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Stafford Horne 7d2ae3decd openrisc: Pretty print show_registers memory dumps 
Currently show registers, print memory dumps character by character and
there is no address information, so its a bit difficult to use.  For
example before a stack dump looks as follows.

    [   13.650000] Stack:
    [   13.650000] Call trace
    [   13.690000] [<(ptrval)>] ? put_timespec64+0x44/0x60
    [   13.690000] [<(ptrval)>] ? _data_page_fault_handler+0x104/0x10c
    [   13.700000]
    [   13.700000] Code:
    [   13.700000] 13
    [   13.700000] ff
    [   13.700000] ff
    [   13.700000] f9
    [   13.710000] 84
    [   13.710000] 82
    [   13.710000] ff
    [   13.710000] bc
    [   13.710000] 07
    [   13.710000] fd
    [   13.720000] 4e
    [   13.720000] 67
    [   13.720000] 84
    [   13.720000] 62
    [   13.720000] ff
    ...

This change updates this to print the address and data a word at time.

    [    0.830000] Stack:
    [    0.830000] Call trace:
    [    0.830000] [<(ptrval)>] load_elf_binary+0x744/0xf5c
    [    0.830000] [<(ptrval)>] ? __kernel_read+0x144/0x184
    [    0.830000] [<(ptrval)>] bprm_execve+0x27c/0x3e4
    [    0.830000] [<(ptrval)>] kernel_execve+0x16c/0x1a0
    [    0.830000] [<(ptrval)>] run_init_process+0xa0/0xec
    [    0.830000] [<(ptrval)>] ? kernel_init+0x0/0x14c
    [    0.830000] [<(ptrval)>] kernel_init+0x7c/0x14c
    [    0.830000] [<(ptrval)>] ? calculate_sigpending+0x30/0x40
    [    0.830000] [<(ptrval)>] ret_from_fork+0x1c/0x84
    [    0.830000]
    [    0.830000]  c1033dbc:       c1033dec
    [    0.830000]  c1033dc0:       c015258c
    [    0.830000]  c1033dc4:       c129da00
    [    0.830000]  c1033dc8:       00000002
    [    0.830000]  c1033dcc:       00000000
    [    0.830000]  c1033dd0:       c129da00
    [    0.830000]  c1033dd4:       00000000
    [    0.830000]  c1033dd8:       00000000
    [    0.830000] (c1033ddc:)      00001e04
    [    0.830000]  c1033de0:       001501fc
    [    0.830000]  c1033de4:       c1033e68
    [    0.830000]  c1033de8:       c0152e60
    [    0.830000]  c1033dec:       c129da5c
    [    0.830000]  c1033df0:       c0674a20
    [    0.830000]  c1033df4:       c1033e50
    [    0.830000]  c1033df8:       c00e3d6c
    [    0.830000]  c1033dfc:       c129da5c
    [    0.830000]  c1033e00:       00000003
    [    0.830000]  c1033e04:       00150000
    [    0.830000]  c1033e08:       00002034
    [    0.830000]  c1033e0c:       001501fc
    [    0.830000]  c1033e10:       00000000
    [    0.830000]  c1033e14:       00150000
    [    0.830000]  c1033e18:       0014ebbc
    [    0.830000]  c1033e1c:       00002000
    [    0.830000]  c1033e20:       00000003
    [    0.830000]  c1033e24:       c12a07e0
    [    0.830000]  c1033e28:       00000000
    [    0.830000]  c1033e2c:       00000000
    [    0.830000]  c1033e30:       00000000
    [    0.830000]  c1033e34:       40040000
    [    0.830000]  c1033e38:       00000000
    [    0.830000]
    [    0.830000] Code:
    [    0.830000]  c00047a4:       9c21fff8
    [    0.830000]  c00047a8:       d4012000
    [    0.830000]  c00047ac:       d4011804
    [    0.830000]  c00047b0:       e4040000
    [    0.830000]  c00047b4:       10000005
    [    0.830000]  c00047b8:       9c84ffff
    [    0.830000] (c00047bc:)      d8030000
    [    0.830000]  c00047c0:       03fffffc
    [    0.830000]  c00047c4:       9c630001
    [    0.830000]  c00047c8:       9d640001
    [    0.830000]  c00047cc:       84810000
    [    0.830000]  c00047d0:       84610004

Now we are also printing a bit of the stack as well as the code.  The
stack is output to help with debugging.  There may be concern about
exposing sensitive information on the stack, but we are already dumping
all register content which would have similar sensitive information.  So
I am going ahead as this proves useful in investigation.

Signed-off-by: Stafford Horne <shorne@gmail.com>
History 2022-05-23 17:15:49 +09:00
arch openrisc: Pretty print show_registers memory dumps 2022-05-23 17:15:49 +09:00
block block: don't print I/O error warning for dead disks 2022-04-15 06:33:03 -06:00
certs Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
crypto for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
Documentation Fix some syzbot-detected bugs, as well as other bugs found by I/O 2022-04-22 18:18:27 -07:00
drivers - Read the reported error count from the proper register on synopsys_edac 2022-04-24 11:24:48 -07:00
fs 3 fixes to ksmbd server 2022-04-23 17:16:10 -07:00
include drm fixes for 5.18-rc4 - 2nd part 2022-04-23 09:57:30 -07:00
init Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel - Fix a corner case when calculating sched runqueue variables 2022-04-24 13:28:06 -07:00
lib XArray: Disallow sibling entries of nodes 2022-04-22 15:35:40 -04:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm kvmalloc: use vmalloc_huge for vmalloc allocations 2022-04-24 10:05:38 -07:00
net netlink: reset network and mac headers in netlink_dump() 2022-04-19 15:05:03 +02:00
samples dma-mapping updates for Linux 5.18 2022-03-29 08:50:14 -07:00
scripts hardening fixes for v5.18-rc3 2022-04-12 14:29:40 -10:00
security hardening updates for v5.18-rc1-fix1 2022-03-31 11:43:01 -07:00
sound ALSA: hda/realtek: Add quirk for Clevo NP70PNP 2022-04-21 21:23:47 +02:00
tools perf tools fixes for v5.18: 3rd batch 2022-04-23 09:36:23 -07:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt KVM: SEV: add cache flush to solve SEV cache incoherency issues 2022-04-21 15:41:00 -04:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update Vasily Averin's email address 2022-04-08 14:20:36 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge branch 'akpm' (patches from Andrew) 2022-04-22 10:10:43 -07:00
Makefile Linux 5.18-rc4 2022-04-24 14:51:22 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.