Commit d80b34c9 authored by Linus Torvalds's avatar Linus Torvalds

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

Pull arm64 fixes from Will Deacon:
 "Here is a handful of minor arm64 fixes discovered and fixed over the
  Christmas break.  The main part is adding some missing #includes that
  we seem to be getting transitively but have started causing problems
  in -next.

   - Fix early mapping fixmap corruption by EFI runtime services
   - Fix __NR_compat_syscalls off-by-one
   - Add missing sanity checks for some 32-bit registers
   - Add some missing #includes which we get transitively
   - Remove unused prepare_to_copy() macro"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/efi: add missing call to early_ioremap_reset()
  arm64: fix missing asm/io.h include in kernel/smp_spin_table.c
  arm64: fix missing asm/alternative.h include in kernel/module.c
  arm64: fix missing linux/bug.h include in asm/arch_timer.h
  arm64: fix missing asm/pgtable-hwdef.h include in asm/processor.h
  arm64: sanity checks: add missing AArch32 registers
  arm64: Remove unused prepare_to_copy()
  arm64: Correct __NR_compat_syscalls for bpf
parents aa929135 0e63ea48
......@@ -21,6 +21,7 @@
#include <asm/barrier.h>
#include <linux/bug.h>
#include <linux/init.h>
#include <linux/types.h>
......
......@@ -39,6 +39,7 @@ struct cpuinfo_arm64 {
u64 reg_id_aa64pfr0;
u64 reg_id_aa64pfr1;
u32 reg_id_dfr0;
u32 reg_id_isar0;
u32 reg_id_isar1;
u32 reg_id_isar2;
......@@ -51,6 +52,10 @@ struct cpuinfo_arm64 {
u32 reg_id_mmfr3;
u32 reg_id_pfr0;
u32 reg_id_pfr1;
u32 reg_mvfr0;
u32 reg_mvfr1;
u32 reg_mvfr2;
};
DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data);
......
......@@ -31,6 +31,7 @@
#include <asm/fpsimd.h>
#include <asm/hw_breakpoint.h>
#include <asm/pgtable-hwdef.h>
#include <asm/ptrace.h>
#include <asm/types.h>
......@@ -123,9 +124,6 @@ struct task_struct;
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
/* Prepare to copy thread state - unlazy all lazy status */
#define prepare_to_copy(tsk) do { } while (0)
unsigned long get_wchan(struct task_struct *p);
#define cpu_relax() barrier()
......
......@@ -44,7 +44,7 @@
#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2)
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5)
#define __NR_compat_syscalls 386
#define __NR_compat_syscalls 387
#endif
#define __ARCH_WANT_SYS_CLONE
......
......@@ -147,6 +147,7 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur)
* If we have AArch32, we care about 32-bit features for compat. These
* registers should be RES0 otherwise.
*/
diff |= CHECK(id_dfr0, boot, cur, cpu);
diff |= CHECK(id_isar0, boot, cur, cpu);
diff |= CHECK(id_isar1, boot, cur, cpu);
diff |= CHECK(id_isar2, boot, cur, cpu);
......@@ -165,6 +166,10 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur)
diff |= CHECK(id_pfr0, boot, cur, cpu);
diff |= CHECK(id_pfr1, boot, cur, cpu);
diff |= CHECK(mvfr0, boot, cur, cpu);
diff |= CHECK(mvfr1, boot, cur, cpu);
diff |= CHECK(mvfr2, boot, cur, cpu);
/*
* Mismatched CPU features are a recipe for disaster. Don't even
* pretend to support them.
......@@ -189,6 +194,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1);
info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1);
info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
......@@ -202,6 +208,10 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
info->reg_mvfr2 = read_cpuid(MVFR2_EL1);
cpuinfo_detect_icache_policy(info);
check_local_cpu_errata();
......
......@@ -326,6 +326,7 @@ void __init efi_idmap_init(void)
/* boot time idmap_pg_dir is incomplete, so fill in missing parts */
efi_setup_idmap();
early_memunmap(memmap.map, memmap.map_end - memmap.map);
}
static int __init remap_region(efi_memory_desc_t *md, void **new)
......@@ -380,7 +381,6 @@ static int __init arm64_enter_virtual_mode(void)
}
mapsize = memmap.map_end - memmap.map;
early_memunmap(memmap.map, mapsize);
if (efi_runtime_disabled()) {
pr_info("EFI runtime services will be disabled.\n");
......
......@@ -25,6 +25,7 @@
#include <linux/mm.h>
#include <linux/moduleloader.h>
#include <linux/vmalloc.h>
#include <asm/alternative.h>
#include <asm/insn.h>
#include <asm/sections.h>
......
......@@ -402,6 +402,7 @@ void __init setup_arch(char **cmdline_p)
request_standard_resources();
efi_idmap_init();
early_ioremap_reset();
unflatten_device_tree();
......
......@@ -25,6 +25,7 @@
#include <asm/cacheflush.h>
#include <asm/cpu_ops.h>
#include <asm/cputype.h>
#include <asm/io.h>
#include <asm/smp_plat.h>
extern void secondary_holding_pen(void);
......
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