TencentOS-kernel/arch
Geoff Levand cf880ca74e powerpc/ps3: Fix kexec shutdown hang
[ Upstream commit 126554465d93b10662742128918a5fc338cda4aa ]

The ps3_mm_region_destroy() and ps3_mm_vas_destroy() routines
are called very late in the shutdown via kexec's mmu_cleanup_all
routine.  By the time mmu_cleanup_all runs it is too late to use
udbg_printf, and calling it will cause PS3 systems to hang.

Remove all debugging statements from ps3_mm_region_destroy() and
ps3_mm_vas_destroy() and replace any error reporting with calls
to lv1_panic.

With this change builds with 'DEBUG' defined will not cause kexec
reboots to hang, and builds with 'DEBUG' defined or not will end
in lv1_panic if an error is encountered.

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/7325c4af2b4c989c19d6a26b90b1fec9c0615ddf.1589049250.git.geoff@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-16 16:30:18 +08:00
..
alpha alpha: fix memory barriers so that they conform to the specification 2021-03-16 16:29:48 +08:00
arc ARC: [plat-eznps]: Restrict to CONFIG_ISA_ARCOMPACT 2021-03-16 16:28:46 +08:00
arm ARM: dts: sun8i-h2-plus-bananapi-m2-zero: Fix led polarity 2021-03-16 16:30:08 +08:00
arm64 arm64: dts: msm8996: Fix CSI IRQ types 2021-03-16 16:30:15 +08:00
c6x Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
csky csky: Fixup abiv2 syscall_trace break a4 & a5 2021-03-16 16:28:56 +08:00
h8300 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hexagon hexagon: define ioremap_uc 2021-03-16 16:27:29 +08:00
ia64 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
m68k m68k/PCI: Fix a memory leak in an error handling path 2021-03-16 16:30:02 +08:00
microblaze Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mips MIPS: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe() 2021-03-16 16:29:35 +08:00
nds32 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nios2 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
openrisc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
parisc parisc: Fix kernel panic in mem_init() 2021-03-16 16:28:37 +08:00
powerpc powerpc/ps3: Fix kexec shutdown hang 2021-03-16 16:30:18 +08:00
riscv riscv: stacktrace: Fix undefined reference to `walk_stackframe' 2021-03-16 16:28:30 +08:00
s390 s390/pci: Log new handle in clp_disable_fh() 2021-03-16 16:28:57 +08:00
sh Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sparc sparc32: mm: Don't try to free page-table pages if ctor() fails 2021-03-16 16:30:05 +08:00
um um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/ 2021-03-16 16:27:11 +08:00
unicore32 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
x86 x86/purgatory: Disable various profiling and sanitizing options 2021-03-16 16:30:08 +08:00
xtensa Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00