OpenCloudOS-Kernel/arch/arm64
Ard Biesheuvel eff8962888 efi/arm: Defer persistent reservations until after paging_init()
The new memory EFI reservation feature we introduced to allow memory
reservations to persist across kexec may trigger an unbounded number
of calls to memblock_reserve(). The memblock subsystem can deal with
this fine, but not before memblock resizing is enabled, which we can
only do after paging_init(), when the memory we reallocate the array
into is actually mapped.

So break out the memreserve table processing into a separate routine
and call it after paging_init() on arm64. On ARM, because of limited
reviewing bandwidth of the maintainer, we cannot currently fix this,
so instead, disable the EFI persistent memreserve entirely on ARM so
we can fix it later.

Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20181114175544.12860-5-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-11-15 10:04:46 +01:00
..
boot ARM: dts: stratix10: fix multicast filtering 2018-11-07 08:09:50 -08:00
configs arm64: defconfig: Enable some IPMI configs 2018-11-02 11:39:50 -07:00
crypto crypto: arm64/aes-blk - ensure XTS mask is always loaded 2018-10-12 14:20:45 +08:00
include arm64: mm: define NET_IP_ALIGN to 0 2018-11-08 17:50:26 +00:00
kernel efi/arm: Defer persistent reservations until after paging_init() 2018-11-15 10:04:46 +01:00
kvm KVM updates for v4.20 2018-10-25 17:57:35 -07:00
lib arm64: lib: use C string functions with KASAN enabled 2018-10-26 16:25:18 -07:00
mm arm64: memblock: don't permit memblock resizing until linear mapping is up 2018-11-08 17:54:03 +00:00
net bpf, arm64: save 4 bytes in prologue when ebpf insns came from cbpf 2018-05-14 19:11:45 -07:00
xen arm64: mm: Add additional parameter to uaccess_ttbr0_disable 2018-01-17 13:57:49 +01:00
Kconfig mm: remove CONFIG_HAVE_MEMBLOCK 2018-10-31 08:54:15 -07:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Kconfig.platforms ARM: SoC platform updates for 4.20 2018-10-29 15:37:33 -07:00
Makefile arm64 2nd round of updates for 4.20: 2018-11-03 10:55:23 -07:00