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-rw-r--r--arch/tile/include/asm/elf.h1
-rw-r--r--arch/tile/include/asm/setup.h5
-rw-r--r--arch/tile/include/asm/thread_info.h27
-rw-r--r--arch/tile/include/uapi/asm/auxvec.h2
-rw-r--r--arch/tile/kernel/compat.c35
-rw-r--r--arch/tile/kernel/pci-dma.c28
-rw-r--r--arch/tile/kernel/ptrace.c11
-rw-r--r--arch/tile/kernel/sys.c13
-rw-r--r--arch/tile/kernel/vmlinux.lds.S12
-rw-r--r--arch/tile/lib/exports.c6
-rw-r--r--arch/tile/mm/fault.c2
-rw-r--r--arch/tile/mm/pgtable.c18
12 files changed, 87 insertions, 73 deletions
diff --git a/arch/tile/include/asm/elf.h b/arch/tile/include/asm/elf.h
index c505d77e4d06..e9d54a06736f 100644
--- a/arch/tile/include/asm/elf.h
+++ b/arch/tile/include/asm/elf.h
@@ -129,6 +129,7 @@ extern int dump_task_regs(struct task_struct *, elf_gregset_t *);
struct linux_binprm;
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
int executable_stack);
+/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
#define ARCH_DLINFO \
do { \
NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \
diff --git a/arch/tile/include/asm/setup.h b/arch/tile/include/asm/setup.h
index e98909033e5b..2a0347af0702 100644
--- a/arch/tile/include/asm/setup.h
+++ b/arch/tile/include/asm/setup.h
@@ -25,7 +25,12 @@
#define MAXMEM_PFN PFN_DOWN(MAXMEM)
int tile_console_write(const char *buf, int count);
+
+#ifdef CONFIG_EARLY_PRINTK
void early_panic(const char *fmt, ...);
+#else
+#define early_panic panic
+#endif
/* Init-time routine to do tile-specific per-cpu setup. */
void setup_cpu(int boot);
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index c1467ac59ce6..b7659b8f1117 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -166,32 +166,5 @@ extern void _cpu_idle(void);
#ifdef __tilegx__
#define TS_COMPAT 0x0001 /* 32-bit compatibility mode */
#endif
-#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal */
-
-#ifndef __ASSEMBLY__
-#define HAVE_SET_RESTORE_SIGMASK 1
-static inline void set_restore_sigmask(void)
-{
- struct thread_info *ti = current_thread_info();
- ti->status |= TS_RESTORE_SIGMASK;
- WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags));
-}
-static inline void clear_restore_sigmask(void)
-{
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-}
-static inline bool test_restore_sigmask(void)
-{
- return current_thread_info()->status & TS_RESTORE_SIGMASK;
-}
-static inline bool test_and_clear_restore_sigmask(void)
-{
- struct thread_info *ti = current_thread_info();
- if (!(ti->status & TS_RESTORE_SIGMASK))
- return false;
- ti->status &= ~TS_RESTORE_SIGMASK;
- return true;
-}
-#endif /* !__ASSEMBLY__ */
#endif /* _ASM_TILE_THREAD_INFO_H */
diff --git a/arch/tile/include/uapi/asm/auxvec.h b/arch/tile/include/uapi/asm/auxvec.h
index c93e92709f14..f497123ed980 100644
--- a/arch/tile/include/uapi/asm/auxvec.h
+++ b/arch/tile/include/uapi/asm/auxvec.h
@@ -18,4 +18,6 @@
/* The vDSO location. */
#define AT_SYSINFO_EHDR 33
+#define AT_VECTOR_SIZE_ARCH 1 /* entries in ARCH_DLINFO */
+
#endif /* _ASM_TILE_AUXVEC_H */
diff --git a/arch/tile/kernel/compat.c b/arch/tile/kernel/compat.c
index 49120843ff96..bdaf71d31a4a 100644
--- a/arch/tile/kernel/compat.c
+++ b/arch/tile/kernel/compat.c
@@ -23,42 +23,50 @@
#include <linux/uaccess.h>
#include <linux/signal.h>
#include <asm/syscalls.h>
+#include <asm/byteorder.h>
/*
* Syscalls that take 64-bit numbers traditionally take them in 32-bit
* "high" and "low" value parts on 32-bit architectures.
* In principle, one could imagine passing some register arguments as
* fully 64-bit on TILE-Gx in 32-bit mode, but it seems easier to
- * adapt the usual convention.
+ * adopt the usual convention.
*/
+#ifdef __BIG_ENDIAN
+#define SYSCALL_PAIR(name) u32, name ## _hi, u32, name ## _lo
+#else
+#define SYSCALL_PAIR(name) u32, name ## _lo, u32, name ## _hi
+#endif
+
COMPAT_SYSCALL_DEFINE4(truncate64, char __user *, filename, u32, dummy,
- u32, low, u32, high)
+ SYSCALL_PAIR(length))
{
- return sys_truncate(filename, ((loff_t)high << 32) | low);
+ return sys_truncate(filename, ((loff_t)length_hi << 32) | length_lo);
}
COMPAT_SYSCALL_DEFINE4(ftruncate64, unsigned int, fd, u32, dummy,
- u32, low, u32, high)
+ SYSCALL_PAIR(length))
{
- return sys_ftruncate(fd, ((loff_t)high << 32) | low);
+ return sys_ftruncate(fd, ((loff_t)length_hi << 32) | length_lo);
}
COMPAT_SYSCALL_DEFINE6(pread64, unsigned int, fd, char __user *, ubuf,
- size_t, count, u32, dummy, u32, low, u32, high)
+ size_t, count, u32, dummy, SYSCALL_PAIR(offset))
{
- return sys_pread64(fd, ubuf, count, ((loff_t)high << 32) | low);
+ return sys_pread64(fd, ubuf, count,
+ ((loff_t)offset_hi << 32) | offset_lo);
}
COMPAT_SYSCALL_DEFINE6(pwrite64, unsigned int, fd, char __user *, ubuf,
- size_t, count, u32, dummy, u32, low, u32, high)
+ size_t, count, u32, dummy, SYSCALL_PAIR(offset))
{
- return sys_pwrite64(fd, ubuf, count, ((loff_t)high << 32) | low);
+ return sys_pwrite64(fd, ubuf, count,
+ ((loff_t)offset_hi << 32) | offset_lo);
}
COMPAT_SYSCALL_DEFINE6(sync_file_range2, int, fd, unsigned int, flags,
- u32, offset_lo, u32, offset_hi,
- u32, nbytes_lo, u32, nbytes_hi)
+ SYSCALL_PAIR(offset), SYSCALL_PAIR(nbytes))
{
return sys_sync_file_range(fd, ((loff_t)offset_hi << 32) | offset_lo,
((loff_t)nbytes_hi << 32) | nbytes_lo,
@@ -66,8 +74,7 @@ COMPAT_SYSCALL_DEFINE6(sync_file_range2, int, fd, unsigned int, flags,
}
COMPAT_SYSCALL_DEFINE6(fallocate, int, fd, int, mode,
- u32, offset_lo, u32, offset_hi,
- u32, len_lo, u32, len_hi)
+ SYSCALL_PAIR(offset), SYSCALL_PAIR(len))
{
return sys_fallocate(fd, mode, ((loff_t)offset_hi << 32) | offset_lo,
((loff_t)len_hi << 32) | len_lo);
@@ -77,6 +84,8 @@ COMPAT_SYSCALL_DEFINE6(fallocate, int, fd, int, mode,
* Avoid bug in generic sys_llseek() that specifies offset_high and
* offset_low as "unsigned long", thus making it possible to pass
* a sign-extended high 32 bits in offset_low.
+ * Note that we do not use SYSCALL_PAIR here since glibc passes the
+ * high and low parts explicitly in that order.
*/
COMPAT_SYSCALL_DEFINE5(llseek, unsigned int, fd, unsigned int, offset_high,
unsigned int, offset_low, loff_t __user *, result,
diff --git a/arch/tile/kernel/pci-dma.c b/arch/tile/kernel/pci-dma.c
index b6bc0547a4f6..09bb774b39cd 100644
--- a/arch/tile/kernel/pci-dma.c
+++ b/arch/tile/kernel/pci-dma.c
@@ -34,7 +34,7 @@
static void *tile_dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
u64 dma_mask = (dev && dev->coherent_dma_mask) ?
dev->coherent_dma_mask : DMA_BIT_MASK(32);
@@ -78,7 +78,7 @@ static void *tile_dma_alloc_coherent(struct device *dev, size_t size,
*/
static void tile_dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
homecache_free_pages((unsigned long)vaddr, get_order(size));
}
@@ -202,7 +202,7 @@ static void __dma_complete_pa_range(dma_addr_t dma_addr, size_t size,
static int tile_dma_map_sg(struct device *dev, struct scatterlist *sglist,
int nents, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *sg;
int i;
@@ -224,7 +224,7 @@ static int tile_dma_map_sg(struct device *dev, struct scatterlist *sglist,
static void tile_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nents, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *sg;
int i;
@@ -240,7 +240,7 @@ static void tile_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
static dma_addr_t tile_dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
BUG_ON(!valid_dma_direction(direction));
@@ -252,7 +252,7 @@ static dma_addr_t tile_dma_map_page(struct device *dev, struct page *page,
static void tile_dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
BUG_ON(!valid_dma_direction(direction));
@@ -343,7 +343,7 @@ EXPORT_SYMBOL(tile_dma_map_ops);
static void *tile_pci_dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
int node = dev_to_node(dev);
int order = get_order(size);
@@ -368,14 +368,14 @@ static void *tile_pci_dma_alloc_coherent(struct device *dev, size_t size,
*/
static void tile_pci_dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
homecache_free_pages((unsigned long)vaddr, get_order(size));
}
static int tile_pci_dma_map_sg(struct device *dev, struct scatterlist *sglist,
int nents, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *sg;
int i;
@@ -400,7 +400,7 @@ static int tile_pci_dma_map_sg(struct device *dev, struct scatterlist *sglist,
static void tile_pci_dma_unmap_sg(struct device *dev,
struct scatterlist *sglist, int nents,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *sg;
int i;
@@ -416,7 +416,7 @@ static void tile_pci_dma_unmap_sg(struct device *dev,
static dma_addr_t tile_pci_dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
BUG_ON(!valid_dma_direction(direction));
@@ -429,7 +429,7 @@ static dma_addr_t tile_pci_dma_map_page(struct device *dev, struct page *page,
static void tile_pci_dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
BUG_ON(!valid_dma_direction(direction));
@@ -531,7 +531,7 @@ EXPORT_SYMBOL(gx_pci_dma_map_ops);
#ifdef CONFIG_SWIOTLB
static void *tile_swiotlb_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
gfp |= GFP_DMA;
return swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
@@ -539,7 +539,7 @@ static void *tile_swiotlb_alloc_coherent(struct device *dev, size_t size,
static void tile_swiotlb_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_addr,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
swiotlb_free_coherent(dev, size, vaddr, dma_addr);
}
diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c
index 54e7b723db99..d89b7011667c 100644
--- a/arch/tile/kernel/ptrace.c
+++ b/arch/tile/kernel/ptrace.c
@@ -255,14 +255,15 @@ int do_syscall_trace_enter(struct pt_regs *regs)
{
u32 work = ACCESS_ONCE(current_thread_info()->flags);
- if (secure_computing() == -1)
+ if ((work & _TIF_SYSCALL_TRACE) &&
+ tracehook_report_syscall_entry(regs)) {
+ regs->regs[TREG_SYSCALL_NR] = -1;
return -1;
-
- if (work & _TIF_SYSCALL_TRACE) {
- if (tracehook_report_syscall_entry(regs))
- regs->regs[TREG_SYSCALL_NR] = -1;
}
+ if (secure_computing(NULL) == -1)
+ return -1;
+
if (work & _TIF_SYSCALL_TRACEPOINT)
trace_sys_enter(regs, regs->regs[TREG_SYSCALL_NR]);
diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c
index 38debe706061..c7418dcbbb08 100644
--- a/arch/tile/kernel/sys.c
+++ b/arch/tile/kernel/sys.c
@@ -33,6 +33,7 @@
#include <asm/pgtable.h>
#include <asm/homecache.h>
#include <asm/cachectl.h>
+#include <asm/byteorder.h>
#include <arch/chip.h>
SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, len,
@@ -59,13 +60,19 @@ SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, len,
#if !defined(__tilegx__) || defined(CONFIG_COMPAT)
-ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count)
+#ifdef __BIG_ENDIAN
+#define SYSCALL_PAIR(name) u32 name ## _hi, u32 name ## _lo
+#else
+#define SYSCALL_PAIR(name) u32 name ## _lo, u32 name ## _hi
+#endif
+
+ssize_t sys32_readahead(int fd, SYSCALL_PAIR(offset), u32 count)
{
return sys_readahead(fd, ((loff_t)offset_hi << 32) | offset_lo, count);
}
-int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
- u32 len_lo, u32 len_hi, int advice)
+int sys32_fadvise64_64(int fd, SYSCALL_PAIR(offset),
+ SYSCALL_PAIR(len), int advice)
{
return sys_fadvise64_64(fd, ((loff_t)offset_hi << 32) | offset_lo,
((loff_t)len_hi << 32) | len_lo, advice);
diff --git a/arch/tile/kernel/vmlinux.lds.S b/arch/tile/kernel/vmlinux.lds.S
index 378f5d8d1ec8..9d449caf8910 100644
--- a/arch/tile/kernel/vmlinux.lds.S
+++ b/arch/tile/kernel/vmlinux.lds.S
@@ -60,6 +60,18 @@ SECTIONS
/* "Init" is divided into two areas with very different virtual addresses. */
INIT_TEXT_SECTION(PAGE_SIZE)
+ /*
+ * Some things, like the __jump_table, may contain symbol references
+ * to __exit text, so include such text in the final image if so.
+ * In that case we also override the _einittext from INIT_TEXT_SECTION.
+ */
+#ifdef CONFIG_JUMP_LABEL
+ .exit.text : {
+ EXIT_TEXT
+ _einittext = .;
+ }
+#endif
+
/* Now we skip back to PAGE_OFFSET for the data. */
. = (. - TEXT_OFFSET + PAGE_OFFSET);
#undef LOAD_OFFSET
diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c
index 9d171ca4302c..c5369fe643c7 100644
--- a/arch/tile/lib/exports.c
+++ b/arch/tile/lib/exports.c
@@ -77,7 +77,11 @@ uint64_t __umoddi3(uint64_t dividend, uint64_t divisor);
EXPORT_SYMBOL(__umoddi3);
int64_t __moddi3(int64_t dividend, int64_t divisor);
EXPORT_SYMBOL(__moddi3);
-#ifndef __tilegx__
+#ifdef __tilegx__
+typedef int TItype __attribute__((mode(TI)));
+TItype __multi3(TItype a, TItype b);
+EXPORT_SYMBOL(__multi3); /* required for gcc 7 and later */
+#else
int64_t __muldi3(int64_t, int64_t);
EXPORT_SYMBOL(__muldi3);
uint64_t __lshrdi3(uint64_t, unsigned int);
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 26734214818c..beba986589e5 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -434,7 +434,7 @@ good_area:
* make sure we exit gracefully rather than endlessly redo
* the fault.
*/
- fault = handle_mm_fault(mm, vma, address, flags);
+ fault = handle_mm_fault(vma, address, flags);
if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
return 0;
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c
index c4d5bf841a7f..7cc6ee7f1a58 100644
--- a/arch/tile/mm/pgtable.c
+++ b/arch/tile/mm/pgtable.c
@@ -45,20 +45,20 @@ void show_mem(unsigned int filter)
struct zone *zone;
pr_err("Active:%lu inactive:%lu dirty:%lu writeback:%lu unstable:%lu free:%lu\n slab:%lu mapped:%lu pagetables:%lu bounce:%lu pagecache:%lu swap:%lu\n",
- (global_page_state(NR_ACTIVE_ANON) +
- global_page_state(NR_ACTIVE_FILE)),
- (global_page_state(NR_INACTIVE_ANON) +
- global_page_state(NR_INACTIVE_FILE)),
- global_page_state(NR_FILE_DIRTY),
- global_page_state(NR_WRITEBACK),
- global_page_state(NR_UNSTABLE_NFS),
+ (global_node_page_state(NR_ACTIVE_ANON) +
+ global_node_page_state(NR_ACTIVE_FILE)),
+ (global_node_page_state(NR_INACTIVE_ANON) +
+ global_node_page_state(NR_INACTIVE_FILE)),
+ global_node_page_state(NR_FILE_DIRTY),
+ global_node_page_state(NR_WRITEBACK),
+ global_node_page_state(NR_UNSTABLE_NFS),
global_page_state(NR_FREE_PAGES),
(global_page_state(NR_SLAB_RECLAIMABLE) +
global_page_state(NR_SLAB_UNRECLAIMABLE)),
- global_page_state(NR_FILE_MAPPED),
+ global_node_page_state(NR_FILE_MAPPED),
global_page_state(NR_PAGETABLE),
global_page_state(NR_BOUNCE),
- global_page_state(NR_FILE_PAGES),
+ global_node_page_state(NR_FILE_PAGES),
get_nr_swap_pages());
for_each_zone(zone) {
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-13 10:32:30 +0300