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authorJoel Stanley <joel@jms.id.au>2018-11-27 08:23:56 +0300
committerJoel Stanley <joel@jms.id.au>2018-11-27 08:24:09 +0300
commitd608acfd4ac3fe17f3081bee8fcd4dcd896c2ffa (patch)
treeade4450a72a2e358a1d2e5cde321de0097fb291c /arch/xtensa
parent62ccc3924eff37012bd0c227d8b7dc71188fc358 (diff)
parenta9da8725b7a744be3ff0ff44cab2547e4d1e6675 (diff)
downloadlinux-dev-4.18.tar.xz
Merge tag 'v4.18.20' into dev-4.18dev-4.18
This is the 4.18.20 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/boot/Makefile2
-rw-r--r--arch/xtensa/include/asm/processor.h6
-rw-r--r--arch/xtensa/kernel/head.S7
-rw-r--r--arch/xtensa/kernel/vmlinux.lds.S1
4 files changed, 12 insertions, 4 deletions
diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile
index 53e4178711e6..8c20a7965bda 100644
--- a/arch/xtensa/boot/Makefile
+++ b/arch/xtensa/boot/Makefile
@@ -34,7 +34,7 @@ boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y)) \
$(addprefix $(obj)/,$(host-progs))
$(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)
-OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary
+OBJCOPYFLAGS = --strip-all -R .comment -R .notes -O binary
vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index 5b0027d4ecc0..a39cd81b741a 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -24,7 +24,11 @@
# error Linux requires the Xtensa Windowed Registers Option.
#endif
-#define ARCH_SLAB_MINALIGN XCHAL_DATA_WIDTH
+/* Xtensa ABI requires stack alignment to be at least 16 */
+
+#define STACK_ALIGN (XCHAL_DATA_WIDTH > 16 ? XCHAL_DATA_WIDTH : 16)
+
+#define ARCH_SLAB_MINALIGN STACK_ALIGN
/*
* User space process size: 1 GB.
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index 9c4e9433e536..3ceb76c7a4ae 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -88,9 +88,12 @@ _SetupMMU:
initialize_mmu
#if defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY
rsr a2, excsave1
- movi a3, 0x08000000
+ movi a3, XCHAL_KSEG_PADDR
+ bltu a2, a3, 1f
+ sub a2, a2, a3
+ movi a3, XCHAL_KSEG_SIZE
bgeu a2, a3, 1f
- movi a3, 0xd0000000
+ movi a3, XCHAL_KSEG_CACHED_VADDR
add a2, a2, a3
wsr a2, excsave1
1:
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 70b731edc7b8..c430c96ea723 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -131,6 +131,7 @@ SECTIONS
.fixup : { *(.fixup) }
EXCEPTION_TABLE(16)
+ NOTES
/* Data section */
_sdata = .;