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-rw-r--r--arch/avr32/configs/atstk1002_defconfig39
-rw-r--r--arch/avr32/kernel/avr32_ksyms.c1
-rw-r--r--arch/i386/kernel/entry.S4
-rw-r--r--arch/i386/kernel/sysenter.c14
-rw-r--r--arch/mips/Makefile2
-rw-r--r--arch/mips/dec/prom/memory.c2
-rw-r--r--arch/mips/kernel/smtc.c10
-rw-r--r--arch/mips/kernel/vpe.c9
-rw-r--r--arch/mips/mm/init.c3
-rw-r--r--arch/powerpc/Kconfig6
-rw-r--r--arch/powerpc/kernel/pci_64.c2
-rw-r--r--arch/powerpc/kernel/vdso.c7
-rw-r--r--arch/powerpc/platforms/ps3/Makefile3
-rw-r--r--arch/powerpc/platforms/ps3/interrupt.c2
-rw-r--r--arch/sparc64/kernel/sun4v_tlb_miss.S4
-rw-r--r--arch/um/Kconfig.i38634
-rw-r--r--arch/x86_64/ia32/ia32_binfmt.c49
-rw-r--r--arch/x86_64/ia32/syscall32.c15
18 files changed, 108 insertions, 98 deletions
diff --git a/arch/avr32/configs/atstk1002_defconfig b/arch/avr32/configs/atstk1002_defconfig
index ae92a14ef9a..77dace9d54b 100644
--- a/arch/avr32/configs/atstk1002_defconfig
+++ b/arch/avr32/configs/atstk1002_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19-rc2
-# Fri Oct 20 11:52:37 2006
+# Linux kernel version: 2.6.20-rc6
+# Fri Jan 26 13:12:59 2007
#
CONFIG_AVR32=y
CONFIG_GENERIC_HARDIRQS=y
@@ -9,6 +9,8 @@ CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_TIME=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -36,6 +38,7 @@ CONFIG_TASK_DELAY_ACCT=y
# CONFIG_UTS_NS is not set
CONFIG_AUDIT=y
# CONFIG_IKCONFIG is not set
+CONFIG_SYSFS_DEPRECATED=y
CONFIG_RELAY=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -75,7 +78,9 @@ CONFIG_MODULE_UNLOAD=y
# Block layer
#
CONFIG_BLOCK=y
+# CONFIG_LBD is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
#
# IO Schedulers
@@ -125,6 +130,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_OWNERSHIP_TRACE is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
CONFIG_CMDLINE=""
@@ -182,6 +188,7 @@ CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
@@ -260,6 +267,7 @@ CONFIG_MTD_CMDLINE_PARTS=y
# User Modules And Translation Layers
#
CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
CONFIG_MTD_BLOCK=y
# CONFIG_FTL is not set
# CONFIG_NFTL is not set
@@ -355,7 +363,6 @@ CONFIG_BLK_DEV_INITRD=y
#
# Misc devices
#
-# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
#
@@ -405,11 +412,14 @@ CONFIG_TUN=m
#
# PHY device support
#
+# CONFIG_PHYLIB is not set
#
# Ethernet (10 or 100Mbit)
#
-# CONFIG_NET_ETHERNET is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_MACB=y
#
# Ethernet (1000 Mbit)
@@ -505,10 +515,6 @@ CONFIG_UNIX98_PTYS=y
# CONFIG_GEN_RTC is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
-
-#
-# Ftape, the floppy tape device driver
-#
# CONFIG_RAW_DRIVER is not set
#
@@ -621,6 +627,10 @@ CONFIG_UNIX98_PTYS=y
#
#
+# Virtualization
+#
+
+#
# File systems
#
CONFIG_EXT2_FS=m
@@ -683,7 +693,6 @@ CONFIG_CONFIGFS_FS=m
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
-# CONFIG_JFFS_FS is not set
CONFIG_JFFS2_FS=y
CONFIG_JFFS2_FS_DEBUG=0
CONFIG_JFFS2_FS_WRITEBUFFER=y
@@ -763,6 +772,11 @@ CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_UTF8=m
#
+# Distributed Lock Manager
+#
+# CONFIG_DLM is not set
+
+#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
@@ -770,6 +784,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_KERNEL=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_DETECT_SOFTLOCKUP=y
@@ -785,13 +801,10 @@ CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_INFO is not set
-CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_LIST is not set
CONFIG_FRAME_POINTER=y
-# CONFIG_UNWIND_INFO is not set
CONFIG_FORCED_INLINING=y
-# CONFIG_HEADERS_CHECK is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_KPROBES is not set
@@ -809,6 +822,7 @@ CONFIG_FORCED_INLINING=y
#
# Library routines
#
+CONFIG_BITREVERSE=y
CONFIG_CRC_CCITT=m
# CONFIG_CRC16 is not set
CONFIG_CRC32=y
@@ -817,3 +831,4 @@ CONFIG_AUDIT_GENERIC=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_PLIST=y
+CONFIG_IOMAP_COPY=y
diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c
index 7c4c76114bb..80f55f8dbf1 100644
--- a/arch/avr32/kernel/avr32_ksyms.c
+++ b/arch/avr32/kernel/avr32_ksyms.c
@@ -29,6 +29,7 @@ EXPORT_SYMBOL(__avr32_asr64);
*/
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
+EXPORT_SYMBOL(clear_page);
/*
* Userspace access stuff.
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 06461b8b715..5e47683fc63 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -302,12 +302,16 @@ sysenter_past_esp:
pushl $(__USER_CS)
CFI_ADJUST_CFA_OFFSET 4
/*CFI_REL_OFFSET cs, 0*/
+#ifndef CONFIG_COMPAT_VDSO
/*
* Push current_thread_info()->sysenter_return to the stack.
* A tiny bit of offset fixup is necessary - 4*4 means the 4 words
* pushed above; +8 corresponds to copy_thread's esp0 setting.
*/
pushl (TI_sysenter_return-THREAD_SIZE+8+4*4)(%esp)
+#else
+ pushl $SYSENTER_RETURN
+#endif
CFI_ADJUST_CFA_OFFSET 4
CFI_REL_OFFSET eip, 0
diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c
index 7de9117b5a3..5da744204d1 100644
--- a/arch/i386/kernel/sysenter.c
+++ b/arch/i386/kernel/sysenter.c
@@ -79,11 +79,6 @@ int __init sysenter_setup(void)
#ifdef CONFIG_COMPAT_VDSO
__set_fixmap(FIX_VDSO, __pa(syscall_page), PAGE_READONLY);
printk("Compat vDSO mapped to %08lx.\n", __fix_to_virt(FIX_VDSO));
-#else
- /*
- * In the non-compat case the ELF coredumping code needs the fixmap:
- */
- __set_fixmap(FIX_VDSO, __pa(syscall_page), PAGE_KERNEL_RO);
#endif
if (!boot_cpu_has(X86_FEATURE_SEP)) {
@@ -100,6 +95,7 @@ int __init sysenter_setup(void)
return 0;
}
+#ifndef CONFIG_COMPAT_VDSO
static struct page *syscall_nopage(struct vm_area_struct *vma,
unsigned long adr, int *type)
{
@@ -146,6 +142,13 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack)
vma->vm_end = addr + PAGE_SIZE;
/* MAYWRITE to allow gdb to COW and set breakpoints */
vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE;
+ /*
+ * Make sure the vDSO gets into every core dump.
+ * Dumping its contents makes post-mortem fully interpretable later
+ * without matching up the same kernel and hardware config to see
+ * what PC values meant.
+ */
+ vma->vm_flags |= VM_ALWAYSDUMP;
vma->vm_flags |= mm->def_flags;
vma->vm_page_prot = protection_map[vma->vm_flags & 7];
vma->vm_ops = &syscall_vm_ops;
@@ -187,3 +190,4 @@ int in_gate_area_no_task(unsigned long addr)
{
return 0;
}
+#endif
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index d1b026a0337..c68b5d3e5d1 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -623,7 +623,7 @@ LDFLAGS += -m $(ld-emul)
ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(CFLAGS) -dM -E -xc /dev/null | \
- egrep -vw '__GNUC_(MAJOR|MINOR|PATCHLEVEL)__' | \
+ egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
ifdef CONFIG_64BIT
CHECKFLAGS += -m64
diff --git a/arch/mips/dec/prom/memory.c b/arch/mips/dec/prom/memory.c
index 3027ce78279..3aa01d268f2 100644
--- a/arch/mips/dec/prom/memory.c
+++ b/arch/mips/dec/prom/memory.c
@@ -122,7 +122,7 @@ unsigned long __init prom_free_prom_memory(void)
addr += PAGE_SIZE;
}
- printk("Freeing unused PROM memory: %ldk freed\n",
+ printk("Freeing unused PROM memory: %ldkb freed\n",
(end - PAGE_SIZE) >> 10);
return end - PAGE_SIZE;
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 44238ab2fc9..6a857bf030b 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -4,6 +4,7 @@
#include <linux/sched.h>
#include <linux/cpumask.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
#include <asm/cpu.h>
#include <asm/processor.h>
@@ -270,9 +271,12 @@ void smtc_configure_tlb(void)
* of their initialization in smtc_cpu_setup().
*/
- tlbsiz = tlbsiz & 0x3f; /* MIPS32 limits TLB indices to 64 */
- cpu_data[0].tlbsize = tlbsiz;
+ /* MIPS32 limits TLB indices to 64 */
+ if (tlbsiz > 64)
+ tlbsiz = 64;
+ cpu_data[0].tlbsize = current_cpu_data.tlbsize = tlbsiz;
smtc_status |= SMTC_TLB_SHARED;
+ local_flush_tlb_all();
printk("TLB of %d entry pairs shared by %d VPEs\n",
tlbsiz, vpes);
@@ -1044,6 +1048,8 @@ void smtc_ipi_replay(void)
}
}
+EXPORT_SYMBOL(smtc_ipi_replay);
+
void smtc_idle_loop_hook(void)
{
#ifdef SMTC_IDLE_HOOK_DEBUG
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 666bef484dc..458fccf87c5 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -139,13 +139,16 @@ struct tc {
struct list_head list;
};
-struct vpecontrol_ {
+struct {
/* Virtual processing elements */
struct list_head vpe_list;
/* Thread contexts */
struct list_head tc_list;
-} vpecontrol;
+} vpecontrol = {
+ .vpe_list = LIST_HEAD_INIT(vpecontrol.vpe_list),
+ .tc_list = LIST_HEAD_INIT(vpecontrol.tc_list)
+};
static void release_progmem(void *ptr);
/* static __attribute_used__ void dump_vpe(struct vpe * v); */
@@ -1388,8 +1391,6 @@ static int __init vpe_module_init(void)
/* dump_mtregs(); */
- INIT_LIST_HEAD(&vpecontrol.vpe_list);
- INIT_LIST_HEAD(&vpecontrol.tc_list);
val = read_c0_mvpconf0();
for (i = 0; i < ((val & MVPCONF0_PTC) + 1); i++) {
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 30245c09d02..49065c133eb 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -501,7 +501,8 @@ void free_initmem(void)
freed = prom_free_prom_memory();
if (freed)
- printk(KERN_INFO "Freeing firmware memory: %ldk freed\n",freed);
+ printk(KERN_INFO "Freeing firmware memory: %ldkb freed\n",
+ freed >> 10);
free_init_pages("unused kernel memory",
__pa_symbol(&__init_begin),
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 0855d55c194..d6abe495c6b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -484,6 +484,7 @@ config PPC_MAPLE
select PPC_970_NAP
select PPC_NATIVE
select PPC_RTAS
+ select ATA_NONSTANDARD if ATA
default n
help
This option enables support for the Maple 970FX Evaluation Board.
@@ -525,12 +526,15 @@ config PPC_IBM_CELL_BLADE
select UDBG_RTAS_CONSOLE
config PPC_PS3
- bool "Sony PS3"
+ bool "Sony PS3 (incomplete)"
depends on PPC_MULTIPLATFORM && PPC64
select PPC_CELL
help
This option enables support for the Sony PS3 game console
and other platforms using the PS3 hypervisor.
+ Support for this platform is not yet complete, so
+ enabling this will not result in a bootable kernel on a
+ PS3 system.
config PPC_NATIVE
bool
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 73c59ec4912..01f18c68340 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -1430,7 +1430,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
for (ln = pci_root_buses.next; ln != &pci_root_buses; ln = ln->next) {
bus = pci_bus_b(ln);
- if (in_bus >= bus->number && in_bus < (bus->number + bus->subordinate))
+ if (in_bus >= bus->number && in_bus <= bus->subordinate)
break;
bus = NULL;
}
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index a4b28c73bba..ae0ede19879 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -284,6 +284,13 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
* pages though
*/
vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC;
+ /*
+ * Make sure the vDSO gets into every core dump.
+ * Dumping its contents makes post-mortem fully interpretable later
+ * without matching up the same kernel and hardware config to see
+ * what PC values meant.
+ */
+ vma->vm_flags |= VM_ALWAYSDUMP;
vma->vm_flags |= mm->def_flags;
vma->vm_page_prot = protection_map[vma->vm_flags & 0x7];
vma->vm_ops = &vdso_vmops;
diff --git a/arch/powerpc/platforms/ps3/Makefile b/arch/powerpc/platforms/ps3/Makefile
index 3757cfabc8c..1994904f580 100644
--- a/arch/powerpc/platforms/ps3/Makefile
+++ b/arch/powerpc/platforms/ps3/Makefile
@@ -1,4 +1,5 @@
-obj-y += setup.o mm.o smp.o time.o hvcall.o htab.o repository.o
+obj-y += setup.o mm.o time.o hvcall.o htab.o repository.o
obj-y += interrupt.o exports.o os-area.o
+obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_SPU_BASE) += spu.o
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 056c1e4141b..6f5de438b98 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -71,7 +71,7 @@ int ps3_free_io_irq(unsigned int virq)
result = lv1_destruct_io_irq_outlet(virq_to_hw(virq));
- if (!result)
+ if (result)
pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n",
__func__, __LINE__, ps3_result(result));
diff --git a/arch/sparc64/kernel/sun4v_tlb_miss.S b/arch/sparc64/kernel/sun4v_tlb_miss.S
index b731881224e..9871dbb1ab4 100644
--- a/arch/sparc64/kernel/sun4v_tlb_miss.S
+++ b/arch/sparc64/kernel/sun4v_tlb_miss.S
@@ -142,9 +142,9 @@ sun4v_dtlb_prot:
rdpr %tl, %g1
cmp %g1, 1
bgu,pn %xcc, winfix_trampoline
- nop
- ba,pt %xcc, sparc64_realfault_common
mov FAULT_CODE_DTLB | FAULT_CODE_WRITE, %g4
+ ba,pt %xcc, sparc64_realfault_common
+ nop
/* Called from trap table:
* %g4: vaddr
diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index f191a550a07..77558a88a2f 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -19,22 +19,22 @@ config SEMAPHORE_SLEEPERS
choice
prompt "Host memory split"
default HOST_VMSPLIT_3G
- ---help---
- This is needed when the host kernel on which you run has a non-default
- (like 2G/2G) memory split, instead of the customary 3G/1G. If you did
- not recompile your own kernel but use the default distro's one, you can
- safely accept the "Default split" option.
+ help
+ This is needed when the host kernel on which you run has a non-default
+ (like 2G/2G) memory split, instead of the customary 3G/1G. If you did
+ not recompile your own kernel but use the default distro's one, you can
+ safely accept the "Default split" option.
- It can be enabled on recent (>=2.6.16-rc2) vanilla kernels via
- CONFIG_VM_SPLIT_*, or on previous kernels with special patches (-ck
- patchset by Con Kolivas, or other ones) - option names match closely the
- host CONFIG_VM_SPLIT_* ones.
+ It can be enabled on recent (>=2.6.16-rc2) vanilla kernels via
+ CONFIG_VM_SPLIT_*, or on previous kernels with special patches (-ck
+ patchset by Con Kolivas, or other ones) - option names match closely the
+ host CONFIG_VM_SPLIT_* ones.
- A lower setting (where 1G/3G is lowest and 3G/1G is higher) will
- tolerate even more "normal" host kernels, but an higher setting will be
- stricter.
+ A lower setting (where 1G/3G is lowest and 3G/1G is higher) will
+ tolerate even more "normal" host kernels, but an higher setting will be
+ stricter.
- So, if you do not know what to do here, say 'Default split'.
+ So, if you do not know what to do here, say 'Default split'.
config HOST_VMSPLIT_3G
bool "Default split (3G/1G user/kernel host split)"
@@ -67,13 +67,13 @@ config 3_LEVEL_PGTABLES
config STUB_CODE
hex
- default 0xbfffe000 if !HOST_2G_2G
- default 0x7fffe000 if HOST_2G_2G
+ default 0xbfffe000 if !HOST_VMSPLIT_2G
+ default 0x7fffe000 if HOST_VMSPLIT_2G
config STUB_DATA
hex
- default 0xbffff000 if !HOST_2G_2G
- default 0x7ffff000 if HOST_2G_2G
+ default 0xbffff000 if !HOST_VMSPLIT_2G
+ default 0x7ffff000 if HOST_VMSPLIT_2G
config STUB_START
hex
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index 543ef4f405e..5ce0bd486bb 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -64,55 +64,6 @@ typedef unsigned int elf_greg_t;
#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-/*
- * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
- * extra segments containing the vsyscall DSO contents. Dumping its
- * contents makes post-mortem fully interpretable later without matching up
- * the same kernel and hardware config to see what PC values meant.
- * Dumping its extra ELF program headers includes all the other information
- * a debugger needs to easily find how the vsyscall DSO was being used.
- */
-#define ELF_CORE_EXTRA_PHDRS (find_vma(current->mm, VSYSCALL32_BASE) ? \
- (VSYSCALL32_EHDR->e_phnum) : 0)
-#define ELF_CORE_WRITE_EXTRA_PHDRS \
-do { \
- if (find_vma(current->mm, VSYSCALL32_BASE)) { \
- const struct elf32_phdr *const vsyscall_phdrs = \
- (const struct elf32_phdr *) (VSYSCALL32_BASE \
- + VSYSCALL32_EHDR->e_phoff);\
- int i; \
- Elf32_Off ofs = 0; \
- for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) { \
- struct elf32_phdr phdr = vsyscall_phdrs[i]; \
- if (phdr.p_type == PT_LOAD) { \
- BUG_ON(ofs != 0); \
- ofs = phdr.p_offset = offset; \
- phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz); \
- phdr.p_filesz = phdr.p_memsz; \
- offset += phdr.p_filesz; \
- } \
- else \
- phdr.p_offset += ofs; \
- phdr.p_paddr = 0; /* match other core phdrs */ \
- DUMP_WRITE(&phdr, sizeof(phdr)); \
- } \
- } \
-} while (0)
-#define ELF_CORE_WRITE_EXTRA_DATA \
-do { \
- if (find_vma(current->mm, VSYSCALL32_BASE)) { \
- const struct elf32_phdr *const vsyscall_phdrs = \
- (const struct elf32_phdr *) (VSYSCALL32_BASE \
- + VSYSCALL32_EHDR->e_phoff); \
- int i; \
- for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) { \
- if (vsyscall_phdrs[i].p_type == PT_LOAD) \
- DUMP_WRITE((void *) (u64) vsyscall_phdrs[i].p_vaddr,\
- PAGE_ALIGN(vsyscall_phdrs[i].p_memsz)); \
- } \
- } \
-} while (0)
-
struct elf_siginfo
{
int si_signo; /* signal number */
diff --git a/arch/x86_64/ia32/syscall32.c b/arch/x86_64/ia32/syscall32.c
index 3e5ed20cba4..59f1fa15591 100644
--- a/arch/x86_64/ia32/syscall32.c
+++ b/arch/x86_64/ia32/syscall32.c
@@ -59,6 +59,13 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
vma->vm_end = VSYSCALL32_END;
/* MAYWRITE to allow gdb to COW and set breakpoints */
vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE;
+ /*
+ * Make sure the vDSO gets into every core dump.
+ * Dumping its contents makes post-mortem fully interpretable later
+ * without matching up the same kernel and hardware config to see
+ * what PC values meant.
+ */
+ vma->vm_flags |= VM_ALWAYSDUMP;
vma->vm_flags |= mm->def_flags;
vma->vm_page_prot = protection_map[vma->vm_flags & 7];
vma->vm_ops = &syscall32_vm_ops;
@@ -75,6 +82,14 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
return 0;
}
+const char *arch_vma_name(struct vm_area_struct *vma)
+{
+ if (vma->vm_start == VSYSCALL32_BASE &&
+ vma->vm_mm && vma->vm_mm->task_size == IA32_PAGE_OFFSET)
+ return "[vdso]";
+ return NULL;
+}
+
static int __init init_syscall32(void)
{
syscall32_page = (void *)get_zeroed_page(GFP_KERNEL);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 07:36:58 +0000