Merge tag 'powerpc-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Add support for KVM running as a nested hypervisor under development
   versions of PowerVM, using the new PAPR nested virtualisation API

 - Add support for the BPF prog pack allocator

 - A rework of the non-server MMU handling to support execute-only on
   all platforms

 - Some optimisations & cleanups for the powerpc qspinlock code

 - Various other small features and fixes

Thanks to Aboorva Devarajan, Aditya Gupta, Amit Machhiwal, Benjamin
Gray, Christophe Leroy, Dr. David Alan Gilbert, Gaurav Batra, Gautam
Menghani, Geert Uytterhoeven, Haren Myneni, Hari Bathini, Joel Stanley,
Jordan Niethe, Julia Lawall, Kautuk Consul, Kuan-Wei Chiu, Michael
Neuling, Minjie Du, Muhammad Muzammil, Naveen N Rao, Nicholas Piggin,
Nick Child, Nysal Jan K.A, Peter Lafreniere, Rob Herring, Sachin Sant,
Sebastian Andrzej Siewior, Shrikanth Hegde, Srikar Dronamraju, Stanislav
Kinsburskii, Vaibhav Jain, Wang Yufen, Yang Yingliang, and Yuan Tan.

* tag 'powerpc-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (100 commits)
  powerpc/vmcore: Add MMU information to vmcoreinfo
  Revert "powerpc: add `cur_cpu_spec` symbol to vmcoreinfo"
  powerpc/bpf: use bpf_jit_binary_pack_[alloc|finalize|free]
  powerpc/bpf: rename powerpc64_jit_data to powerpc_jit_data
  powerpc/bpf: implement bpf_arch_text_invalidate for bpf_prog_pack
  powerpc/bpf: implement bpf_arch_text_copy
  powerpc/code-patching: introduce patch_instructions()
  powerpc/32s: Implement local_flush_tlb_page_psize()
  powerpc/pseries: use kfree_sensitive() in plpks_gen_password()
  powerpc/code-patching: Perform hwsync in __patch_instruction() in case of failure
  powerpc/fsl_msi: Use device_get_match_data()
  powerpc: Remove cpm_dp...() macros
  powerpc/qspinlock: Rename yield_propagate_owner tunable
  powerpc/qspinlock: Propagate sleepy if previous waiter is preempted
  powerpc/qspinlock: don't propagate the not-sleepy state
  powerpc/qspinlock: propagate owner preemptedness rather than CPU number
  powerpc/qspinlock: stop queued waiters trying to set lock sleepy
  powerpc/perf: Fix disabling BHRB and instruction sampling
  powerpc/trace: Add support for HAVE_FUNCTION_ARG_ACCESS_API
  powerpc/tools: Pass -mabi=elfv2 to gcc-check-mprofile-kernel.sh
  ...

arch/powerpc/kexec/core.c

@@ -74,6 +74,9 @@ void arch_crash_save_vmcoreinfo(void)
 	VMCOREINFO_STRUCT_SIZE(mmu_psize_def);
 	VMCOREINFO_OFFSET(mmu_psize_def, shift);
 #endif
+	VMCOREINFO_SYMBOL(cur_cpu_spec);
+	VMCOREINFO_OFFSET(cpu_spec, mmu_features);
+	vmcoreinfo_append_str("NUMBER(RADIX_MMU)=%d\n", early_radix_enabled());
 	vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
 }
 

arch/powerpc/kexec/core_64.c

@@ -379,8 +379,8 @@ void default_machine_kexec(struct kimage *image)
 
 #ifdef CONFIG_PPC_64S_HASH_MMU
 /* Values we need to export to the second kernel via the device tree. */
-static unsigned long htab_base;
-static unsigned long htab_size;
+static __be64 htab_base;
+static __be64 htab_size;
 
 static struct property htab_base_prop = {
 	.name = "linux,htab-base",

arch/powerpc/kexec/file_load_64.c

@@ -32,7 +32,7 @@
 #include <asm/plpks.h>
 
 struct umem_info {
-	u64 *buf;		/* data buffer for usable-memory property */
+	__be64 *buf;		/* data buffer for usable-memory property */
 	u32 size;		/* size allocated for the data buffer */
 	u32 max_entries;	/* maximum no. of entries */
 	u32 idx;		/* index of current entry */
@@ -443,10 +443,10 @@ static int locate_mem_hole_bottom_up_ppc64(struct kexec_buf *kbuf,
  *
  * Returns buffer on success, NULL on error.
  */
-static u64 *check_realloc_usable_mem(struct umem_info *um_info, int cnt)
+static __be64 *check_realloc_usable_mem(struct umem_info *um_info, int cnt)
 {
 	u32 new_size;
-	u64 *tbuf;
+	__be64 *tbuf;
 
 	if ((um_info->idx + cnt) <= um_info->max_entries)
 		return um_info->buf;
@@ -1138,11 +1138,15 @@ static int update_pci_dma_nodes(void *fdt, const char *dmapropname)
 			continue;
 
 		ret = copy_property(fdt, pci_offset, dn, "ibm,dma-window");
-		if (ret < 0)
+		if (ret < 0) {
+			of_node_put(dn);
 			break;
+		}
 		ret = copy_property(fdt, pci_offset, dn, dmapropname);
-		if (ret < 0)
+		if (ret < 0) {
+			of_node_put(dn);
 			break;
+		}
 	}
 
 	return ret;