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linux/drivers/s390/char
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Alexander Gordeev ec75af7e81 s390/early: fix sclp_early_sccb variable lifetime 
[ Upstream commit 639886b71d ]

Commit ada1da31ce ("s390/sclp: sort out physical vs
virtual pointers usage") fixed the notion of virtual
address for sclp_early_sccb pointer. However, it did
not take into account that kasan_early_init() can also
output messages and sclp_early_sccb should be adjusted
by the time kasan_early_init() is called.

Currently it is not a problem, since virtual and physical
addresses on s390 are the same. Nevertheless, should they
ever differ, this would cause an invalid pointer access.

Fixes: ada1da31ce ("s390/sclp: sort out physical vs virtual pointers usage")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-03-10 09:32:53 +01:00
..
con3215.c s390/consoles: improve panic notifiers reliability 2022-05-06 20:45:13 +02:00
con3270.c s390/consoles: improve panic notifiers reliability 2022-05-06 20:45:13 +02:00
ctrlchar.c s390/ctrlchar: fix kernel doc comment 2021-09-07 13:38:42 +02:00
ctrlchar.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
defkeymap.c s390/defkeymap: fix global init to zero 2018-03-18 23:02:02 -07:00
defkeymap.map s390: add a few more SPDX identifiers 2017-12-05 07:51:09 +01:00
diag_ftp.c s390/extable: move EX_TABLE define to asm-extable.h 2022-03-08 00:33:00 +01:00
diag_ftp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs3270.c *: convert stream-like files from nonseekable_open -> stream_open 2019-05-06 17:46:41 +03:00
hmcdrv_cache.c s390: move from strlcpy with unused retval to strscpy 2022-08-30 22:00:33 +02:00
hmcdrv_cache.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hmcdrv_dev.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hmcdrv_dev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hmcdrv_ftp.c s390/hmcdrv_ftp: fix kernel doc comment 2021-09-07 13:38:42 +02:00
hmcdrv_ftp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hmcdrv_mod.c s390: char: add SPDX identifiers to the remaining files 2017-11-24 14:28:42 +01:00
Kconfig s390/hmcdrv: fix Kconfig "its" grammar 2022-07-28 18:05:22 +02:00
keyboard.c TTY/Serial driver patches for 4.19-rc1 2018-08-18 10:50:41 -07:00
keyboard.h tty: the rest, stop using tty_schedule_flip() 2021-11-25 18:35:23 +01:00
Makefile drivers/s390/char: Add Ultravisor io device 2022-05-20 16:38:35 +02:00
monreader.c s390/monreader: Remove power management support 2021-06-18 16:41:20 +02:00
monwriter.c s390/monwriter: Remove power management support 2021-06-18 16:41:20 +02:00
raw3270.c s390/consoles: improve panic notifiers reliability 2022-05-06 20:45:13 +02:00
raw3270.h s390/consoles: improve panic notifiers reliability 2022-05-06 20:45:13 +02:00
sclp.c s390/sclp: Fix typo in comments 2022-06-30 19:40:36 +02:00
sclp.h s390/extable: move EX_TABLE define to asm-extable.h 2022-03-08 00:33:00 +01:00
sclp_ap.c s390/sclp: Add support for SCLP AP adapter config/deconfig 2020-10-07 21:50:00 +02:00
sclp_cmd.c s390: remove invalid email address of Heiko Carstens 2022-02-06 23:31:29 +01:00
sclp_con.c s390/consoles: improve panic notifiers reliability 2022-05-06 20:45:13 +02:00
sclp_config.c s390: remove invalid email address of Heiko Carstens 2022-02-06 23:31:29 +01:00
sclp_cpi_sys.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sclp_cpi_sys.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sclp_ctl.c compat: Move compat_timespec/ timeval to compat_time.h 2018-04-19 13:29:54 +02:00
sclp_diag.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sclp_early.c s390/early: fix sclp_early_sccb variable lifetime 2023-03-10 09:32:53 +01:00
sclp_early_core.c s390/boot: move sclp early buffer from fixed address in asm to C 2021-07-27 09:39:15 +02:00
sclp_ftp.c s390/hmcdrv: fix kernel doc comments 2021-10-26 15:21:29 +02:00
sclp_ftp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sclp_ocf.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sclp_pci.c s390: Replace zero-length array with flexible-array member 2020-02-27 16:02:21 +01:00
sclp_quiesce.c s390/sclp: Remove quiesce power management support 2021-06-18 16:41:20 +02:00
sclp_rw.c TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
sclp_rw.h TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
sclp_sd.c s390/sclp_sd: use default_groups in kobj_type 2022-01-08 17:44:05 +01:00
sclp_sdias.c s390/sclp_sdias: fix sclp_sdias_copy() virtual vs physical address confusion 2022-02-06 23:31:29 +01:00
sclp_sdias.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sclp_tty.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
sclp_tty.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sclp_vt220.c s390/consoles: improve panic notifiers reliability 2022-05-06 20:45:13 +02:00
tape.h s390/tape: remove unsupported PM functions 2020-12-02 18:19:24 +01:00
tape_34xx.c s390/tape: fix comment typo 2022-07-28 18:05:23 +02:00
tape_3590.c s390/tape: Fix spelling mistake in function name tape_3590_erp_succeded 2021-01-27 13:00:47 +01:00
tape_3590.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tape_char.c s390: Fix fall-through warnings for Clang 2021-07-13 14:43:09 -05:00
tape_class.c s390: move from strlcpy with unused retval to strscpy 2022-08-30 22:00:33 +02:00
tape_class.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tape_core.c s390/tape: remove unsupported PM functions 2020-12-02 18:19:24 +01:00
tape_proc.c s390/drivers: fix proc/debugfs file permissions 2018-12-13 10:42:24 +01:00
tape_std.c s390/tape: fix timer initialization in tape_std_assign() 2021-11-08 14:17:49 +01:00
tape_std.h s390: remove orphaned function declarations 2020-09-30 12:09:54 +02:00
tty3270.c tty: Make ->set_termios() old ktermios const 2022-08-30 14:22:35 +02:00
tty3270.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
uvdevice.c s390/uvdevice: autoload module based on CPU facility 2022-07-19 16:18:49 +02:00
vmcp.c s390/vmcp: use page_to_virt instead of page_to_phys 2021-12-06 14:42:25 +01:00
vmlogrdr.c s390/vmlogrdr: Remove power management support 2021-06-18 16:41:21 +02:00
vmur.c s390/vmur: generate uevent on unsolicited device end 2022-10-10 10:15:10 +02:00
vmur.h s390/vmur: generate uevent on unsolicited device end 2022-10-10 10:15:10 +02:00
zcore.c use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00