[PATCH 09/24] arm64: rename functions that reference compat term

From: Yury Norov
Date: Wed May 16 2018 - 03:48:56 EST

The ILP32 for ARM64 patch series introduces another 'compat' mode for
arm64. So to avoid confusing, aarch32-only functions renamed in according
to it.

Signed-off-by: Yury Norov <ynorov@xxxxxxxxxxxxxxxxxx>
---
arch/arm64/include/asm/ptrace.h | 10 ++--
arch/arm64/include/asm/signal32.h | 13 ++--
arch/arm64/kernel/armv8_deprecated.c | 6 +-
arch/arm64/kernel/cpufeature.c | 6 +-
arch/arm64/kernel/debug-monitors.c | 4 +-
arch/arm64/kernel/perf_callchain.c | 22 +++----
arch/arm64/kernel/perf_regs.c | 2 +-
arch/arm64/kernel/process.c | 4 +-
arch/arm64/kernel/signal.c | 8 +--
arch/arm64/kernel/signal32.c | 88 ++++++++++++++--------------
arch/arm64/kernel/sys_compat.c | 10 ++--
arch/arm64/kernel/traps.c | 6 +-
12 files changed, 90 insertions(+), 89 deletions(-)

diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index 0c85b469ad68..1ca181a6903a 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -155,16 +155,16 @@ static inline void forget_syscall(struct pt_regs *regs)
#define arch_has_single_step() (1)

#ifdef CONFIG_AARCH32_EL0
-#define compat_thumb_mode(regs) \
+#define a32_thumb_mode(regs) \
(((regs)->pstate & COMPAT_PSR_T_BIT))
#else
-#define compat_thumb_mode(regs) (0)
+#define a32_thumb_mode(regs) (0)
#endif

#define user_mode(regs) \
(((regs)->pstate & PSR_MODE_MASK) == PSR_MODE_EL0t)

-#define compat_user_mode(regs) \
+#define a32_user_mode(regs) \
(((regs)->pstate & (PSR_MODE32_BIT | PSR_MODE_MASK)) == \
(PSR_MODE32_BIT | PSR_MODE_EL0t))

@@ -178,10 +178,10 @@ static inline void forget_syscall(struct pt_regs *regs)
(!((regs)->pstate & PSR_F_BIT))

#define GET_USP(regs) \
- (!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp)
+ (!a32_user_mode(regs) ? (regs)->sp : (regs)->compat_sp)

#define SET_USP(ptregs, value) \
- (!compat_user_mode(regs) ? ((regs)->sp = value) : ((regs)->compat_sp = value))
+ (!a32_user_mode(regs) ? ((regs)->sp = value) : ((regs)->compat_sp = value))

extern int regs_query_register_offset(const char *name);
extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
diff --git a/arch/arm64/include/asm/signal32.h b/arch/arm64/include/asm/signal32.h
index 2ebde460f5a0..92f48828b13a 100644
--- a/arch/arm64/include/asm/signal32.h
+++ b/arch/arm64/include/asm/signal32.h
@@ -24,27 +24,28 @@

#define AARCH32_KERN_SIGRET_CODE_OFFSET 0x500

-int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
+int a32_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs);
-int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
+
+int a32_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs);

-void compat_setup_restart_syscall(struct pt_regs *regs);
+void a32_setup_restart_syscall(struct pt_regs *regs);
#else

-static inline int compat_setup_frame(int usid, struct ksignal *ksig,
+static inline int a32_setup_frame(int usid, struct ksignal *ksig,
sigset_t *set, struct pt_regs *regs)
{
return -ENOSYS;
}

-static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
+static inline int a32_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
return -ENOSYS;
}

-static inline void compat_setup_restart_syscall(struct pt_regs *regs)
+static inline void a32_setup_restart_syscall(struct pt_regs *regs)
{
}
#endif /* CONFIG_AARCH32_EL0 */
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 68450e954d47..b4f5ab915a0d 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -555,7 +555,7 @@ static int setend_set_hw_mode(bool enable)
return 0;
}

-static int compat_setend_handler(struct pt_regs *regs, u32 big_endian)
+static int __a32_setend_handler(struct pt_regs *regs, u32 big_endian)
{
char *insn;

@@ -578,14 +578,14 @@ static int compat_setend_handler(struct pt_regs *regs, u32 big_endian)

static int a32_setend_handler(struct pt_regs *regs, u32 instr)
{
- int rc = compat_setend_handler(regs, (instr >> 9) & 1);
+ int rc = __a32_setend_handler(regs, (instr >> 9) & 1);
arm64_skip_faulting_instruction(regs, 4);
return rc;
}

static int t16_setend_handler(struct pt_regs *regs, u32 instr)
{
- int rc = compat_setend_handler(regs, (instr >> 3) & 1);
+ int rc = __a32_setend_handler(regs, (instr >> 3) & 1);
arm64_skip_faulting_instruction(regs, 2);
return rc;
}
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 1ea242547466..28b7bc582334 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -1132,7 +1132,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
{},
};

-static const struct arm64_cpu_capabilities compat_elf_hwcaps[] = {
+static const struct arm64_cpu_capabilities a32_elf_hwcaps[] = {
#ifdef CONFIG_AARCH32_EL0
HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_PMULL),
HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_AES),
@@ -1331,7 +1331,7 @@ static void verify_local_cpu_capabilities(void)
verify_local_elf_hwcaps(arm64_elf_hwcaps);

if (system_supports_32bit_el0())
- verify_local_elf_hwcaps(compat_elf_hwcaps);
+ verify_local_elf_hwcaps(a32_elf_hwcaps);

if (system_supports_sve())
verify_sve_features();
@@ -1394,7 +1394,7 @@ void __init setup_cpu_features(void)
setup_elf_hwcaps(arm64_elf_hwcaps);

if (system_supports_32bit_el0())
- setup_elf_hwcaps(compat_elf_hwcaps);
+ setup_elf_hwcaps(a32_elf_hwcaps);

sve_setup();

diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 53781f5687c5..541f681c3203 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -338,10 +338,10 @@ int aarch32_break_handler(struct pt_regs *regs)
bool bp = false;
void __user *pc = (void __user *)instruction_pointer(regs);

- if (!compat_user_mode(regs))
+ if (!a32_user_mode(regs))
return -EFAULT;

- if (compat_thumb_mode(regs)) {
+ if (a32_thumb_mode(regs)) {
/* get 16-bit Thumb instruction */
__le16 instr;
get_user(instr, (__le16 __user *)pc);
diff --git a/arch/arm64/kernel/perf_callchain.c b/arch/arm64/kernel/perf_callchain.c
index 32e07818835d..6019d53d4ec6 100644
--- a/arch/arm64/kernel/perf_callchain.c
+++ b/arch/arm64/kernel/perf_callchain.c
@@ -64,21 +64,21 @@ user_backtrace(struct frame_tail __user *tail,
* The registers we're interested in are at the end of the variable
* length saved register structure. The fp points at the end of this
* structure so the address of this struct is:
- * (struct compat_frame_tail *)(xxx->fp)-1
+ * (struct a32_frame_tail *)(xxx->fp)-1
*
* This code has been adapted from the ARM OProfile support.
*/
-struct compat_frame_tail {
- compat_uptr_t fp; /* a (struct compat_frame_tail *) in compat mode */
+struct a32_frame_tail {
+ compat_uptr_t fp; /* a (struct a32_frame_tail *) in compat mode */
u32 sp;
u32 lr;
} __attribute__((packed));

-static struct compat_frame_tail __user *
-compat_user_backtrace(struct compat_frame_tail __user *tail,
+static struct a32_frame_tail __user *
+compat_user_backtrace(struct a32_frame_tail __user *tail,
struct perf_callchain_entry_ctx *entry)
{
- struct compat_frame_tail buftail;
+ struct a32_frame_tail buftail;
unsigned long err;

/* Also check accessibility of one struct frame_tail beyond */
@@ -98,11 +98,11 @@ compat_user_backtrace(struct compat_frame_tail __user *tail,
* Frame pointers should strictly progress back up the stack
* (towards higher addresses).
*/
- if (tail + 1 >= (struct compat_frame_tail __user *)
+ if (tail + 1 >= (struct a32_frame_tail __user *)
compat_ptr(buftail.fp))
return NULL;

- return (struct compat_frame_tail __user *)compat_ptr(buftail.fp) - 1;
+ return (struct a32_frame_tail __user *)compat_ptr(buftail.fp) - 1;
}
#endif /* CONFIG_AARCH32_EL0 */

@@ -116,7 +116,7 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry,

perf_callchain_store(entry, regs->pc);

- if (!compat_user_mode(regs)) {
+ if (!a32_user_mode(regs)) {
/* AARCH64 mode */
struct frame_tail __user *tail;

@@ -128,9 +128,9 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
} else {
#ifdef CONFIG_AARCH32_EL0
/* AARCH32 compat mode */
- struct compat_frame_tail __user *tail;
+ struct a32_frame_tail __user *tail;

- tail = (struct compat_frame_tail __user *)regs->compat_fp - 1;
+ tail = (struct a32_frame_tail __user *)regs->compat_fp - 1;

while ((entry->nr < entry->max_stack) &&
tail && !((unsigned long)tail & 0x3))
diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c
index 1d091d048d04..513e279b12d3 100644
--- a/arch/arm64/kernel/perf_regs.c
+++ b/arch/arm64/kernel/perf_regs.c
@@ -19,7 +19,7 @@ u64 perf_reg_value(struct pt_regs *regs, int idx)
* - PC has been set in the pt_regs struct in kernel_entry,
* - Handle SP and LR here.
*/
- if (compat_user_mode(regs)) {
+ if (a32_user_mode(regs)) {
if ((u32)idx == PERF_REG_ARM64_SP)
return regs->compat_sp;
if ((u32)idx == PERF_REG_ARM64_LR)
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index c0da6efe5465..105f79d126ee 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -174,7 +174,7 @@ static void print_pstate(struct pt_regs *regs)
{
u64 pstate = regs->pstate;

- if (compat_user_mode(regs)) {
+ if (a32_user_mode(regs)) {
printk("pstate: %08llx (%c%c%c%c %c %s %s %c%c%c)\n",
pstate,
pstate & COMPAT_PSR_N_BIT ? 'N' : 'n',
@@ -208,7 +208,7 @@ void __show_regs(struct pt_regs *regs)
int i, top_reg;
u64 lr, sp;

- if (compat_user_mode(regs)) {
+ if (a32_user_mode(regs)) {
lr = regs->compat_lr;
sp = regs->compat_sp;
top_reg = 12;
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index 65406218743c..fb7c1a510ed4 100644
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -779,7 +779,7 @@ static int setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
static void setup_restart_syscall(struct pt_regs *regs)
{
if (is_compat_task())
- compat_setup_restart_syscall(regs);
+ a32_setup_restart_syscall(regs);
else
regs->regs[8] = __NR_restart_syscall;
}
@@ -799,9 +799,9 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
*/
if (is_compat_task()) {
if (ksig->ka.sa.sa_flags & SA_SIGINFO)
- ret = compat_setup_rt_frame(usig, ksig, oldset, regs);
+ ret = a32_setup_rt_frame(usig, ksig, oldset, regs);
else
- ret = compat_setup_frame(usig, ksig, oldset, regs);
+ ret = a32_setup_frame(usig, ksig, oldset, regs);
} else {
ret = setup_rt_frame(usig, ksig, oldset, regs);
}
@@ -841,7 +841,7 @@ static void do_signal(struct pt_regs *regs)
*/
if (in_syscall(regs)) {
continue_addr = regs->pc;
- restart_addr = continue_addr - (compat_thumb_mode(regs) ? 2 : 4);
+ restart_addr = continue_addr - (a32_thumb_mode(regs) ? 2 : 4);
retval = regs->regs[0];

/*
diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c
index 79feb861929b..739e13b54820 100644
--- a/arch/arm64/kernel/signal32.c
+++ b/arch/arm64/kernel/signal32.c
@@ -29,7 +29,7 @@
#include <linux/uaccess.h>
#include <asm/unistd.h>

-struct compat_sigcontext {
+struct a32_sigcontext {
/* We always set these two fields to 0 */
compat_ulong_t trap_no;
compat_ulong_t error_code;
@@ -55,17 +55,17 @@ struct compat_sigcontext {
compat_ulong_t fault_address;
};

-struct compat_ucontext {
+struct a32_ucontext {
compat_ulong_t uc_flags;
compat_uptr_t uc_link;
compat_stack_t uc_stack;
- struct compat_sigcontext uc_mcontext;
+ struct a32_sigcontext uc_mcontext;
compat_sigset_t uc_sigmask;
int __unused[32 - (sizeof (compat_sigset_t) / sizeof (int))];
compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8)));
};

-struct compat_vfp_sigframe {
+struct a32_vfp_sigframe {
compat_ulong_t magic;
compat_ulong_t size;
struct compat_user_vfp {
@@ -80,25 +80,25 @@ struct compat_vfp_sigframe {
} __attribute__((__aligned__(8)));

#define VFP_MAGIC 0x56465001
-#define VFP_STORAGE_SIZE sizeof(struct compat_vfp_sigframe)
+#define VFP_STORAGE_SIZE sizeof(struct a32_vfp_sigframe)

#define FSR_WRITE_SHIFT (11)

-struct compat_aux_sigframe {
- struct compat_vfp_sigframe vfp;
+struct a32_aux_sigframe {
+ struct a32_vfp_sigframe vfp;

/* Something that isn't a valid magic number for any coprocessor. */
unsigned long end_magic;
} __attribute__((__aligned__(8)));

-struct compat_sigframe {
- struct compat_ucontext uc;
+struct a32_sigframe {
+ struct a32_ucontext uc;
compat_ulong_t retcode[2];
};

-struct compat_rt_sigframe {
+struct a32_rt_sigframe {
struct compat_siginfo info;
- struct compat_sigframe sig;
+ struct a32_sigframe sig;
};

#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@ -129,7 +129,7 @@ static inline int get_sigset_t(sigset_t *set,
* VFP save/restore code.
*
* We have to be careful with endianness, since the fpsimd context-switch
- * code operates on 128-bit (Q) register values whereas the compat ABI
+ * code operates on 128-bit (Q) register values whereas the a32 ABI
* uses an array of 64-bit (D) registers. Consequently, we need to swap
* the two halves of each Q register when running on a big-endian CPU.
*/
@@ -146,7 +146,7 @@ union __fpsimd_vreg {
};
};

-static int compat_preserve_vfp_context(struct compat_vfp_sigframe __user *frame)
+static int a32_preserve_vfp_context(struct a32_vfp_sigframe __user *frame)
{
struct user_fpsimd_state const *fpsimd =
&current->thread.fpsimd_state.user_fpsimd;
@@ -196,7 +196,7 @@ static int compat_preserve_vfp_context(struct compat_vfp_sigframe __user *frame)
return err ? -EFAULT : 0;
}

-static int compat_restore_vfp_context(struct compat_vfp_sigframe __user *frame)
+static int a32_restore_vfp_context(struct a32_vfp_sigframe __user *frame)
{
struct user_fpsimd_state fpsimd;
compat_ulong_t magic = VFP_MAGIC;
@@ -236,12 +236,12 @@ static int compat_restore_vfp_context(struct compat_vfp_sigframe __user *frame)
return err ? -EFAULT : 0;
}

-static int compat_restore_sigframe(struct pt_regs *regs,
- struct compat_sigframe __user *sf)
+static int a32_restore_sigframe(struct pt_regs *regs,
+ struct a32_sigframe __user *sf)
{
int err;
sigset_t set;
- struct compat_aux_sigframe __user *aux;
+ struct a32_aux_sigframe __user *aux;

err = get_sigset_t(&set, &sf->uc.uc_sigmask);
if (err == 0) {
@@ -274,16 +274,16 @@ static int compat_restore_sigframe(struct pt_regs *regs,

err |= !valid_user_regs(&regs->user_regs, current);

- aux = (struct compat_aux_sigframe __user *) sf->uc.uc_regspace;
+ aux = (struct a32_aux_sigframe __user *) sf->uc.uc_regspace;
if (err == 0)
- err |= compat_restore_vfp_context(&aux->vfp);
+ err |= a32_restore_vfp_context(&aux->vfp);

return err;
}

asmlinkage int compat_sys_sigreturn(struct pt_regs *regs)
{
- struct compat_sigframe __user *frame;
+ struct a32_sigframe __user *frame;

/* Always make any pending restarted system calls return -EINTR */
current->restart_block.fn = do_no_restart_syscall;
@@ -296,12 +296,12 @@ asmlinkage int compat_sys_sigreturn(struct pt_regs *regs)
if (regs->compat_sp & 7)
goto badframe;

- frame = (struct compat_sigframe __user *)regs->compat_sp;
+ frame = (struct a32_sigframe __user *)regs->compat_sp;

if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))
goto badframe;

- if (compat_restore_sigframe(regs, frame))
+ if (a32_restore_sigframe(regs, frame))
goto badframe;

return regs->regs[0];
@@ -317,7 +317,7 @@ asmlinkage int compat_sys_sigreturn(struct pt_regs *regs)

asmlinkage int compat_sys_rt_sigreturn(struct pt_regs *regs)
{
- struct compat_rt_sigframe __user *frame;
+ struct a32_rt_sigframe __user *frame;

/* Always make any pending restarted system calls return -EINTR */
current->restart_block.fn = do_no_restart_syscall;
@@ -330,12 +330,12 @@ asmlinkage int compat_sys_rt_sigreturn(struct pt_regs *regs)
if (regs->compat_sp & 7)
goto badframe;

- frame = (struct compat_rt_sigframe __user *)regs->compat_sp;
+ frame = (struct a32_rt_sigframe __user *)regs->compat_sp;

if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))
goto badframe;

- if (compat_restore_sigframe(regs, &frame->sig))
+ if (a32_restore_sigframe(regs, &frame->sig))
goto badframe;

if (compat_restore_altstack(&frame->sig.uc.uc_stack))
@@ -352,7 +352,7 @@ asmlinkage int compat_sys_rt_sigreturn(struct pt_regs *regs)
return 0;
}

-static void __user *compat_get_sigframe(struct ksignal *ksig,
+static void __user *a32_get_sigframe(struct ksignal *ksig,
struct pt_regs *regs,
int framesize)
{
@@ -373,7 +373,7 @@ static void __user *compat_get_sigframe(struct ksignal *ksig,
return frame;
}

-static void compat_setup_return(struct pt_regs *regs, struct k_sigaction *ka,
+static void a32_setup_return(struct pt_regs *regs, struct k_sigaction *ka,
compat_ulong_t __user *rc, void __user *frame,
int usig)
{
@@ -417,10 +417,10 @@ static void compat_setup_return(struct pt_regs *regs, struct k_sigaction *ka,
regs->pstate = spsr;
}

-static int compat_setup_sigframe(struct compat_sigframe __user *sf,
+static int a32_setup_sigframe(struct a32_sigframe __user *sf,
struct pt_regs *regs, sigset_t *set)
{
- struct compat_aux_sigframe __user *aux;
+ struct a32_aux_sigframe __user *aux;
int err = 0;

__put_user_error(regs->regs[0], &sf->uc.uc_mcontext.arm_r0, err);
@@ -442,7 +442,7 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf,
__put_user_error(regs->pstate, &sf->uc.uc_mcontext.arm_cpsr, err);

__put_user_error((compat_ulong_t)0, &sf->uc.uc_mcontext.trap_no, err);
- /* set the compat FSR WnR */
+ /* set the aarch32 FSR WnR */
__put_user_error(!!(current->thread.fault_code & ESR_ELx_WNR) <<
FSR_WRITE_SHIFT, &sf->uc.uc_mcontext.error_code, err);
__put_user_error(current->thread.fault_address, &sf->uc.uc_mcontext.fault_address, err);
@@ -450,25 +450,25 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf,

err |= put_sigset_t(&sf->uc.uc_sigmask, set);

- aux = (struct compat_aux_sigframe __user *) sf->uc.uc_regspace;
+ aux = (struct a32_aux_sigframe __user *) sf->uc.uc_regspace;

if (err == 0)
- err |= compat_preserve_vfp_context(&aux->vfp);
+ err |= a32_preserve_vfp_context(&aux->vfp);
__put_user_error(0, &aux->end_magic, err);

return err;
}

/*
- * 32-bit signal handling routines called from signal.c
+ * aarch32-bit signal handling routines called from signal.c
*/
-int compat_setup_rt_frame(int usig, struct ksignal *ksig,
+int a32_setup_rt_frame(int usig, struct ksignal *ksig,
sigset_t *set, struct pt_regs *regs)
{
- struct compat_rt_sigframe __user *frame;
+ struct a32_rt_sigframe __user *frame;
int err = 0;

- frame = compat_get_sigframe(ksig, regs, sizeof(*frame));
+ frame = a32_get_sigframe(ksig, regs, sizeof(*frame));

if (!frame)
return 1;
@@ -480,10 +480,10 @@ int compat_setup_rt_frame(int usig, struct ksignal *ksig,

err |= __compat_save_altstack(&frame->sig.uc.uc_stack, regs->compat_sp);

- err |= compat_setup_sigframe(&frame->sig, regs, set);
+ err |= a32_setup_sigframe(&frame->sig, regs, set);

if (err == 0) {
- compat_setup_return(regs, &ksig->ka, frame->sig.retcode, frame, usig);
+ a32_setup_return(regs, &ksig->ka, frame->sig.retcode, frame, usig);
regs->regs[1] = (compat_ulong_t)(unsigned long)&frame->info;
regs->regs[2] = (compat_ulong_t)(unsigned long)&frame->sig.uc;
}
@@ -491,27 +491,27 @@ int compat_setup_rt_frame(int usig, struct ksignal *ksig,
return err;
}

-int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
+int a32_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
- struct compat_sigframe __user *frame;
+ struct a32_sigframe __user *frame;
int err = 0;

- frame = compat_get_sigframe(ksig, regs, sizeof(*frame));
+ frame = a32_get_sigframe(ksig, regs, sizeof(*frame));

if (!frame)
return 1;

__put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err);

- err |= compat_setup_sigframe(frame, regs, set);
+ err |= a32_setup_sigframe(frame, regs, set);
if (err == 0)
- compat_setup_return(regs, &ksig->ka, frame->retcode, frame, usig);
+ a32_setup_return(regs, &ksig->ka, frame->retcode, frame, usig);

return err;
}

-void compat_setup_restart_syscall(struct pt_regs *regs)
+void a32_setup_restart_syscall(struct pt_regs *regs)
{
regs->regs[7] = __NR_compat_restart_syscall;
}
diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c
index a382b2a1b84e..44eabb78d116 100644
--- a/arch/arm64/kernel/sys_compat.c
+++ b/arch/arm64/kernel/sys_compat.c
@@ -30,7 +30,7 @@
#include <asm/unistd.h>

static long
-__do_compat_cache_op(unsigned long start, unsigned long end)
+__do_a32_cache_op(unsigned long start, unsigned long end)
{
long ret;

@@ -52,7 +52,7 @@ __do_compat_cache_op(unsigned long start, unsigned long end)
}

static inline long
-do_compat_cache_op(unsigned long start, unsigned long end, int flags)
+do_a32_cache_op(unsigned long start, unsigned long end, int flags)
{
if (end < start || flags)
return -EINVAL;
@@ -60,12 +60,12 @@ do_compat_cache_op(unsigned long start, unsigned long end, int flags)
if (!access_ok(VERIFY_READ, (const void __user *)start, end - start))
return -EFAULT;

- return __do_compat_cache_op(start, end);
+ return __do_a32_cache_op(start, end);
}
/*
* Handle all unrecognised system calls.
*/
-long compat_arm_syscall(struct pt_regs *regs)
+long a32_arm_syscall(struct pt_regs *regs)
{
unsigned int no = regs->regs[7];

@@ -85,7 +85,7 @@ long compat_arm_syscall(struct pt_regs *regs)
* the specified region).
*/
case __ARM_NR_compat_cacheflush:
- return do_compat_cache_op(regs->regs[0], regs->regs[1], regs->regs[2]);
+ return do_a32_cache_op(regs->regs[0], regs->regs[1], regs->regs[2]);

case __ARM_NR_compat_set_tls:
current->thread.tp_value = regs->regs[0];
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index 691b3bbc7606..d2ebfc2f4fbc 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -278,7 +278,7 @@ static int call_undef_hook(struct pt_regs *regs)
if (!user_mode(regs))
return 1;

- if (compat_thumb_mode(regs)) {
+ if (a32_thumb_mode(regs)) {
/* 16-bit Thumb instruction */
__le16 instr_le;
if (get_user(instr_le, (__le16 __user *)pc))
@@ -513,14 +513,14 @@ asmlinkage void __exception do_sysinstr(unsigned int esr, struct pt_regs *regs)
do_undefinstr(regs);
}

-long compat_arm_syscall(struct pt_regs *regs);
+long a32_arm_syscall(struct pt_regs *regs);

asmlinkage long do_ni_syscall(struct pt_regs *regs)
{
#ifdef CONFIG_AARCH32_EL0
long ret;
if (is_compat_task()) {
- ret = compat_arm_syscall(regs);
+ ret = a32_arm_syscall(regs);
if (ret != -ENOSYS)
return ret;
}
--
2.17.0