Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Avoid a literal load with the MMU off on the CPU resume path
   (potential inconsistency between cache and RAM)

 - Build error with CONFIG_ACPI=n fixed

 - Compiler warning in the arch/arm64/mm/dump.c code fixed

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Fix shift warning in arch/arm64/mm/dump.c
  arm64: kernel: avoid literal load of virtual address with MMU off
  arm64: Fix NUMA build error when !CONFIG_ACPI

diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index 9a3aec9..ccf79d8 100644 (file)
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -101,12 +101,20 @@ ENTRY(cpu_resume)
        bl      el2_setup               // if in EL2 drop to EL1 cleanly
        /* enable the MMU early - so we can access sleep_save_stash by va */
        adr_l   lr, __enable_mmu        /* __cpu_setup will return here */
-       ldr     x27, =_cpu_resume       /* __enable_mmu will branch here */
+       adr_l   x27, _resume_switched   /* __enable_mmu will branch here */
        adrp    x25, idmap_pg_dir
        adrp    x26, swapper_pg_dir
        b       __cpu_setup
 ENDPROC(cpu_resume)
 
+       .pushsection    ".idmap.text", "ax"
+_resume_switched:
+       ldr     x8, =_cpu_resume
+       br      x8
+ENDPROC(_resume_switched)
+       .ltorg
+       .popsection
+
 ENTRY(_cpu_resume)
        mrs     x1, mpidr_el1
        adrp    x8, mpidr_hash

diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index f94b80e..9c3e75d 100644 (file)
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -242,7 +242,7 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level,
 
 static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)
 {
-       pte_t *pte = pte_offset_kernel(pmd, 0);
+       pte_t *pte = pte_offset_kernel(pmd, 0UL);
        unsigned long addr;
        unsigned i;
 
@@ -254,7 +254,7 @@ static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)
 
 static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
 {
-       pmd_t *pmd = pmd_offset(pud, 0);
+       pmd_t *pmd = pmd_offset(pud, 0UL);
        unsigned long addr;
        unsigned i;
 
@@ -271,7 +271,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
 
 static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start)
 {
-       pud_t *pud = pud_offset(pgd, 0);
+       pud_t *pud = pud_offset(pgd, 0UL);
        unsigned long addr;
        unsigned i;
 

diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index c7fe3ec..5bb15ea 100644 (file)
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -23,6 +23,8 @@
 #include <linux/module.h>
 #include <linux/of.h>
 
+#include <asm/acpi.h>
+
 struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
 EXPORT_SYMBOL(node_data);
 nodemask_t numa_nodes_parsed __initdata;