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-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi5
-rw-r--r--arch/arm64/include/asm/arch_gicv3.h1
-rw-r--r--arch/arm64/include/asm/pgtable.h12
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S5
4 files changed, 17 insertions, 6 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index e81cd48d6245..925552e7b4f3 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -269,6 +269,7 @@
clock-frequency = <0>; /* Updated by bootloader */
voltage-ranges = <1800 1800 3300 3300>;
sdhci,auto-cmd12;
+ little-endian;
bus-width = <4>;
};
@@ -277,6 +278,7 @@
reg = <0x0 0x2300000 0x0 0x10000>;
interrupts = <0 36 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
@@ -287,6 +289,7 @@
reg = <0x0 0x2310000 0x0 0x10000>;
interrupts = <0 36 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
@@ -297,6 +300,7 @@
reg = <0x0 0x2320000 0x0 0x10000>;
interrupts = <0 37 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
@@ -307,6 +311,7 @@
reg = <0x0 0x2330000 0x0 0x10000>;
interrupts = <0 37 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index 030cdcb46c6b..2731d3b25ed2 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -77,6 +77,7 @@
#ifndef __ASSEMBLY__
#include <linux/stringify.h>
+#include <asm/barrier.h>
/*
* Low-level accessors
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 7e074f93f383..63f52b55defe 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -276,10 +276,14 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
* hardware updates of the pte (ptep_set_access_flags safely changes
* valid ptes without going through an invalid entry).
*/
- if (IS_ENABLED(CONFIG_DEBUG_VM) && IS_ENABLED(CONFIG_ARM64_HW_AFDBM) &&
- pte_valid(*ptep)) {
- BUG_ON(!pte_young(pte));
- BUG_ON(pte_write(*ptep) && !pte_dirty(pte));
+ if (IS_ENABLED(CONFIG_ARM64_HW_AFDBM) &&
+ pte_valid(*ptep) && pte_valid(pte)) {
+ VM_WARN_ONCE(!pte_young(pte),
+ "%s: racy access flag clearing: 0x%016llx -> 0x%016llx",
+ __func__, pte_val(*ptep), pte_val(pte));
+ VM_WARN_ONCE(pte_write(*ptep) && !pte_dirty(pte),
+ "%s: racy dirty state clearing: 0x%016llx -> 0x%016llx",
+ __func__, pte_val(*ptep), pte_val(pte));
}
set_pte(ptep, pte);
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 1ee2c3937d4e..71426a78db12 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -5,6 +5,7 @@
*/
#include <asm-generic/vmlinux.lds.h>
+#include <asm/cache.h>
#include <asm/kernel-pgtable.h>
#include <asm/thread_info.h>
#include <asm/memory.h>
@@ -140,7 +141,7 @@ SECTIONS
ARM_EXIT_KEEP(EXIT_DATA)
}
- PERCPU_SECTION(64)
+ PERCPU_SECTION(L1_CACHE_BYTES)
. = ALIGN(PAGE_SIZE);
__init_end = .;
@@ -158,7 +159,7 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
_data = .;
_sdata = .;
- RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE)
+ RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
PECOFF_EDATA_PADDING
_edata = .;
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