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-rw-r--r--arch/sh/kernel/Makefile2
-rw-r--r--arch/sh/kernel/disassemble.c103
-rw-r--r--arch/sh/kernel/dma-coherent.c51
-rw-r--r--arch/sh/kernel/dumpstack.c30
-rw-r--r--arch/sh/kernel/entry-common.S59
-rw-r--r--arch/sh/kernel/io_trapped.c2
-rw-r--r--arch/sh/kernel/ioport.c1
-rw-r--r--arch/sh/kernel/machvec.c8
-rw-r--r--arch/sh/kernel/perf_callchain.c6
-rw-r--r--arch/sh/kernel/process_32.c38
-rw-r--r--arch/sh/kernel/ptrace_32.c5
-rw-r--r--arch/sh/kernel/stacktrace.c7
12 files changed, 122 insertions, 190 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index b0f5574b6228..aa0fbc9202b1 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -47,5 +47,3 @@ obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o
obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_callchain.o
obj-$(CONFIG_DMA_NONCOHERENT) += dma-coherent.o
obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
-
-ccflags-y := -Werror
diff --git a/arch/sh/kernel/disassemble.c b/arch/sh/kernel/disassemble.c
index 845543780cc5..08e1af63edd9 100644
--- a/arch/sh/kernel/disassemble.c
+++ b/arch/sh/kernel/disassemble.c
@@ -376,148 +376,148 @@ static void print_sh_insn(u32 memaddr, u16 insn)
}
ok:
- printk("%-8s ", op->name);
+ pr_cont("%-8s ", op->name);
lastsp = (op->arg[0] == A_END);
disp_pc = 0;
for (n = 0; n < 6 && op->arg[n] != A_END; n++) {
if (n && op->arg[1] != A_END)
- printk(", ");
+ pr_cont(", ");
switch (op->arg[n]) {
case A_IMM:
- printk("#%d", (char)(imm));
+ pr_cont("#%d", (char)(imm));
break;
case A_R0:
- printk("r0");
+ pr_cont("r0");
break;
case A_REG_N:
- printk("r%d", rn);
+ pr_cont("r%d", rn);
break;
case A_INC_N:
- printk("@r%d+", rn);
+ pr_cont("@r%d+", rn);
break;
case A_DEC_N:
- printk("@-r%d", rn);
+ pr_cont("@-r%d", rn);
break;
case A_IND_N:
- printk("@r%d", rn);
+ pr_cont("@r%d", rn);
break;
case A_DISP_REG_N:
- printk("@(%d,r%d)", imm, rn);
+ pr_cont("@(%d,r%d)", imm, rn);
break;
case A_REG_M:
- printk("r%d", rm);
+ pr_cont("r%d", rm);
break;
case A_INC_M:
- printk("@r%d+", rm);
+ pr_cont("@r%d+", rm);
break;
case A_DEC_M:
- printk("@-r%d", rm);
+ pr_cont("@-r%d", rm);
break;
case A_IND_M:
- printk("@r%d", rm);
+ pr_cont("@r%d", rm);
break;
case A_DISP_REG_M:
- printk("@(%d,r%d)", imm, rm);
+ pr_cont("@(%d,r%d)", imm, rm);
break;
case A_REG_B:
- printk("r%d_bank", rb);
+ pr_cont("r%d_bank", rb);
break;
case A_DISP_PC:
disp_pc = 1;
disp_pc_addr = imm + 4 + (memaddr & relmask);
- printk("%08x <%pS>", disp_pc_addr,
- (void *)disp_pc_addr);
+ pr_cont("%08x <%pS>", disp_pc_addr,
+ (void *)disp_pc_addr);
break;
case A_IND_R0_REG_N:
- printk("@(r0,r%d)", rn);
+ pr_cont("@(r0,r%d)", rn);
break;
case A_IND_R0_REG_M:
- printk("@(r0,r%d)", rm);
+ pr_cont("@(r0,r%d)", rm);
break;
case A_DISP_GBR:
- printk("@(%d,gbr)",imm);
+ pr_cont("@(%d,gbr)", imm);
break;
case A_R0_GBR:
- printk("@(r0,gbr)");
+ pr_cont("@(r0,gbr)");
break;
case A_BDISP12:
case A_BDISP8:
- printk("%08x", imm + memaddr);
+ pr_cont("%08x", imm + memaddr);
break;
case A_SR:
- printk("sr");
+ pr_cont("sr");
break;
case A_GBR:
- printk("gbr");
+ pr_cont("gbr");
break;
case A_VBR:
- printk("vbr");
+ pr_cont("vbr");
break;
case A_SSR:
- printk("ssr");
+ pr_cont("ssr");
break;
case A_SPC:
- printk("spc");
+ pr_cont("spc");
break;
case A_MACH:
- printk("mach");
+ pr_cont("mach");
break;
case A_MACL:
- printk("macl");
+ pr_cont("macl");
break;
case A_PR:
- printk("pr");
+ pr_cont("pr");
break;
case A_SGR:
- printk("sgr");
+ pr_cont("sgr");
break;
case A_DBR:
- printk("dbr");
+ pr_cont("dbr");
break;
case FD_REG_N:
case F_REG_N:
- printk("fr%d", rn);
+ pr_cont("fr%d", rn);
break;
case F_REG_M:
- printk("fr%d", rm);
+ pr_cont("fr%d", rm);
break;
case DX_REG_N:
if (rn & 1) {
- printk("xd%d", rn & ~1);
+ pr_cont("xd%d", rn & ~1);
break;
}
/* else, fall through */
case D_REG_N:
- printk("dr%d", rn);
+ pr_cont("dr%d", rn);
break;
case DX_REG_M:
if (rm & 1) {
- printk("xd%d", rm & ~1);
+ pr_cont("xd%d", rm & ~1);
break;
}
/* else, fall through */
case D_REG_M:
- printk("dr%d", rm);
+ pr_cont("dr%d", rm);
break;
case FPSCR_M:
case FPSCR_N:
- printk("fpscr");
+ pr_cont("fpscr");
break;
case FPUL_M:
case FPUL_N:
- printk("fpul");
+ pr_cont("fpul");
break;
case F_FR0:
- printk("fr0");
+ pr_cont("fr0");
break;
case V_REG_N:
- printk("fv%d", rn*4);
+ pr_cont("fv%d", rn*4);
break;
case V_REG_M:
- printk("fv%d", rm*4);
+ pr_cont("fv%d", rm*4);
break;
case XMTRX_M4:
- printk("xmtrx");
+ pr_cont("xmtrx");
break;
default:
return;
@@ -532,7 +532,7 @@ static void print_sh_insn(u32 memaddr, u16 insn)
else
__get_user(val, (u32 *)disp_pc_addr);
- printk(" ! %08x <%pS>", val, (void *)val);
+ pr_cont(" ! %08x <%pS>", val, (void *)val);
}
return;
@@ -541,7 +541,7 @@ static void print_sh_insn(u32 memaddr, u16 insn)
}
- printk(".word 0x%x%x%x%x", nibs[0], nibs[1], nibs[2], nibs[3]);
+ pr_info(".word 0x%x%x%x%x", nibs[0], nibs[1], nibs[2], nibs[3]);
}
void show_code(struct pt_regs *regs)
@@ -552,20 +552,21 @@ void show_code(struct pt_regs *regs)
if (regs->pc & 0x1)
return;
- printk("Code:\n");
+ pr_info("Code:\n");
for (i = -3 ; i < 6 ; i++) {
unsigned short insn;
if (__get_user(insn, pc + i)) {
- printk(" (Bad address in pc)\n");
+ pr_err(" (Bad address in pc)\n");
break;
}
- printk("%s%08lx: ", (i ? " ": "->"), (unsigned long)(pc + i));
+ pr_info("%s%08lx: ", (i ? " " : "->"),
+ (unsigned long)(pc + i));
print_sh_insn((unsigned long)(pc + i), insn);
- printk("\n");
+ pr_cont("\n");
}
- printk("\n");
+ pr_info("\n");
}
diff --git a/arch/sh/kernel/dma-coherent.c b/arch/sh/kernel/dma-coherent.c
index d4811691b93c..cd46a9825e3c 100644
--- a/arch/sh/kernel/dma-coherent.c
+++ b/arch/sh/kernel/dma-coherent.c
@@ -3,60 +3,13 @@
* Copyright (C) 2004 - 2007 Paul Mundt
*/
#include <linux/mm.h>
-#include <linux/init.h>
#include <linux/dma-noncoherent.h>
-#include <linux/module.h>
#include <asm/cacheflush.h>
#include <asm/addrspace.h>
-void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t gfp, unsigned long attrs)
+void arch_dma_prep_coherent(struct page *page, size_t size)
{
- void *ret, *ret_nocache;
- int order = get_order(size);
-
- gfp |= __GFP_ZERO;
-
- ret = (void *)__get_free_pages(gfp, order);
- if (!ret)
- return NULL;
-
- /*
- * Pages from the page allocator may have data present in
- * cache. So flush the cache before using uncached memory.
- */
- arch_sync_dma_for_device(virt_to_phys(ret), size,
- DMA_BIDIRECTIONAL);
-
- ret_nocache = (void __force *)ioremap(virt_to_phys(ret), size);
- if (!ret_nocache) {
- free_pages((unsigned long)ret, order);
- return NULL;
- }
-
- split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order);
-
- *dma_handle = virt_to_phys(ret);
- if (!WARN_ON(!dev))
- *dma_handle -= PFN_PHYS(dev->dma_pfn_offset);
-
- return ret_nocache;
-}
-
-void arch_dma_free(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_handle, unsigned long attrs)
-{
- int order = get_order(size);
- unsigned long pfn = (dma_handle >> PAGE_SHIFT);
- int k;
-
- if (!WARN_ON(!dev))
- pfn += dev->dma_pfn_offset;
-
- for (k = 0; k < (1 << order); k++)
- __free_pages(pfn_to_page(pfn + k), 0);
-
- iounmap(vaddr);
+ __flush_purge_region(page_address(page), size);
}
void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index a13c045804ed..758a6c89e911 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -16,8 +16,8 @@
#include <asm/unwinder.h>
#include <asm/stacktrace.h>
-void dump_mem(const char *str, const char *loglvl,
- unsigned long bottom, unsigned long top)
+void dump_mem(const char *str, const char *loglvl, unsigned long bottom,
+ unsigned long top)
{
unsigned long p;
int i;
@@ -31,23 +31,23 @@ void dump_mem(const char *str, const char *loglvl,
unsigned int val;
if (p < bottom || p >= top)
- printk("%s ", loglvl);
+ pr_cont(" ");
else {
if (__get_user(val, (unsigned int __user *)p)) {
- printk("%s\n", loglvl);
+ pr_cont("\n");
return;
}
- printk("%s%08x ", loglvl, val);
+ pr_cont("%08x ", val);
}
}
- printk("%s\n", loglvl);
+ pr_cont("\n");
}
}
-void printk_address(unsigned long address, int reliable, const char *loglvl)
+void printk_address(unsigned long address, int reliable)
{
- printk("%s [<%p>] %s%pS\n", loglvl, (void *) address,
- reliable ? "" : "? ", (void *) address);
+ pr_cont(" [<%px>] %s%pS\n", (void *) address,
+ reliable ? "" : "? ", (void *) address);
}
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
@@ -107,22 +107,16 @@ stack_reader_dump(struct task_struct *task, struct pt_regs *regs,
}
}
-static int print_trace_stack(void *data, char *name)
-{
- printk("%s <%s> ", (char *)data, name);
- return 0;
-}
-
/*
* Print one address/symbol entries per line.
*/
static void print_trace_address(void *data, unsigned long addr, int reliable)
{
- printk_address(addr, reliable, (char *)data);
+ printk("%s", (char *)data);
+ printk_address(addr, reliable);
}
static const struct stacktrace_ops print_trace_ops = {
- .stack = print_trace_stack,
.address = print_trace_address,
};
@@ -136,7 +130,7 @@ void show_trace(struct task_struct *tsk, unsigned long *sp,
unwind_stack(tsk, regs, sp, &print_trace_ops, (void *)loglvl);
- printk("%s\n", loglvl);
+ pr_cont("\n");
if (!tsk)
tsk = current;
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 9bac5bbb67f3..ad963104d22d 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -178,34 +178,6 @@ syscall_exit_work:
bra resume_userspace
nop
- .align 2
-syscall_trace_entry:
- ! Yes it is traced.
- mov r15, r4
- mov.l 7f, r11 ! Call do_syscall_trace_enter which notifies
- jsr @r11 ! superior (will chomp R[0-7])
- nop
- mov.l r0, @(OFF_R0,r15) ! Save return value
- ! Reload R0-R4 from kernel stack, where the
- ! parent may have modified them using
- ! ptrace(POKEUSR). (Note that R0-R2 are
- ! reloaded from the kernel stack by syscall_call
- ! below, so don't need to be reloaded here.)
- ! This allows the parent to rewrite system calls
- ! and args on the fly.
- mov.l @(OFF_R4,r15), r4 ! arg0
- mov.l @(OFF_R5,r15), r5
- mov.l @(OFF_R6,r15), r6
- mov.l @(OFF_R7,r15), r7 ! arg3
- mov.l @(OFF_R3,r15), r3 ! syscall_nr
- !
- mov.l 6f, r10 ! Number of syscalls
- cmp/hs r10, r3
- bf syscall_call
- mov #-ENOSYS, r0
- bra syscall_exit
- mov.l r0, @(OFF_R0,r15) ! Return value
-
__restore_all:
mov #OFF_SR, r0
mov.l @(r0,r15), r0 ! get status register
@@ -388,6 +360,37 @@ syscall_exit:
bf syscall_exit_work
bra __restore_all
nop
+
+ .align 2
+syscall_trace_entry:
+ ! Yes it is traced.
+ mov r15, r4
+ mov.l 7f, r11 ! Call do_syscall_trace_enter which notifies
+ jsr @r11 ! superior (will chomp R[0-7])
+ nop
+ cmp/eq #-1, r0
+ bt syscall_exit
+ mov.l r0, @(OFF_R0,r15) ! Save return value
+ ! Reload R0-R4 from kernel stack, where the
+ ! parent may have modified them using
+ ! ptrace(POKEUSR). (Note that R0-R2 are
+ ! reloaded from the kernel stack by syscall_call
+ ! below, so don't need to be reloaded here.)
+ ! This allows the parent to rewrite system calls
+ ! and args on the fly.
+ mov.l @(OFF_R4,r15), r4 ! arg0
+ mov.l @(OFF_R5,r15), r5
+ mov.l @(OFF_R6,r15), r6
+ mov.l @(OFF_R7,r15), r7 ! arg3
+ mov.l @(OFF_R3,r15), r3 ! syscall_nr
+ !
+ mov.l 6f, r10 ! Number of syscalls
+ cmp/hs r10, r3
+ bf syscall_call
+ mov #-ENOSYS, r0
+ bra syscall_exit
+ mov.l r0, @(OFF_R0,r15) ! Return value
+
.align 2
#if !defined(CONFIG_CPU_SH2)
1: .long TRA
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index 037aab2708b7..004ad0130b10 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c
@@ -102,7 +102,6 @@ int register_trapped_io(struct trapped_io *tiop)
pr_warn("unable to install trapped io filter\n");
return -1;
}
-EXPORT_SYMBOL_GPL(register_trapped_io);
void __iomem *match_trapped_io_handler(struct list_head *list,
unsigned long offset,
@@ -131,7 +130,6 @@ void __iomem *match_trapped_io_handler(struct list_head *list,
spin_unlock_irqrestore(&trapped_lock, flags);
return NULL;
}
-EXPORT_SYMBOL_GPL(match_trapped_io_handler);
static struct trapped_io *lookup_tiop(unsigned long address)
{
diff --git a/arch/sh/kernel/ioport.c b/arch/sh/kernel/ioport.c
index 34f8cdbbcf0b..f39446a658bd 100644
--- a/arch/sh/kernel/ioport.c
+++ b/arch/sh/kernel/ioport.c
@@ -7,6 +7,7 @@
*/
#include <linux/module.h>
#include <linux/io.h>
+#include <asm/io_trapped.h>
unsigned long sh_io_port_base __read_mostly = -1;
EXPORT_SYMBOL(sh_io_port_base);
diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c
index 76bd8955d4fe..d606679a211e 100644
--- a/arch/sh/kernel/machvec.c
+++ b/arch/sh/kernel/machvec.c
@@ -65,10 +65,10 @@ static int __init early_parse_mv(char *from)
mvp = get_mv_byname(mv_name);
if (unlikely(!mvp)) {
- printk("Available vectors:\n\n\t'%s', ", sh_mv.mv_name);
+ pr_info("Available vectors:\n\n\t'%s', ", sh_mv.mv_name);
for_each_mv(mvp)
- printk("'%s', ", mvp->mv_name);
- printk("\n\n");
+ pr_cont("'%s', ", mvp->mv_name);
+ pr_cont("\n\n");
panic("Failed to select machvec '%s' -- halting.\n",
mv_name);
} else
@@ -105,7 +105,7 @@ void __init sh_mv_setup(void)
sh_mv = *(struct sh_machine_vector *)&__machvec_start;
}
- printk(KERN_NOTICE "Booting machvec: %s\n", get_system_type());
+ pr_notice("Booting machvec: %s\n", get_system_type());
/*
* Manually walk the vec, fill in anything that the board hasn't yet
diff --git a/arch/sh/kernel/perf_callchain.c b/arch/sh/kernel/perf_callchain.c
index 6281f2fdf9ca..c9d3aa18732d 100644
--- a/arch/sh/kernel/perf_callchain.c
+++ b/arch/sh/kernel/perf_callchain.c
@@ -11,11 +11,6 @@
#include <asm/unwinder.h>
#include <asm/ptrace.h>
-static int callchain_stack(void *data, char *name)
-{
- return 0;
-}
-
static void callchain_address(void *data, unsigned long addr, int reliable)
{
struct perf_callchain_entry_ctx *entry = data;
@@ -25,7 +20,6 @@ static void callchain_address(void *data, unsigned long addr, int reliable)
}
static const struct stacktrace_ops callchain_ops = {
- .stack = callchain_stack,
.address = callchain_address,
};
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index a432c364b13a..80a5d1c66a51 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -30,34 +30,30 @@
void show_regs(struct pt_regs * regs)
{
- printk("\n");
+ pr_info("\n");
show_regs_print_info(KERN_DEFAULT);
- printk("PC is at %pS\n", (void *)instruction_pointer(regs));
- printk("PR is at %pS\n", (void *)regs->pr);
+ pr_info("PC is at %pS\n", (void *)instruction_pointer(regs));
+ pr_info("PR is at %pS\n", (void *)regs->pr);
- printk("PC : %08lx SP : %08lx SR : %08lx ",
- regs->pc, regs->regs[15], regs->sr);
+ pr_info("PC : %08lx SP : %08lx SR : %08lx ", regs->pc,
+ regs->regs[15], regs->sr);
#ifdef CONFIG_MMU
- printk("TEA : %08x\n", __raw_readl(MMU_TEA));
+ pr_cont("TEA : %08x\n", __raw_readl(MMU_TEA));
#else
- printk("\n");
+ pr_cont("\n");
#endif
- printk("R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n",
- regs->regs[0],regs->regs[1],
- regs->regs[2],regs->regs[3]);
- printk("R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n",
- regs->regs[4],regs->regs[5],
- regs->regs[6],regs->regs[7]);
- printk("R8 : %08lx R9 : %08lx R10 : %08lx R11 : %08lx\n",
- regs->regs[8],regs->regs[9],
- regs->regs[10],regs->regs[11]);
- printk("R12 : %08lx R13 : %08lx R14 : %08lx\n",
- regs->regs[12],regs->regs[13],
- regs->regs[14]);
- printk("MACH: %08lx MACL: %08lx GBR : %08lx PR : %08lx\n",
- regs->mach, regs->macl, regs->gbr, regs->pr);
+ pr_info("R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n",
+ regs->regs[0], regs->regs[1], regs->regs[2], regs->regs[3]);
+ pr_info("R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n",
+ regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);
+ pr_info("R8 : %08lx R9 : %08lx R10 : %08lx R11 : %08lx\n",
+ regs->regs[8], regs->regs[9], regs->regs[10], regs->regs[11]);
+ pr_info("R12 : %08lx R13 : %08lx R14 : %08lx\n",
+ regs->regs[12], regs->regs[13], regs->regs[14]);
+ pr_info("MACH: %08lx MACL: %08lx GBR : %08lx PR : %08lx\n",
+ regs->mach, regs->macl, regs->gbr, regs->pr);
show_trace(NULL, (unsigned long *)regs->regs[15], regs, KERN_DEFAULT);
show_code(regs);
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 609b7c917e6e..b05bf92f9c32 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -457,8 +457,6 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
{
long ret = 0;
- secure_computing_strict(regs->regs[0]);
-
if (test_thread_flag(TIF_SYSCALL_TRACE) &&
tracehook_report_syscall_entry(regs))
/*
@@ -468,6 +466,9 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
*/
ret = -1L;
+ if (secure_computing() == -1)
+ return -1;
+
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->regs[0]);
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 2950b19ad077..daf0b53ee066 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -15,11 +15,6 @@
#include <asm/ptrace.h>
#include <asm/stacktrace.h>
-static int save_stack_stack(void *data, char *name)
-{
- return 0;
-}
-
/*
* Save stack-backtrace addresses into a stack_trace buffer.
*/
@@ -40,7 +35,6 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
}
static const struct stacktrace_ops save_stack_ops = {
- .stack = save_stack_stack,
.address = save_stack_address,
};
@@ -73,7 +67,6 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable)
}
static const struct stacktrace_ops save_stack_ops_nosched = {
- .stack = save_stack_stack,
.address = save_stack_address_nosched,
};