Re: [PATCH v4] acpi, apei, arm64: APEI initial support for aarch64.

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Hi Fu Wei,

On 12/08/2015 03:03 PM, fu.wei@xxxxxxxxxx wrote:
From: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>

This commit provides APEI arch-specific bits for aarch64

Meanwhile, add a new subfunction "hest_ia_init" for
"acpi_disable_cmcff" which is used by IA-32 Architecture
Corrected Machine Check (CMC).

Signed-off-by: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
Tested-by: Jonathan (Zhixiong) Zhang <zjzhang@xxxxxxxxxxxxxx>
Signed-off-by: Fu Wei <fu.wei@xxxxxxxxxx>
---
Changelog:
v4: Rebase to latest kernel version(4.4-rc4).
     Move arch_apei_flush_tlb_one into header file as a inline function
     Add a new subfunction "hest_ia_init" for "acpi_disable_cmcff".

v3: https://lkml.org/lkml/2015/12/3/521
     Remove "acpi_disable_cmcff" from arm64 code,
     and wrap it in hest.c by "#if defined(__i386__) || defined(__x86_64__)"

v2: https://lkml.org/lkml/2015/12/2/432
     Rebase to latest kernel version(4.4-rc3).
     Move arch_apei_flush_tlb_one() to arch/arm64/kernel/acpi.c

v1: https://lkml.org/lkml/2015/8/14/199
     Move arch_apei_flush_tlb_one() to arch/arm64/include/asm/apci.h.
     Delete arch/arm64/kernel/apei.c.
     Add "#ifdef CONFIG_ACPI_APEI" for "acpi_disable_cmcff".

  arch/arm64/Kconfig            |  1 +
  arch/arm64/include/asm/acpi.h |  5 +++++
  drivers/acpi/apei/hest.c      | 19 ++++++++++++++++---
  3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 871f217..58c8992 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -3,6 +3,7 @@ config ARM64
  	select ACPI_CCA_REQUIRED if ACPI
  	select ACPI_GENERIC_GSI if ACPI
  	select ACPI_REDUCED_HARDWARE_ONLY if ACPI
+	select HAVE_ACPI_APEI if ACPI
  	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
  	select ARCH_HAS_ELF_RANDOMIZE
  	select ARCH_HAS_GCOV_PROFILE_ALL
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index caafd63..31d3d9a 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -17,6 +17,7 @@

  #include <asm/cputype.h>
  #include <asm/smp_plat.h>
+#include <asm/tlbflush.h>

  /* Macros for consistency checks of the GICC subtable of MADT */
  #define ACPI_MADT_GICC_LENGTH	\
@@ -94,6 +95,10 @@ static inline const char *acpi_get_enable_method(int cpu)

  #ifdef	CONFIG_ACPI_APEI
  pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr);

How bout adding a empty line here?

Except that,

Acked-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>

Thanks
Hanjun
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