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-rw-r--r--arch/xtensa/Kconfig2
-rw-r--r--arch/xtensa/Makefile2
-rw-r--r--arch/xtensa/configs/audio_kc705_defconfig2
-rw-r--r--arch/xtensa/configs/cadence_csp_defconfig2
-rw-r--r--arch/xtensa/configs/generic_kc705_defconfig2
-rw-r--r--arch/xtensa/configs/nommu_kc705_defconfig2
-rw-r--r--arch/xtensa/configs/smp_lx200_defconfig2
-rw-r--r--arch/xtensa/configs/virt_defconfig2
-rw-r--r--arch/xtensa/configs/xip_kc705_defconfig2
-rw-r--r--arch/xtensa/include/asm/elf.h24
-rw-r--r--arch/xtensa/include/asm/processor.h6
-rw-r--r--arch/xtensa/include/asm/stackprotector.h9
-rw-r--r--arch/xtensa/include/uapi/asm/mman.h2
-rw-r--r--arch/xtensa/include/uapi/asm/ptrace.h4
-rw-r--r--arch/xtensa/kernel/Makefile4
-rw-r--r--arch/xtensa/kernel/syscall.c18
16 files changed, 52 insertions, 33 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 12ac277282ba..bcb0c5d2abc2 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -771,7 +771,7 @@ config HIGHMEM
If unsure, say Y.
-config FORCE_MAX_ZONEORDER
+config ARCH_FORCE_MAX_ORDER
int "Maximum zone order"
default "11"
help
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 5097caa7bf0c..bfd8e433ed62 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -55,8 +55,6 @@ KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
KBUILD_DEFCONFIG := iss_defconfig
-head-y := arch/xtensa/kernel/head.o
-
libs-y += arch/xtensa/lib/
boot := arch/xtensa/boot
diff --git a/arch/xtensa/configs/audio_kc705_defconfig b/arch/xtensa/configs/audio_kc705_defconfig
index f09bbd6ea0a2..436b7cac9694 100644
--- a/arch/xtensa/configs/audio_kc705_defconfig
+++ b/arch/xtensa/configs/audio_kc705_defconfig
@@ -120,7 +120,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_LOCKUP_DETECTOR=y
# CONFIG_SCHED_DEBUG is not set
diff --git a/arch/xtensa/configs/cadence_csp_defconfig b/arch/xtensa/configs/cadence_csp_defconfig
index a5e029bca7cc..8c66b9307f34 100644
--- a/arch/xtensa/configs/cadence_csp_defconfig
+++ b/arch/xtensa/configs/cadence_csp_defconfig
@@ -97,7 +97,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_LOCKUP_DETECTOR=y
# CONFIG_SCHED_DEBUG is not set
diff --git a/arch/xtensa/configs/generic_kc705_defconfig b/arch/xtensa/configs/generic_kc705_defconfig
index 45fb181eaebd..e376238bc5ca 100644
--- a/arch/xtensa/configs/generic_kc705_defconfig
+++ b/arch/xtensa/configs/generic_kc705_defconfig
@@ -107,7 +107,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_LOCKUP_DETECTOR=y
# CONFIG_SCHED_DEBUG is not set
diff --git a/arch/xtensa/configs/nommu_kc705_defconfig b/arch/xtensa/configs/nommu_kc705_defconfig
index c97c856076b0..c2ab4306ee20 100644
--- a/arch/xtensa/configs/nommu_kc705_defconfig
+++ b/arch/xtensa/configs/nommu_kc705_defconfig
@@ -105,7 +105,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
# CONFIG_FRAME_POINTER is not set
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_VM=y
diff --git a/arch/xtensa/configs/smp_lx200_defconfig b/arch/xtensa/configs/smp_lx200_defconfig
index d46459a67031..63b56ce79f83 100644
--- a/arch/xtensa/configs/smp_lx200_defconfig
+++ b/arch/xtensa/configs/smp_lx200_defconfig
@@ -111,7 +111,7 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_VM=y
CONFIG_LOCKUP_DETECTOR=y
diff --git a/arch/xtensa/configs/virt_defconfig b/arch/xtensa/configs/virt_defconfig
index 6d1387dfa96f..98acb7191cb7 100644
--- a/arch/xtensa/configs/virt_defconfig
+++ b/arch/xtensa/configs/virt_defconfig
@@ -97,7 +97,7 @@ CONFIG_CRYPTO_DEV_VIRTIO=y
CONFIG_FONTS=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_SCHEDSTATS=y
diff --git a/arch/xtensa/configs/xip_kc705_defconfig b/arch/xtensa/configs/xip_kc705_defconfig
index f8492fe1223a..165652c45b85 100644
--- a/arch/xtensa/configs/xip_kc705_defconfig
+++ b/arch/xtensa/configs/xip_kc705_defconfig
@@ -101,7 +101,7 @@ CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_ANSI_CPRNG=y
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set
diff --git a/arch/xtensa/include/asm/elf.h b/arch/xtensa/include/asm/elf.h
index 909a6ab4f22b..ffcf1ada19c6 100644
--- a/arch/xtensa/include/asm/elf.h
+++ b/arch/xtensa/include/asm/elf.h
@@ -93,6 +93,10 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
#define elf_check_arch(x) ( ( (x)->e_machine == EM_XTENSA ) || \
( (x)->e_machine == EM_XTENSA_OLD ) )
+#define ELFOSABI_XTENSA_FDPIC 65
+#define elf_check_fdpic(x) ((x)->e_ident[EI_OSABI] == ELFOSABI_XTENSA_FDPIC)
+#define ELF_FDPIC_CORE_EFLAGS 0
+
/*
* These are used to set parameters in the core dumps.
*/
@@ -153,10 +157,22 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
*/
#define ELF_PLAT_INIT(_r, load_addr) \
- do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0; _r->areg[3]=0; \
- _r->areg[4]=0; _r->areg[5]=0; _r->areg[6]=0; _r->areg[7]=0; \
- _r->areg[8]=0; _r->areg[9]=0; _r->areg[10]=0; _r->areg[11]=0; \
- _r->areg[12]=0; _r->areg[13]=0; _r->areg[14]=0; _r->areg[15]=0; \
+ do { \
+ (_r)->areg[0] = 0; /*(_r)->areg[1] = 0;*/ \
+ (_r)->areg[2] = 0; (_r)->areg[3] = 0; \
+ (_r)->areg[4] = 0; (_r)->areg[5] = 0; \
+ (_r)->areg[6] = 0; (_r)->areg[7] = 0; \
+ (_r)->areg[8] = 0; (_r)->areg[9] = 0; \
+ (_r)->areg[10] = 0; (_r)->areg[11] = 0; \
+ (_r)->areg[12] = 0; (_r)->areg[13] = 0; \
+ (_r)->areg[14] = 0; (_r)->areg[15] = 0; \
+ } while (0)
+
+#define ELF_FDPIC_PLAT_INIT(_r, _exec_map_addr, _interp_map_addr, dynamic_addr) \
+ do { \
+ (_r)->areg[4] = _exec_map_addr; \
+ (_r)->areg[5] = _interp_map_addr; \
+ (_r)->areg[6] = dynamic_addr; \
} while (0)
typedef struct {
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index 76bc63127c66..228e4dff5fb2 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -205,9 +205,12 @@ struct thread_struct {
#define start_thread(regs, new_pc, new_sp) \
do { \
unsigned long syscall = (regs)->syscall; \
+ unsigned long current_aregs[16]; \
+ memcpy(current_aregs, (regs)->areg, sizeof(current_aregs)); \
memset((regs), 0, sizeof(*(regs))); \
(regs)->pc = (new_pc); \
(regs)->ps = USER_PS_VALUE; \
+ memcpy((regs)->areg, current_aregs, sizeof(current_aregs)); \
(regs)->areg[1] = (new_sp); \
(regs)->areg[0] = 0; \
(regs)->wmask = 1; \
@@ -221,9 +224,6 @@ struct thread_struct {
struct task_struct;
struct mm_struct;
-/* Free all resources held by a thread. */
-#define release_thread(thread) do { } while(0)
-
extern unsigned long __get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)
diff --git a/arch/xtensa/include/asm/stackprotector.h b/arch/xtensa/include/asm/stackprotector.h
index e368f94fd2af..dd10279a2378 100644
--- a/arch/xtensa/include/asm/stackprotector.h
+++ b/arch/xtensa/include/asm/stackprotector.h
@@ -14,9 +14,6 @@
#ifndef _ASM_STACKPROTECTOR_H
#define _ASM_STACKPROTECTOR_H 1
-#include <linux/random.h>
-#include <linux/version.h>
-
extern unsigned long __stack_chk_guard;
/*
@@ -27,11 +24,7 @@ extern unsigned long __stack_chk_guard;
*/
static __always_inline void boot_init_stack_canary(void)
{
- unsigned long canary;
-
- /* Try to get a semi random initial value. */
- get_random_bytes(&canary, sizeof(canary));
- canary ^= LINUX_VERSION_CODE;
+ unsigned long canary = get_random_canary();
current->stack_canary = canary;
__stack_chk_guard = current->stack_canary;
diff --git a/arch/xtensa/include/uapi/asm/mman.h b/arch/xtensa/include/uapi/asm/mman.h
index 7966a58af472..1ff0c858544f 100644
--- a/arch/xtensa/include/uapi/asm/mman.h
+++ b/arch/xtensa/include/uapi/asm/mman.h
@@ -111,6 +111,8 @@
#define MADV_DONTNEED_LOCKED 24 /* like DONTNEED, but drop locked pages too */
+#define MADV_COLLAPSE 25 /* Synchronous hugepage collapse */
+
/* compatibility flags */
#define MAP_FILE 0
diff --git a/arch/xtensa/include/uapi/asm/ptrace.h b/arch/xtensa/include/uapi/asm/ptrace.h
index 50db3e0a6341..9115e86ebc75 100644
--- a/arch/xtensa/include/uapi/asm/ptrace.h
+++ b/arch/xtensa/include/uapi/asm/ptrace.h
@@ -37,6 +37,10 @@
#define PTRACE_SETXTREGS 19
#define PTRACE_GETHBPREGS 20
#define PTRACE_SETHBPREGS 21
+#define PTRACE_GETFDPIC 22
+
+#define PTRACE_GETFDPIC_EXEC 0
+#define PTRACE_GETFDPIC_INTERP 1
#ifndef __ASSEMBLY__
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index 897c1c741058..f28b8e3d717e 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -3,9 +3,9 @@
# Makefile for the Linux/Xtensa kernel.
#
-extra-y := head.o vmlinux.lds
+extra-y := vmlinux.lds
-obj-y := align.o coprocessor.o entry.o irq.o platform.o process.o \
+obj-y := head.o align.o coprocessor.o entry.o irq.o platform.o process.o \
ptrace.o setup.o signal.o stacktrace.o syscall.o time.o traps.o \
vectors.o
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
index 201356faa7e6..b3c2450d6f23 100644
--- a/arch/xtensa/kernel/syscall.c
+++ b/arch/xtensa/kernel/syscall.c
@@ -58,6 +58,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct vm_area_struct *vmm;
+ struct vma_iterator vmi;
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
@@ -79,15 +80,20 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
else
addr = PAGE_ALIGN(addr);
- for (vmm = find_vma(current->mm, addr); ; vmm = vmm->vm_next) {
- /* At this point: (!vmm || addr < vmm->vm_end). */
- if (TASK_SIZE - len < addr)
- return -ENOMEM;
- if (!vmm || addr + len <= vm_start_gap(vmm))
- return addr;
+ vma_iter_init(&vmi, current->mm, addr);
+ for_each_vma(vmi, vmm) {
+ /* At this point: (addr < vmm->vm_end). */
+ if (addr + len <= vm_start_gap(vmm))
+ break;
+
addr = vmm->vm_end;
if (flags & MAP_SHARED)
addr = COLOUR_ALIGN(addr, pgoff);
}
+
+ if (TASK_SIZE - len < addr)
+ return -ENOMEM;
+
+ return addr;
}
#endif
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-22 03:06:10 +0300