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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-07-25 14:41:01 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-07-25 14:41:01 +0300
commitd5f017b796611c03d8b808d90eec0559c9049207 (patch)
treec82291f92a26c4304236da18b06364bb44fe643f /arch
parentd85f4eb6993d8c743ac89e427479cbe9efc14683 (diff)
parentfafe5306f201ae3ad3f81f62d203c86952444e12 (diff)
downloadlinux-d5f017b796611c03d8b808d90eec0559c9049207.tar.xz
Merge branch 'acpi-tables'
* acpi-tables: ACPI: Rename configfs.c to acpi_configfs.c to prevent link error ACPI: add support for loading SSDTs via configfs ACPI: add support for configfs efi / ACPI: load SSTDs from EFI variables spi / ACPI: add support for ACPI reconfigure notifications i2c / ACPI: add support for ACPI reconfigure notifications ACPI: add support for ACPI reconfiguration notifiers ACPI / scan: fix enumeration (visited) flags for bus rescans ACPI / documentation: add SSDT overlays documentation ACPI: ARM64: support for ACPI_TABLE_UPGRADE ACPI / tables: introduce ARCH_HAS_ACPI_TABLE_UPGRADE ACPI / tables: move arch-specific symbol to asm/acpi.h ACPI / tables: table upgrade: refactor function definitions ACPI / tables: table upgrade: use cacheable map for tables Conflicts: arch/arm64/include/asm/acpi.h
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/Kconfig1
-rw-r--r--arch/arm64/include/asm/acpi.h2
-rw-r--r--arch/arm64/kernel/setup.c6
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/include/asm/acpi.h2
-rw-r--r--arch/x86/kernel/setup.c9
6 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 5a0a691d4220..20d5a60530b1 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -4,6 +4,7 @@ config ARM64
select ACPI_GENERIC_GSI if ACPI
select ACPI_REDUCED_HARDWARE_ONLY if ACPI
select ARCH_HAS_DEVMEM_IS_ALLOWED
+ select ARCH_HAS_ACPI_TABLE_UPGRADE 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 4b13ecd3977a..5420cb0fcb3e 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -121,4 +121,6 @@ static inline int arm64_acpi_numa_init(void) { return -ENOSYS; }
static inline int acpi_numa_get_nid(unsigned int cpu, u64 hwid) { return NUMA_NO_NODE; }
#endif /* CONFIG_ACPI_NUMA */
+#define ACPI_TABLE_UPGRADE_MAX_PHYS MEMBLOCK_ALLOC_ACCESSIBLE
+
#endif /*_ASM_ACPI_H*/
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 3279defabaa2..92f0e1e767cf 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -260,11 +260,13 @@ void __init setup_arch(char **cmdline_p)
efi_init();
arm64_memblock_init();
+ paging_init();
+
+ acpi_table_upgrade();
+
/* Parse the ACPI tables for possible boot-time configuration */
acpi_boot_table_init();
- paging_init();
-
if (acpi_disabled)
unflatten_device_tree();
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d9a94da0c29f..f1a62447928c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -22,6 +22,7 @@ config X86
select ANON_INODES
select ARCH_CLOCKSOURCE_DATA
select ARCH_DISCARD_MEMBLOCK
+ select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
select ARCH_HAS_DEVMEM_IS_ALLOWED
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 65f1e95cade9..5391b0ae7cc3 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -169,4 +169,6 @@ static inline pgprot_t arch_apei_get_mem_attribute(phys_addr_t addr)
}
#endif
+#define ACPI_TABLE_UPGRADE_MAX_PHYS (max_low_pfn_mapped << PAGE_SHIFT)
+
#endif /* _ASM_X86_ACPI_H */
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index c4e7b3991b60..aac91beabf05 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -399,10 +399,6 @@ static void __init reserve_initrd(void)
memblock_free(ramdisk_image, ramdisk_end - ramdisk_image);
}
-static void __init early_initrd_acpi_init(void)
-{
- early_acpi_table_init((void *)initrd_start, initrd_end - initrd_start);
-}
#else
static void __init early_reserve_initrd(void)
{
@@ -410,9 +406,6 @@ static void __init early_reserve_initrd(void)
static void __init reserve_initrd(void)
{
}
-static void __init early_initrd_acpi_init(void)
-{
-}
#endif /* CONFIG_BLK_DEV_INITRD */
static void __init parse_setup_data(void)
@@ -1146,7 +1139,7 @@ void __init setup_arch(char **cmdline_p)
reserve_initrd();
- early_initrd_acpi_init();
+ acpi_table_upgrade();
vsmp_init();