 12:28pm, Patrick
On Fri, Jan 08, 2021 at 11:32:48AM +0800, Baoquan He wrote:
> On 09/30/20 at 12:23pm, Alexander Egorenkov wrote:
> > The offset of the field 'init_uts_ns.name' has changed
> > since commit 9a56493f6942 ("uts: Use generic ns_common::count").
>
> This patch is merged into 5.11-rc1, but we met the
On Fri, Jan 08, 2021 at 11:32:48AM +0800, Baoquan He wrote:
> On 09/30/20 at 12:23pm, Alexander Egorenkov wrote:
> > The offset of the field 'init_uts_ns.name' has changed
> > since commit 9a56493f6942 ("uts: Use generic ns_common::count").
>
> This patch is merged into 5.11-rc1, but we met the
On Wed, May 13, 2020 at 04:16:22PM +, Luis Chamberlain wrote:
> On Wed, May 13, 2020 at 10:40:31AM -0500, Eric W. Biederman wrote:
> > Luis Chamberlain writes:
> >
> > > Certain symbols are not meant to be used by everybody, the security
> > > helpers for reading files directly is one such
On Wed, May 13, 2020 at 10:40:31AM -0500, Eric W. Biederman wrote:
> Luis Chamberlain writes:
>
> > Certain symbols are not meant to be used by everybody, the security
> > helpers for reading files directly is one such case. Use a symbol
> > namespace for them.
> >
> > This will prevent abuse of
On Wed, May 13, 2020 at 03:21:08PM +, Luis Chamberlain wrote:
> Signed-off-by: Luis Chamberlain
I can't take patches without any changelog text at all, sorry.
greg k-h
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On Sun, Mar 29, 2020 at 10:19:07AM +0300, Leon Romanovsky wrote:
> On Tue, Mar 24, 2020 at 09:53:16PM +0900, Jaewon Kim wrote:
> >
> >
> > On 2020년 03월 24일 20:46, Greg KH wrote:
> > > On Tue, Mar 24, 2020 at 08:37:38PM +0900, Jaewon Kim wrote:
> > >>
&g
On Tue, Mar 24, 2020 at 09:53:16PM +0900, Jaewon Kim wrote:
>
>
> On 2020년 03월 24일 20:46, Greg KH wrote:
> > On Tue, Mar 24, 2020 at 08:37:38PM +0900, Jaewon Kim wrote:
> >>
> >> On 2020년 03월 24일 19:11, Greg KH wrote:
> >>> On Tue, Mar 2
On Tue, Mar 24, 2020 at 08:37:38PM +0900, Jaewon Kim wrote:
>
>
> On 2020년 03월 24일 19:11, Greg KH wrote:
> > On Tue, Mar 24, 2020 at 06:11:17PM +0900, Jaewon Kim wrote:
> >> On 2020년 03월 23일 18:53, Greg KH wrote:
> >>>> +int register_meminfo_extra(at
On Tue, Mar 24, 2020 at 06:11:17PM +0900, Jaewon Kim wrote:
> On 2020년 03월 23일 18:53, Greg KH wrote:
> >> +int register_meminfo_extra(atomic_long_t *val, int shift, const char
> >> *name)
> >> +{
> >> + struct meminfo_extra *meminfo, *memtemp;
On Mon, Mar 23, 2020 at 05:05:01PM +0900, Jaewon Kim wrote:
> Provide APIs to drivers so that they can show its memory usage on
> /proc/meminfo_extra.
>
> int register_meminfo_extra(atomic_long_t *val, int shift,
> const char *name);
> int
On Mon, Mar 23, 2020 at 05:05:03PM +0900, Jaewon Kim wrote:
> In Android system ion system heap size is huge like hundreds of MB. To
> know overal system memory usage, include ion system heap size in
> proc/meminfo_extra.
>
> To include heap size, use register_meminfo_extra introduced in previous
On Tue, Apr 17, 2018 at 01:14:17PM +0530, Rahul Lakkireddy wrote:
> +config PROC_VMCORE_DEVICE_DUMP
> + bool "Device Hardware/Firmware Log Collection"
> + depends on PROC_VMCORE
> + default y
Only things that require the machine to keep working should be 'default
y', please remove
On Wed, Nov 27, 2013 at 12:18:28PM -0700, Khalid Aziz wrote:
+/* flag to track if kexec reboot is in progress */
+extern unsigned long kexec_in_progress;
unsigned long for a flag?
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On Wed, Nov 27, 2013 at 12:59:40PM -0700, Khalid Aziz wrote:
On 11/27/2013 12:38 PM, ebied...@xmission.com wrote:
Khalid Aziz khalid.a...@oracle.com writes:
Add a flag to tell the PCI subsystem that kernel is shutting down
in prepapration to kexec a kernel. Add code in PCI subsystem to use
On Wed, Nov 27, 2013 at 09:53:09PM +, Matthew Garrett wrote:
On Wed, Nov 27, 2013 at 01:22:27PM -0800, Greg KH wrote:
Then fix the drivers please. It's not as if you don't have access to
the source for them all...
Define fix. It's clearly wrong to disable busmastering at shutdown
On Fri, Nov 22, 2013 at 09:19:46AM -0500, Vivek Goyal wrote:
On Fri, Nov 22, 2013 at 05:34:03AM -0800, Eric W. Biederman wrote:
[..]
Why ELF case is so interesting. I have not use kexec to boot ELF
images in years and have not seen others using it too. In fact bzImage
seems to be the
On Wed, Nov 20, 2013 at 12:50:46PM -0500, Vivek Goyal wrote:
Right now we seem to be exporting the max data size contained inside
vmcoreinfo note. But this does not include the size of meta data around
vmcore info data. Like name of the note and starting and ending elf_note.
I think user
On Wed, Nov 20, 2013 at 12:50:49PM -0500, Vivek Goyal wrote:
This patch implements the in kernel kexec functionality. It implements a
new system call kexec_file_load. I think parameter list of this system
call will change as I have not done the kernel image signature handling
yet. I have been
On Thu, Nov 21, 2013 at 02:17:09PM +0800, dyo...@redhat.com wrote:
Export fw_vendor, runtime and config tables physical
addresses to /sys/firmware/efi/systab becaue kexec
kernel will need them.
From EFI spec these 3 variables will be updated to
virtual address after entering virtual mode.
On Wed, Nov 20, 2013 at 12:50:45PM -0500, Vivek Goyal wrote:
Current proposed secureboot implementation disables kexec/kdump because
it can allow unsigned kernel to run on a secureboot platform. Intial
idea was to sign /sbin/kexec binary and let that binary do the kernel
signature
On Wed, Nov 20, 2013 at 12:50:50PM -0500, Vivek Goyal wrote:
This is loader specific code which can load bzImage and set it up for
64bit entry. This does not take care of 32bit entry or real mode entry
yet.
Signed-off-by: Vivek Goyal vgo...@redhat.com
---
On Thu, Nov 21, 2013 at 02:17:13PM +0800, dyo...@redhat.com wrote:
kexec-tools use boot_params for getting the 1st kernel hardware_subarch,
the kexec kernel efi runtime support also need read the old efi_info from
boot_params. Currently it exists in debugfs which is not a good place for
such
On Tue, Nov 12, 2013 at 04:08:54PM +0800, Dave Young wrote:
On 11/11/13 at 11:58pm, Greg KH wrote:
kexec-tools can have a fallback to debugfs if we really need it, but
making people mount debugfs to have some essential piece of
functionality scares the heck out of me.
I agree
On Tue, Nov 12, 2013 at 04:24:01PM +0800, Dave Young wrote:
On 11/12/13 at 04:19pm, Dave Young wrote:
On 11/11/13 at 04:40pm, Greg KH wrote:
On Tue, Nov 05, 2013 at 04:20:11PM +0800, dyo...@redhat.com wrote:
Export fw_vendor, runtime and config tables physical
addresses to /sys
On Tue, Nov 12, 2013 at 01:37:25AM -0800, H. Peter Anvin wrote:
On 11/12/2013 12:30 AM, Greg KH wrote:
And these binary data blobs are a standard somewhere, and will not
change per kernel version change?
If so, that structure is fine with me.
Correct. The structure
On Tue, Nov 05, 2013 at 04:20:11PM +0800, dyo...@redhat.com wrote:
Export fw_vendor, runtime and config tables physical
addresses to /sys/firmware/efi/systab becaue kexec
kernel will need them.
sysfs files are one-value-per-file.
Please don't abuse this and add more values to this single
On Mon, Nov 11, 2013 at 07:20:17PM -0800, H. Peter Anvin wrote:
On 11/11/2013 05:27 PM, Toshi Kani wrote:
On Tue, 2013-11-05 at 16:29 +0800, dyo...@redhat.com wrote:
Not only setup_subarch will get data from debugfs file
boot_params/data, later code for adding efi_info will
also need do
On Thu, Sep 12, 2013 at 07:43:36AM -0400, Vivek Goyal wrote:
On Wed, Sep 11, 2013 at 08:40:23PM -0700, Greg KH wrote:
On Tue, Sep 10, 2013 at 05:44:15PM -0400, Vivek Goyal wrote:
Hi,
Matthew has been posting patches to lock down kernel either due to
secureboot requirements
On Tue, Sep 10, 2013 at 05:44:15PM -0400, Vivek Goyal wrote:
Hi,
Matthew has been posting patches to lock down kernel either due to
secureboot requirements or because of signed modules with signing
enforced. In kernel lock down mode, kexec will be disabled and that
means kdump will not work
On Tue, Sep 10, 2013 at 05:44:29PM -0400, Vivek Goyal wrote:
User space kexec-tools need to know whether to verify signature of kernel
image being loaded. This patch exports two knobs to user space. One is
for knowing if secureboot is enabled, this knob will be set to 1 if secure
boot is
On Wed, Jul 04, 2012 at 06:05:19PM +0800, Yanfei Zhang wrote:
+int vmcs_sysfs_add(struct device *dev)
+{
+ return sysfs_create_group(dev-kobj, vmcs_attr_group);
+}
+
+void vmcs_sysfs_remove(struct device *dev)
+{
+ sysfs_remove_group(dev-kobj, vmcs_attr_group);
+}
Why are these
On Thu, Jun 28, 2012 at 05:54:30PM +0800, Yanfei Zhang wrote:
于 2012年06月28日 03:22, Greg KH 写道:
On Wed, Jun 27, 2012 at 04:54:54PM +0800, Yanfei Zhang wrote:
This patch export offsets of fields via /sys/devices/cpu/vmcs/.
Individual offsets are contained in subfiles named by the filed's
On Thu, Jun 28, 2012 at 04:37:38AM -0700, Greg KH wrote:
On Thu, Jun 28, 2012 at 05:54:30PM +0800, Yanfei Zhang wrote:
于 2012年06月28日 03:22, Greg KH 写道:
On Wed, Jun 27, 2012 at 04:54:54PM +0800, Yanfei Zhang wrote:
This patch export offsets of fields via /sys/devices/cpu/vmcs
On Wed, Jun 27, 2012 at 04:54:54PM +0800, Yanfei Zhang wrote:
This patch export offsets of fields via /sys/devices/cpu/vmcs/.
Individual offsets are contained in subfiles named by the filed's
encoding, e.g.: /sys/devices/cpu/vmcs/0800
Signed-off-by: zhangyanfei zhangyan...@cn.fujitsu.com
On Tue, Apr 17, 2012 at 09:52:42AM +0800, zhangyanfei wrote:
于 2012年04月13日 07:00, Greg KH 写道:
On Wed, Apr 11, 2012 at 09:57:34AM +0800, zhangyanfei wrote:
This patch creates sysfs file to export where VMCSINFO is allocated,
as below:
$ cat /sys/kernel/vmcsinfo
1cb88a0
On Wed, Apr 11, 2012 at 09:57:34AM +0800, zhangyanfei wrote:
This patch creates sysfs file to export where VMCSINFO is allocated,
as below:
$ cat /sys/kernel/vmcsinfo
1cb88a0 2000
number on the left-hand side is the physical address of VMCSINFO,
while the one on the
2.6.33-longterm review patch. If anyone has any objections, please let us know.
--
Content-Length: 2026
Lines: 68
From: Cliff Wickman c...@sgi.com
commit 3ee48b6af49cf534ca2f481ecc484b156a41451d upstream.
During the reading of /proc/vmcore the kernel is doing
On Wed, Dec 22, 2010 at 06:35:40PM -0500, Seiji Aguchi wrote:
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -81,6 +81,9 @@
#include linux/nmi.h
#endif
+#ifdef CONFIG_X86_MCE
+#include asm/mce.h
+#endif
Please don't put ifdefs in .c files, you do that a lot for this option.
Just make
2.6.32-stable review patch. If anyone has any objections, please let us know.
--
From: Cliff Wickman c...@sgi.com
commit 3ee48b6af49cf534ca2f481ecc484b156a41451d upstream.
During the reading of /proc/vmcore the kernel is doing
ioremap()/iounmap() repeatedly. And the buildup of
2.6.36-stable review patch. If anyone has any objections, please let us know.
--
From: Cliff Wickman c...@sgi.com
commit 3ee48b6af49cf534ca2f481ecc484b156a41451d upstream.
During the reading of /proc/vmcore the kernel is doing
ioremap()/iounmap() repeatedly. And the buildup of
that interface for E820 on x86.
Change compared to previous commit:
1. Comments from Greg KH.
2. Documentation.
The patch has been tested on i386 and x86_64 with success.
Looks good, want me to take this through my tree (due to the firmware
core change)? If so, can you get an ack on the x86
On Fri, Jun 27, 2008 at 01:12:54PM +0200, Bernhard Walle wrote:
This patch adds /sys/firmware/memmap interface that represents the BIOS
(or Firmware) provided memory map. The tree looks like:
/sys/firmware/memmap/0/start (hex number)
end (hex number)
On Thu, Jun 26, 2008 at 10:19:01PM +0200, Bernhard Walle wrote:
This patch adds /sys/firmware/memmap interface that represents the BIOS
(or Firmware) provided memory map. The tree looks like:
/sys/firmware/memmap/0/start (hex number)
end (hex number)
On Fri, Apr 11, 2008 at 04:53:52PM +0900, Takenori Nagano wrote:
This patch adds new notifier function tunable_notifier_chain. Its base is
atomic_notifier_chain.
You are adding sysfs files, not debugfs files, please change your
announcement text.
Also, as you are adding new sysfs files, we
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