Merge tag 'powerpc-4.9-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Four fixes, the first for code we merged this cycle and three that are
also going to stable:
- On 64-bit Book3E we were not placing the .text section where we
said we would in the asm.
- We broke building the boot wrapper on some 32-bit toolchains.
- Lazy icache flushing was broken on pre-POWER5 machines.
- One of the error paths in our EEH code would lead to a deadlock.
Thanks to: Andrew Donnellan, Ben Hutchings, Benjamin Herrenschmidt,
Nicholas Piggin"
* tag 'powerpc-4.9-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64: Fix placement of .text to be immediately following .head.text
powerpc/eeh: Fix deadlock when PE frozen state can't be cleared
powerpc/mm: Fix lazy icache flush on pre-POWER5
powerpc/boot: Fix build failure in 32-bit boot wrapper
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index eae2dc8..9d47f2e 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -100,7 +100,8 @@
ns16550.c serial.c simple_alloc.c div64.S util.S \
elf_util.c $(zlib-y) devtree.c stdlib.c \
oflib.c ofconsole.c cuboot.c mpsc.c cpm-serial.c \
- uartlite.c mpc52xx-psc.c opal.c opal-calls.S
+ uartlite.c mpc52xx-psc.c opal.c
+src-wlib-$(CONFIG_PPC64_BOOT_WRAPPER) += opal-calls.S
src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c
src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c
src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c fsl-soc.c
diff --git a/arch/powerpc/boot/opal.c b/arch/powerpc/boot/opal.c
index d7b4fd4..0272570 100644
--- a/arch/powerpc/boot/opal.c
+++ b/arch/powerpc/boot/opal.c
@@ -13,7 +13,7 @@
#include <libfdt.h>
#include "../include/asm/opal-api.h"
-#ifdef __powerpc64__
+#ifdef CONFIG_PPC64_BOOT_WRAPPER
/* Global OPAL struct used by opal-call.S */
struct opal {
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index a62be72..5c31369 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -671,8 +671,10 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
/* Clear frozen state */
rc = eeh_clear_pe_frozen_state(pe, false);
- if (rc)
+ if (rc) {
+ pci_unlock_rescan_remove();
return rc;
+ }
/* Give the system 5 seconds to finish running the user-space
* hotplug shutdown scripts, e.g. ifdown for ethernet. Yes,
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 8295f51..7394b77 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -94,8 +94,17 @@
* detected, and will result in a crash at boot due to offsets being
* wrong.
*/
+#ifdef CONFIG_PPC64
+ /*
+ * BLOCK(0) overrides the default output section alignment because
+ * this needs to start right after .head.text in order for fixed
+ * section placement to work.
+ */
+ .text BLOCK(0) : AT(ADDR(.text) - LOAD_OFFSET) {
+#else
.text : AT(ADDR(.text) - LOAD_OFFSET) {
ALIGN_FUNCTION();
+#endif
/* careful! __ftr_alt_* sections need to be close to .text */
*(.text .fixup __ftr_alt_* .ref.text)
SCHED_TEXT
diff --git a/arch/powerpc/mm/hash64_4k.c b/arch/powerpc/mm/hash64_4k.c
index 42c702b..6fa450c 100644
--- a/arch/powerpc/mm/hash64_4k.c
+++ b/arch/powerpc/mm/hash64_4k.c
@@ -55,7 +55,7 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
*/
rflags = htab_convert_pte_flags(new_pte);
- if (!cpu_has_feature(CPU_FTR_NOEXECUTE) &&
+ if (cpu_has_feature(CPU_FTR_NOEXECUTE) &&
!cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
rflags = hash_page_do_lazy_icache(rflags, __pte(old_pte), trap);
diff --git a/arch/powerpc/mm/hash64_64k.c b/arch/powerpc/mm/hash64_64k.c
index 3bbbea0..1a68cb1 100644
--- a/arch/powerpc/mm/hash64_64k.c
+++ b/arch/powerpc/mm/hash64_64k.c
@@ -87,7 +87,7 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
subpg_pte = new_pte & ~subpg_prot;
rflags = htab_convert_pte_flags(subpg_pte);
- if (!cpu_has_feature(CPU_FTR_NOEXECUTE) &&
+ if (cpu_has_feature(CPU_FTR_NOEXECUTE) &&
!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) {
/*
@@ -258,7 +258,7 @@ int __hash_page_64K(unsigned long ea, unsigned long access,
rflags = htab_convert_pte_flags(new_pte);
- if (!cpu_has_feature(CPU_FTR_NOEXECUTE) &&
+ if (cpu_has_feature(CPU_FTR_NOEXECUTE) &&
!cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
rflags = hash_page_do_lazy_icache(rflags, __pte(old_pte), trap);
