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linux-brain/arch/powerpc/platforms/powermac
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Christophe Leroy 94e27f1369 powerpc/powermac: Fix low_sleep_handler with KUAP and KUEP 
commit 2c637d2df4ee4830e9d3eb2bd5412250522ce96e upstream.

low_sleep_handler() has an hardcoded restore of segment registers
that doesn't take KUAP and KUEP into account.

Use head_32's load_segment_registers() routine instead.

Fixes: a68c31fc01 ("powerpc/32s: Implement Kernel Userspace Access Protection")
Fixes: 31ed2b13c4 ("powerpc/32s: Implement Kernel Userspace Execution Prevention.")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/21b05f7298c1b18f73e6e5b4cd5005aafa24b6da.1599820109.git.christophe.leroy@csgroup.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-05 11:43:31 +01:00
..
backlight.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
bootx_init.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cache.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
feature.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Kconfig powerpc: enable a 30-bit ZONE_DMA for 32-bit pmac 2019-06-19 22:31:20 +10:00
low_i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Makefile powerpc: disable KASAN instrumentation on early/critical files. 2019-05-03 01:20:26 +10:00
nvram.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pci.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pfunc_base.c powerpc: Use of_node_name_eq for node name comparisons 2018-12-22 21:29:50 +11:00
pfunc_core.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
pic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pmac.h powerpc: use time64_t in read_persistent_clock 2018-06-03 20:43:33 +10:00
setup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sleep.S powerpc/powermac: Fix low_sleep_handler with KUAP and KUEP 2020-11-05 11:43:31 +01:00
smp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
time.c powerpc: Adopt nvram module for PPC64 2019-01-22 10:21:45 +01:00
udbg_adb.c powerpc: Use device_type helpers to access the node type 2018-11-26 22:33:37 +11:00
udbg_scc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00