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741c5640a1
linux/arch/powerpc/platforms/52xx
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Kees Cook 741c5640a1 powerpc/mpc5200: Remove VLA usage 
In the quest to remove all stack VLA usage from the kernel[1], this
switches to using a stack size large enough for the saved routine and
adds a sanity check making sure the routine doesn't overflow into the
0x600 exception handler.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-07-03 12:00:54 +10:00
..
efika.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lite5200_pm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lite5200_sleep.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lite5200.c powerpc: Move 32-bit probe() machine to later in the boot process 2016-07-21 19:06:42 +10:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
media5200.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mpc52xx_common.c powerpc: Make ppc_md.{halt, restart} __noreturn 2016-07-14 21:12:06 +10:00
mpc52xx_gpt.c powerpc/mpc52xx_gpt: make use of raw_spinlock variants 2018-01-27 21:12:04 +11:00
mpc52xx_lpbfifo.c powerpc: platforms: mpc52xx_lpbfifo: Fix module autoload for OF platform driver 2015-10-22 14:36:53 +02:00
mpc52xx_pci.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mpc52xx_pic.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
mpc52xx_pm.c powerpc/mpc5200: Remove VLA usage 2018-07-03 12:00:54 +10:00
mpc52xx_sleep.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpc5200_simple.c powerpc: Move 32-bit probe() machine to later in the boot process 2016-07-21 19:06:42 +10:00