Commit aad7fb91 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:
 "Some further ARM fixes:
   - another build fix for the kprobes test code
   - a fix for no kuser helpers for the set_tls code, which oopsed on
     noMMU hardware
   - a fix for alignment handler with neon opcodes being misinterpreted
   - turning off the hardware access support, which is not implemented
   - a build fix for the v7 coherency exiting code, which can be built
     in non-v7 environments (but still only executed on v7 CPUs)"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8179/1: kprobes-test: Fix compile error "bad immediate value for offset"
  ARM: 8178/1: fix set_tls for !CONFIG_KUSER_HELPERS
  ARM: 8177/1: cacheflush: Fix v7_exit_coherency_flush exynos build breakage on ARMv6
  ARM: 8165/1: alignment: don't break misaligned NEON load/store
  ARM: 8164/1: mm: clear SCTLR.HA instead of setting it for LPAE
parents fe82dcec ad684dce
......@@ -466,6 +466,7 @@ static inline void __sync_cache_range_r(volatile void *p, size_t size)
*/
#define v7_exit_coherency_flush(level) \
asm volatile( \
".arch armv7-a \n\t" \
"stmfd sp!, {fp, ip} \n\t" \
"mrc p15, 0, r0, c1, c0, 0 @ get SCTLR \n\t" \
"bic r0, r0, #"__stringify(CR_C)" \n\t" \
......
......@@ -81,6 +81,7 @@ static inline void set_tls(unsigned long val)
asm("mcr p15, 0, %0, c13, c0, 3"
: : "r" (val));
} else {
#ifdef CONFIG_KUSER_HELPERS
/*
* User space must never try to access this
* directly. Expect your app to break
......@@ -89,6 +90,7 @@ static inline void set_tls(unsigned long val)
* entry-armv.S for details)
*/
*((unsigned int *)0xffff0ff0) = val;
#endif
}
}
......
......@@ -110,10 +110,13 @@
*
* @ TESTCASE_START
* bl __kprobes_test_case_start
* @ start of inline data...
* .pushsection .rodata
* "10:
* .ascii "mov r0, r7" @ text title for test case
* .byte 0
* .align 2, 0
* .popsection
* @ start of inline data...
* .word 10b @ pointer to title in .rodata section
*
* @ TEST_ARG_REG
* .byte ARG_TYPE_REG
......@@ -971,7 +974,7 @@ void __naked __kprobes_test_case_start(void)
__asm__ __volatile__ (
"stmdb sp!, {r4-r11} \n\t"
"sub sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t"
"bic r0, lr, #1 @ r0 = inline title string \n\t"
"bic r0, lr, #1 @ r0 = inline data \n\t"
"mov r1, sp \n\t"
"bl kprobes_test_case_start \n\t"
"bx r0 \n\t"
......@@ -1349,15 +1352,14 @@ static unsigned long next_instruction(unsigned long pc)
return pc + 4;
}
static uintptr_t __used kprobes_test_case_start(const char *title, void *stack)
static uintptr_t __used kprobes_test_case_start(const char **title, void *stack)
{
struct test_arg *args;
struct test_arg_end *end_arg;
unsigned long test_code;
args = (struct test_arg *)PTR_ALIGN(title + strlen(title) + 1, 4);
current_title = title;
current_title = *title++;
args = (struct test_arg *)title;
current_args = args;
current_stack = stack;
......
......@@ -111,11 +111,14 @@ struct test_arg_end {
#define TESTCASE_START(title) \
__asm__ __volatile__ ( \
"bl __kprobes_test_case_start \n\t" \
".pushsection .rodata \n\t" \
"10: \n\t" \
/* don't use .asciz here as 'title' may be */ \
/* multiple strings to be concatenated. */ \
".ascii "#title" \n\t" \
".byte 0 \n\t" \
".align 2, 0 \n\t"
".popsection \n\t" \
".word 10b \n\t"
#define TEST_ARG_REG(reg, val) \
".byte "__stringify(ARG_TYPE_REG)" \n\t" \
......
......@@ -41,6 +41,7 @@
* This code is not portable to processors with late data abort handling.
*/
#define CODING_BITS(i) (i & 0x0e000000)
#define COND_BITS(i) (i & 0xf0000000)
#define LDST_I_BIT(i) (i & (1 << 26)) /* Immediate constant */
#define LDST_P_BIT(i) (i & (1 << 24)) /* Preindex */
......@@ -821,6 +822,8 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
break;
case 0x04000000: /* ldr or str immediate */
if (COND_BITS(instr) == 0xf0000000) /* NEON VLDn, VSTn */
goto bad;
offset.un = OFFSET_BITS(instr);
handler = do_alignment_ldrstr;
break;
......
......@@ -157,9 +157,9 @@ ENDPROC(cpu_v7_set_pte_ext)
* TFR EV X F IHD LR S
* .EEE ..EE PUI. .TAT 4RVI ZWRS BLDP WCAM
* rxxx rrxx xxx0 0101 xxxx xxxx x111 xxxx < forced
* 11 0 110 1 0011 1100 .111 1101 < we want
* 11 0 110 0 0011 1100 .111 1101 < we want
*/
.align 2
.type v7_crval, #object
v7_crval:
crval clear=0x0120c302, mmuset=0x30c23c7d, ucset=0x00c01c7c
crval clear=0x0122c302, mmuset=0x30c03c7d, ucset=0x00c01c7c
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