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-rw-r--r--arch/parisc/kernel/cache.c10
-rw-r--r--arch/parisc/kernel/drivers.c5
-rw-r--r--arch/parisc/kernel/ftrace.c2
-rw-r--r--arch/parisc/kernel/processor.c8
-rw-r--r--arch/parisc/kernel/unaligned.c44
-rw-r--r--arch/parisc/kernel/unwind.c14
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S2
7 files changed, 41 insertions, 44 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 268d90a9325b..422f3e1e6d9c 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -58,7 +58,7 @@ int pa_serialize_tlb_flushes __ro_after_init;
struct pdc_cache_info cache_info __ro_after_init;
#ifndef CONFIG_PA20
-struct pdc_btlb_info btlb_info __ro_after_init;
+struct pdc_btlb_info btlb_info;
#endif
DEFINE_STATIC_KEY_TRUE(parisc_has_cache);
@@ -264,6 +264,10 @@ parisc_cache_init(void)
icache_stride = CAFL_STRIDE(cache_info.ic_conf);
#undef CAFL_STRIDE
+ /* stride needs to be non-zero, otherwise cache flushes will not work */
+ WARN_ON(cache_info.dc_size && dcache_stride == 0);
+ WARN_ON(cache_info.ic_size && icache_stride == 0);
+
if ((boot_cpu_data.pdc.capabilities & PDC_MODEL_NVA_MASK) ==
PDC_MODEL_NVA_UNSUPPORTED) {
printk(KERN_WARNING "parisc_cache_init: Only equivalent aliasing supported!\n");
@@ -850,7 +854,7 @@ SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes,
#endif
" fic,m %3(%4,%0)\n"
"2: sync\n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 2b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 2b, "%1")
: "+r" (start), "+r" (error)
: "r" (end), "r" (dcache_stride), "i" (SR_USER));
}
@@ -865,7 +869,7 @@ SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes,
#endif
" fdc,m %3(%4,%0)\n"
"2: sync\n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 2b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 2b, "%1")
: "+r" (start), "+r" (error)
: "r" (end), "r" (icache_stride), "i" (SR_USER));
}
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 25f9b9e9d6df..c7ff339732ba 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -742,7 +742,7 @@ parse_tree_node(struct device *parent, int index, struct hardware_path *modpath)
};
if (device_for_each_child(parent, &recurse_data, descend_children))
- { /* nothing */ };
+ { /* nothing */ }
return d.dev;
}
@@ -1004,6 +1004,9 @@ static __init int qemu_print_iodc_data(struct device *lin_dev, void *data)
pr_info("\n");
+ /* Prevent hung task messages when printing on serial console */
+ cond_resched();
+
pr_info("#define HPA_%08lx_DESCRIPTION \"%s\"\n",
hpa, parisc_hardware_description(&dev->id));
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index d1defb9ede70..621a4b386ae4 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -78,7 +78,7 @@ asmlinkage void notrace __hot ftrace_function_trampoline(unsigned long parent,
#endif
}
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_FUNCTION_GRAPH_TRACER)
int ftrace_enable_ftrace_graph_caller(void)
{
static_key_enable(&ftrace_graph_enable.key);
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index e95a977ba5f3..bf73562706b2 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -172,7 +172,6 @@ static int __init processor_probe(struct parisc_device *dev)
p->cpu_num = cpu_info.cpu_num;
p->cpu_loc = cpu_info.cpu_loc;
- set_cpu_possible(cpuid, true);
store_cpu_topology(cpuid);
#ifdef CONFIG_SMP
@@ -474,13 +473,6 @@ static struct parisc_driver cpu_driver __refdata = {
*/
void __init processor_init(void)
{
- unsigned int cpu;
-
reset_cpu_topology();
-
- /* reset possible mask. We will mark those which are possible. */
- for_each_possible_cpu(cpu)
- set_cpu_possible(cpu, false);
-
register_parisc_driver(&cpu_driver);
}
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index ce25acfe4889..c520e551a165 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -120,8 +120,8 @@ static int emulate_ldh(struct pt_regs *regs, int toreg)
"2: ldbs 1(%%sr1,%3), %0\n"
" depw %2, 23, 24, %0\n"
"3: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b, "%1")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b, "%1")
: "+r" (val), "+r" (ret), "=&r" (temp1)
: "r" (saddr), "r" (regs->isr) );
@@ -152,8 +152,8 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop)
" mtctl %2,11\n"
" vshd %0,%3,%0\n"
"3: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b, "%1")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b, "%1")
: "+r" (val), "+r" (ret), "=&r" (temp1), "=&r" (temp2)
: "r" (saddr), "r" (regs->isr) );
@@ -189,8 +189,8 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
" mtsar %%r19\n"
" shrpd %0,%%r20,%%sar,%0\n"
"3: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b, "%1")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b, "%1")
: "=r" (val), "+r" (ret)
: "0" (val), "r" (saddr), "r" (regs->isr)
: "r19", "r20" );
@@ -209,9 +209,9 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)
" vshd %0,%R0,%0\n"
" vshd %R0,%4,%R0\n"
"4: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 4b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 4b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(3b, 4b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 4b, "%1")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 4b, "%1")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(3b, 4b, "%1")
: "+r" (val), "+r" (ret), "+r" (saddr), "=&r" (shift), "=&r" (temp1)
: "r" (regs->isr) );
}
@@ -244,8 +244,8 @@ static int emulate_sth(struct pt_regs *regs, int frreg)
"1: stb %1, 0(%%sr1, %3)\n"
"2: stb %2, 1(%%sr1, %3)\n"
"3: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b, "%0")
: "+r" (ret), "=&r" (temp1)
: "r" (val), "r" (regs->ior), "r" (regs->isr) );
@@ -285,8 +285,8 @@ static int emulate_stw(struct pt_regs *regs, int frreg, int flop)
" stw %%r20,0(%%sr1,%2)\n"
" stw %%r21,4(%%sr1,%2)\n"
"3: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b, "%0")
: "+r" (ret)
: "r" (val), "r" (regs->ior), "r" (regs->isr)
: "r19", "r20", "r21", "r22", "r1" );
@@ -329,10 +329,10 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
"3: std %%r20,0(%%sr1,%2)\n"
"4: std %%r21,8(%%sr1,%2)\n"
"5: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 5b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 5b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(3b, 5b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(4b, 5b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 5b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 5b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(3b, 5b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(4b, 5b, "%0")
: "+r" (ret)
: "r" (val), "r" (regs->ior), "r" (regs->isr)
: "r19", "r20", "r21", "r22", "r1" );
@@ -357,11 +357,11 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
"4: stw %%r1,4(%%sr1,%2)\n"
"5: stw %R1,8(%%sr1,%2)\n"
"6: \n"
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 6b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 6b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(3b, 6b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(4b, 6b)
- ASM_EXCEPTIONTABLE_ENTRY_EFAULT(5b, 6b)
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 6b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 6b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(3b, 6b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(4b, 6b, "%0")
+ ASM_EXCEPTIONTABLE_ENTRY_EFAULT(5b, 6b, "%0")
: "+r" (ret)
: "r" (val), "r" (regs->ior), "r" (regs->isr)
: "r19", "r20", "r21", "r1" );
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 27ae40a443b8..f7e0fee5ee55 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -228,10 +228,8 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
#ifdef CONFIG_IRQSTACKS
extern void * const _call_on_stack;
#endif /* CONFIG_IRQSTACKS */
- void *ptr;
- ptr = dereference_kernel_function_descriptor(&handle_interruption);
- if (pc_is_kernel_fn(pc, ptr)) {
+ if (pc_is_kernel_fn(pc, handle_interruption)) {
struct pt_regs *regs = (struct pt_regs *)(info->sp - frame_size - PT_SZ_ALGN);
dbg("Unwinding through handle_interruption()\n");
info->prev_sp = regs->gr[30];
@@ -239,13 +237,13 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
return 1;
}
- if (pc_is_kernel_fn(pc, ret_from_kernel_thread) ||
- pc_is_kernel_fn(pc, syscall_exit)) {
+ if (pc == (unsigned long)&ret_from_kernel_thread ||
+ pc == (unsigned long)&syscall_exit) {
info->prev_sp = info->prev_ip = 0;
return 1;
}
- if (pc_is_kernel_fn(pc, intr_return)) {
+ if (pc == (unsigned long)&intr_return) {
struct pt_regs *regs;
dbg("Found intr_return()\n");
@@ -257,14 +255,14 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int
}
if (pc_is_kernel_fn(pc, _switch_to) ||
- pc_is_kernel_fn(pc, _switch_to_ret)) {
+ pc == (unsigned long)&_switch_to_ret) {
info->prev_sp = info->sp - CALLEE_SAVE_FRAME_SIZE;
info->prev_ip = *(unsigned long *)(info->prev_sp - RP_OFFSET);
return 1;
}
#ifdef CONFIG_IRQSTACKS
- if (pc_is_kernel_fn(pc, _call_on_stack)) {
+ if (pc == (unsigned long)&_call_on_stack) {
info->prev_sp = *(unsigned long *)(info->sp - FRAME_SIZE - REG_SZ);
info->prev_ip = *(unsigned long *)(info->sp - FRAME_SIZE - RP_OFFSET);
return 1;
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 548051b0b4af..b445e47903cf 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -127,7 +127,7 @@ SECTIONS
}
#endif
- RO_DATA(8)
+ RO_DATA(PAGE_SIZE)
/* unwind info */
. = ALIGN(4);
generated by cgit (git 2.34.1) at 2025-04-21 10:56:19 +0000