Merge tag 'powerpc-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - A fix for a CMA change that broke booting guests with > 2G RAM on
   Power8 hosts.

 - Fix the RTAS call filter to allow a special case that applications
   rely on.

 - A change to our execve path, to make the execve syscall exit
   tracepoint work.

 - Three fixes to wire up our various RNGs earlier in boot so they're
   available for use in the initial seeding in random_init().

 - A build fix for when KASAN is enabled along with
   STRUCTLEAK_BYREF_ALL.

Thanks to Andrew Donnellan, Aneesh Kumar K.V, Christophe Leroy, Jason
Donenfeld, Nathan Lynch, Naveen N. Rao, Sathvika Vasireddy, Sumit
Dubey2, Tyrel Datwyler, and Zi Yan.

* tag 'powerpc-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/powernv: wire up rng during setup_arch
  powerpc/prom_init: Fix build failure with GCC_PLUGIN_STRUCTLEAK_BYREF_ALL and KASAN
  powerpc/rtas: Allow ibm,platform-dump RTAS call with null buffer address
  powerpc: Enable execve syscall exit tracepoint
  powerpc/pseries: wire up rng during setup_arch()
  powerpc/microwatt: wire up rng during setup_arch()
  powerpc/mm: Move CMA reservations after initmem_init()

1 files changed, 7 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index eb0077b302e2..1a02629ec70b 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -935,12 +935,6 @@ void __init setup_arch(char **cmdline_p)
 	/* Print various info about the machine that has been gathered so far. */
 	print_system_info();
 
-	/* Reserve large chunks of memory for use by CMA for KVM. */
-	kvm_cma_reserve();
-
-	/*  Reserve large chunks of memory for us by CMA for hugetlb */
-	gigantic_hugetlb_cma_reserve();
-
 	klp_init_thread_info(&init_task);
 
 	setup_initial_init_mm(_stext, _etext, _edata, _end);
@@ -955,6 +949,13 @@ void __init setup_arch(char **cmdline_p)
 
 	initmem_init();
 
+	/*
+	 * Reserve large chunks of memory for use by CMA for KVM and hugetlb. These must
+	 * be called after initmem_init(), so that pageblock_order is initialised.
+	 */
+	kvm_cma_reserve();
+	gigantic_hugetlb_cma_reserve();
+
 	early_memtest(min_low_pfn << PAGE_SHIFT, max_low_pfn << PAGE_SHIFT);
 
 	if (ppc_md.setup_arch)