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authorOlof Johansson <olof@lixom.net>2015-04-20 07:59:04 -0700
committerOlof Johansson <olof@lixom.net>2015-04-20 07:59:04 -0700
commitcdaa8cf34863028dab238e1498555bf12d693244 (patch)
tree0034305d152c3c4887b81c8983d0f298e6e3f6cb /arch/s390/kernel
parent30a5c1894a4c932f5a417f0a6ec369c7da81204b (diff)
parent98b80987c940956da48f0c703f60340128bb8521 (diff)
Merge branch 'fixes' into next/fixes-non-critical
Merge a set of fixes that we missed sending in before v4.0 release. These will also be sent to -stable. * fixes: (659 commits) ARM: at91/dt: sama5d3 xplained: add phy address for macb1 kbuild: Create directory for target DTB ARM: mvebu: Disable CPU Idle on Armada 38x arm64: juno: Fix misleading name of UART reference clock ARM: dts: sunxi: Remove overclocked/overvoltaged OPP ARM: dts: sun4i: a10-lime: Override and remove 1008MHz OPP setting ARM: socfpga: dts: fix spi1 interrupt ARM: dts: Fix gpio interrupts for dm816x ARM: dts: dra7: remove ti,hwmod property from pcie phy ARM: EXYNOS: Fix build breakage cpuidle on !SMP ARM: OMAP: dmtimer: disable pm runtime on remove ARM: OMAP: dmtimer: check for pm_runtime_get_sync() failure ARM: dts: fix lid and power pin-functions for exynos5250-spring ARM: dts: fix mmc node updates for exynos5250-spring ARM: OMAP2+: Fix socbus family info for AM33xx devices ARM: dts: omap3: Add missing dmas for crypto + Linux 4.0-rc4 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/jump_label.c12
-rw-r--r--arch/s390/kernel/module.c1
-rw-r--r--arch/s390/kernel/processor.c2
3 files changed, 10 insertions, 5 deletions
diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c
index cb2d51e779df..830066f936c8 100644
--- a/arch/s390/kernel/jump_label.c
+++ b/arch/s390/kernel/jump_label.c
@@ -36,16 +36,20 @@ static void jump_label_make_branch(struct jump_entry *entry, struct insn *insn)
insn->offset = (entry->target - entry->code) >> 1;
}
-static void jump_label_bug(struct jump_entry *entry, struct insn *insn)
+static void jump_label_bug(struct jump_entry *entry, struct insn *expected,
+ struct insn *new)
{
unsigned char *ipc = (unsigned char *)entry->code;
- unsigned char *ipe = (unsigned char *)insn;
+ unsigned char *ipe = (unsigned char *)expected;
+ unsigned char *ipn = (unsigned char *)new;
pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc);
pr_emerg("Found: %02x %02x %02x %02x %02x %02x\n",
ipc[0], ipc[1], ipc[2], ipc[3], ipc[4], ipc[5]);
pr_emerg("Expected: %02x %02x %02x %02x %02x %02x\n",
ipe[0], ipe[1], ipe[2], ipe[3], ipe[4], ipe[5]);
+ pr_emerg("New: %02x %02x %02x %02x %02x %02x\n",
+ ipn[0], ipn[1], ipn[2], ipn[3], ipn[4], ipn[5]);
panic("Corrupted kernel text");
}
@@ -69,10 +73,10 @@ static void __jump_label_transform(struct jump_entry *entry,
}
if (init) {
if (memcmp((void *)entry->code, &orignop, sizeof(orignop)))
- jump_label_bug(entry, &old);
+ jump_label_bug(entry, &orignop, &new);
} else {
if (memcmp((void *)entry->code, &old, sizeof(old)))
- jump_label_bug(entry, &old);
+ jump_label_bug(entry, &old, &new);
}
probe_kernel_write((void *)entry->code, &new, sizeof(new));
}
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 36154a2f1814..2ca95862e336 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -436,6 +436,7 @@ int module_finalize(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs,
struct module *me)
{
+ jump_label_apply_nops(me);
vfree(me->arch.syminfo);
me->arch.syminfo = NULL;
return 0;
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index 26108232fcaa..dc488e13b7e3 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -18,7 +18,7 @@
static DEFINE_PER_CPU(struct cpuid, cpu_id);
-void cpu_relax(void)
+void notrace cpu_relax(void)
{
if (!smp_cpu_mtid && MACHINE_HAS_DIAG44)
asm volatile("diag 0,0,0x44");