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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-03 23:07:39 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-03 23:07:39 +0300
commit707df298cbde200b939c70be2577b20775fe3345 (patch)
treeb29f663dac88ac45d4f1d1465133c85439febe6c /arch/powerpc/kexec
parent6bdfe2d88b9ff8b0cce32ce87cd47c0e9d665f48 (diff)
parent303d77a6e1707498f09c9d8ee91b1dc07ca315a5 (diff)
downloadlinux-707df298cbde200b939c70be2577b20775fe3345.tar.xz
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 ...
Diffstat (limited to 'arch/powerpc/kexec')
-rw-r--r--arch/powerpc/kexec/core.c3
-rw-r--r--arch/powerpc/kexec/core_64.c4
-rw-r--r--arch/powerpc/kexec/file_load_64.c14
3 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/kexec/core.c b/arch/powerpc/kexec/core.c
index 9346c960b296..85846cadb9b5 100644
--- a/arch/powerpc/kexec/core.c
+++ b/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());
}
diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c
index a79e28c91e2b..0bee7ca9a77c 100644
--- a/arch/powerpc/kexec/core_64.c
+++ b/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",
diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c
index a3de5369d22c..961a6dd67365 100644
--- a/arch/powerpc/kexec/file_load_64.c
+++ b/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;