Merge v6.18.40linux-rolling-lts

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

8 files changed, 48 insertions, 12 deletions

diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index 3af6c06af02f..e5853daa6a48 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -704,6 +704,15 @@ static void __init cpufeatures_setup_start(u32 isa)
 	if (isa >= ISA_V3_1) {
 		cur_cpu_spec->cpu_features |= CPU_FTR_ARCH_31;
 		cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_ARCH_3_1;
+
+		/*
+		 * CPU_FTR_P11_PVR is a kernel-internal flag to identify
+		 * Power11 and later processors. While ISA v3.1 is supported
+		 * by Power10+, this flag specifically indicates Power11+
+		 * for code that needs to distinguish between P10 and P11.
+		 */
+		if (PVR_VER(mfspr(SPRN_PVR)) >= PVR_POWER11)
+			cur_cpu_spec->cpu_features |= CPU_FTR_P11_PVR;
 	}
 }
 
diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c
index 825ab8a88f18..58c13a59b93b 100644
--- a/arch/powerpc/kexec/core_64.c
+++ b/arch/powerpc/kexec/core_64.c
@@ -169,7 +169,7 @@ static void kexec_prepare_cpus_wait(int wait_state)
 	int my_cpu, i, notified=-1;
 
 	hw_breakpoint_disable();
-	my_cpu = get_cpu();
+	my_cpu = raw_smp_processor_id();
 	/* Make sure each CPU has at least made it to the state we need.
 	 *
 	 * FIXME: There is a (slim) chance of a problem if not all of the CPUs
@@ -267,8 +267,6 @@ static void kexec_prepare_cpus(void)
 	/* after we tell the others to go down */
 	if (ppc_md.kexec_cpu_down)
 		ppc_md.kexec_cpu_down(0, 0);
-
-	put_cpu();
 }
 
 #else /* ! SMP */
diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c
index 7120ab20cbfe..02b5dd74c187 100644
--- a/arch/powerpc/perf/core-fsl-emb.c
+++ b/arch/powerpc/perf/core-fsl-emb.c
@@ -366,9 +366,10 @@ static void fsl_emb_pmu_del(struct perf_event *event, int flags)
 
 	cpuhw->n_events--;
 
+	put_cpu_var(cpu_hw_events);
+
  out:
 	perf_pmu_enable(event->pmu);
-	put_cpu_var(cpu_hw_events);
 }
 
 static void fsl_emb_pmu_start(struct perf_event *event, int ef_flags)
diff --git a/arch/powerpc/platforms/8xx/cpm1.c b/arch/powerpc/platforms/8xx/cpm1.c
index 7433be7d66ee..55cdf3b8e756 100644
--- a/arch/powerpc/platforms/8xx/cpm1.c
+++ b/arch/powerpc/platforms/8xx/cpm1.c
@@ -472,6 +472,18 @@ static int cpm1_gpio16_dir_in(struct gpio_chip *gc, unsigned int gpio)
 	return 0;
 }
 
+static int cpm1_gpio16_get_direction(struct gpio_chip *gc, unsigned int gpio)
+{
+	struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc);
+	struct cpm_ioport16 __iomem *iop = cpm1_gc->regs;
+	u16 pin_mask = 1 << (15 - gpio);
+
+	if (in_be16(&iop->dir) & pin_mask)
+		return GPIO_LINE_DIRECTION_OUT;
+
+	return GPIO_LINE_DIRECTION_IN;
+}
+
 int cpm1_gpiochip_add16(struct device *dev)
 {
 	struct device_node *np = dev->of_node;
@@ -498,6 +510,7 @@ int cpm1_gpiochip_add16(struct device *dev)
 	gc->ngpio = 16;
 	gc->direction_input = cpm1_gpio16_dir_in;
 	gc->direction_output = cpm1_gpio16_dir_out;
+	gc->get_direction = cpm1_gpio16_get_direction;
 	gc->get = cpm1_gpio16_get;
 	gc->set = cpm1_gpio16_set;
 	gc->to_irq = cpm1_gpio16_to_irq;
@@ -604,6 +617,18 @@ static int cpm1_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio)
 	return 0;
 }
 
+static int cpm1_gpio32_get_direction(struct gpio_chip *gc, unsigned int gpio)
+{
+	struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc);
+	struct cpm_ioport32b __iomem *iop = cpm1_gc->regs;
+	u32 pin_mask = 1 << (31 - gpio);
+
+	if (in_be32(&iop->dir) & pin_mask)
+		return GPIO_LINE_DIRECTION_OUT;
+
+	return GPIO_LINE_DIRECTION_IN;
+}
+
 int cpm1_gpiochip_add32(struct device *dev)
 {
 	struct device_node *np = dev->of_node;
@@ -621,6 +646,7 @@ int cpm1_gpiochip_add32(struct device *dev)
 	gc->ngpio = 32;
 	gc->direction_input = cpm1_gpio32_dir_in;
 	gc->direction_output = cpm1_gpio32_dir_out;
+	gc->get_direction = cpm1_gpio32_get_direction;
 	gc->get = cpm1_gpio32_get;
 	gc->set = cpm1_gpio32_set;
 	gc->parent = dev;
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index ce839783c0df..8b7320b3a6e4 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -268,10 +268,12 @@ static int spufs_mem_mmap_access(struct vm_area_struct *vma,
 
 	if (write && !(vma->vm_flags & VM_WRITE))
 		return -EACCES;
+	if (offset >= LS_SIZE)
+		return -EFAULT;
 	if (spu_acquire(ctx))
 		return -EINTR;
-	if ((offset + len) > vma->vm_end)
-		len = vma->vm_end - offset;
+	if ((offset + len) > LS_SIZE)
+		len = LS_SIZE - offset;
 	local_store = ctx->ops->get_ls(ctx);
 	if (write)
 		memcpy_toio(local_store + offset, buf, len);
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 4dbb47ddbdcc..06ed5e2aa265 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -396,7 +396,8 @@ static void pnv_kexec_wait_secondaries_down(void)
 {
 	int my_cpu, i, notified = -1;
 
-	my_cpu = get_cpu();
+	/* Called with interrupts disabled, so the CPU is pinned. */
+	my_cpu = raw_smp_processor_id();
 
 	for_each_online_cpu(i) {
 		uint8_t status;
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 3e042218d6cd..adc59d78d3ad 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -154,6 +154,7 @@ config HV_PERF_CTRS
 config VPA_PMU
 	tristate "VPA PMU events"
 	depends on KVM_BOOK3S_64_HV && HV_PERF_CTRS
+	default m
 	help
 	  Enable access to the VPA PMU counters via perf. This enables
 	  code that support measurement for KVM on PowerVM(KoP) feature.
diff --git a/arch/powerpc/platforms/pseries/papr_platform_attributes.c b/arch/powerpc/platforms/pseries/papr_platform_attributes.c
index eea2041b270b..f63e2de9ccca 100644
--- a/arch/powerpc/platforms/pseries/papr_platform_attributes.c
+++ b/arch/powerpc/platforms/pseries/papr_platform_attributes.c
@@ -271,11 +271,9 @@ retry:
 		esi_buf_size = ESI_HDR_SIZE + (CURR_MAX_ESI_ATTRS * max_esi_attrs);
 
 		temp_esi_buf = krealloc(esi_buf, esi_buf_size, GFP_KERNEL);
-		if (temp_esi_buf)
-			esi_buf = temp_esi_buf;
-		else
-			return -ENOMEM;
-
+		if (!temp_esi_buf)
+			goto out_free_esi_buf;
+		esi_buf = temp_esi_buf;
 		goto retry;
 	}