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authorDavid S. Miller <davem@davemloft.net>2014-08-06 03:57:18 +0200
committerDavid S. Miller <davem@davemloft.net>2014-08-06 03:57:18 +0200
commite9011d086674caeedb0ffb6eb5b8bc5920821df3 (patch)
treeed5d06353d8dc1fa5f6da349808f8345ca2291a5 /arch/sparc
parentMerge branch 'sparc64_io' (diff)
parentsparc: Add "install" target (diff)
downloadlinux-e9011d086674caeedb0ffb6eb5b8bc5920821df3.tar.xz
linux-e9011d086674caeedb0ffb6eb5b8bc5920821df3.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Conflicts: arch/sparc/mm/init_64.c Conflict was simple non-overlapping additions. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/Makefile3
-rw-r--r--arch/sparc/boot/Makefile4
-rw-r--r--arch/sparc/boot/install.sh50
-rw-r--r--arch/sparc/include/asm/tlbflush_64.h12
-rw-r--r--arch/sparc/include/uapi/asm/unistd.h3
-rw-r--r--arch/sparc/kernel/ldc.c2
-rw-r--r--arch/sparc/kernel/sys32.S1
-rw-r--r--arch/sparc/kernel/systbls_32.S1
-rw-r--r--arch/sparc/kernel/systbls_64.S2
-rw-r--r--arch/sparc/math-emu/math_32.c2
-rw-r--r--arch/sparc/mm/init_64.c32
11 files changed, 99 insertions, 13 deletions
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index 9ff423678cbc..eaee14637d93 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -68,6 +68,9 @@ all: zImage
image zImage uImage tftpboot.img vmlinux.aout: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+install:
+ $(Q)$(MAKE) $(build)=$(boot) $@
+
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile
index 6e63afb128d9..6a4ceae5ec67 100644
--- a/arch/sparc/boot/Makefile
+++ b/arch/sparc/boot/Makefile
@@ -69,3 +69,7 @@ $(obj)/image: vmlinux FORCE
$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
$(call if_changed,elftoaout)
$(call if_changed,piggy)
+
+install:
+ sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/zImage \
+ System.map "$(INSTALL_PATH)"
diff --git a/arch/sparc/boot/install.sh b/arch/sparc/boot/install.sh
new file mode 100644
index 000000000000..b32851eae693
--- /dev/null
+++ b/arch/sparc/boot/install.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 1995 by Linus Torvalds
+#
+# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin
+#
+# "make install" script for SPARC architecture
+#
+# Arguments:
+# $1 - kernel version
+# $2 - kernel image file
+# $3 - kernel map file
+# $4 - default install path (blank if root directory)
+#
+
+verify () {
+ if [ ! -f "$1" ]; then
+ echo "" 1>&2
+ echo " *** Missing file: $1" 1>&2
+ echo ' *** You need to run "make" before "make install".' 1>&2
+ echo "" 1>&2
+ exit 1
+ fi
+}
+
+# Make sure the files actually exist
+verify "$2"
+verify "$3"
+
+# User may have a custom install script
+
+if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
+if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
+
+# Default install - same as make zlilo
+
+if [ -f $4/vmlinuz ]; then
+ mv $4/vmlinuz $4/vmlinuz.old
+fi
+
+if [ -f $4/System.map ]; then
+ mv $4/System.map $4/System.old
+fi
+
+cat $2 > $4/vmlinuz
+cp $3 $4/System.map
diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h
index 816d8202fa0a..dea1cfa2122b 100644
--- a/arch/sparc/include/asm/tlbflush_64.h
+++ b/arch/sparc/include/asm/tlbflush_64.h
@@ -34,6 +34,8 @@ static inline void flush_tlb_range(struct vm_area_struct *vma,
{
}
+void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+
#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
void flush_tlb_pending(void);
@@ -48,11 +50,6 @@ void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
#ifndef CONFIG_SMP
-#define flush_tlb_kernel_range(start,end) \
-do { flush_tsb_kernel_range(start,end); \
- __flush_tlb_kernel_range(start,end); \
-} while (0)
-
static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
{
__flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
@@ -63,11 +60,6 @@ static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vad
void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
-#define flush_tlb_kernel_range(start, end) \
-do { flush_tsb_kernel_range(start,end); \
- smp_flush_tlb_kernel_range(start, end); \
-} while (0)
-
#define global_flush_tlb_page(mm, vaddr) \
smp_flush_tlb_page(mm, vaddr)
diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index b73274fb961a..42f2bca1d338 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -410,8 +410,9 @@
#define __NR_finit_module 342
#define __NR_sched_setattr 343
#define __NR_sched_getattr 344
+#define __NR_renameat2 345
-#define NR_syscalls 345
+#define NR_syscalls 346
/* Bitmask values returned from kern_features system call. */
#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index e01d75d40329..66dacd56bb10 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1336,7 +1336,7 @@ int ldc_connect(struct ldc_channel *lp)
if (!(lp->flags & LDC_FLAG_ALLOCED_QUEUES) ||
!(lp->flags & LDC_FLAG_REGISTERED_QUEUES) ||
lp->hs_state != LDC_HS_OPEN)
- err = -EINVAL;
+ err = ((lp->hs_state > LDC_HS_OPEN) ? 0 : -EINVAL);
else
err = start_handshake(lp);
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index d066eb18650c..f834224208ed 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -48,6 +48,7 @@ SIGN1(sys32_futex, compat_sys_futex, %o1)
SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
+SIGN2(sys32_renameat2, sys_renameat2, %o0, %o2)
.globl sys32_mmap2
sys32_mmap2:
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 151ace8766cc..85fe9b1087cd 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -86,3 +86,4 @@ sys_call_table:
/*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
/*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
/*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
+/*345*/ .long sys_renameat2
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 4bd4e2bb26cf..33ecba2826ea 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -87,6 +87,7 @@ sys_call_table32:
/*330*/ .word compat_sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
.word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
+ .word sys32_renameat2
#endif /* CONFIG_COMPAT */
@@ -165,3 +166,4 @@ sys_call_table:
/*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
.word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
+ .word sys_renameat2
diff --git a/arch/sparc/math-emu/math_32.c b/arch/sparc/math-emu/math_32.c
index aa4d55b0bdf0..5ce8f2f64604 100644
--- a/arch/sparc/math-emu/math_32.c
+++ b/arch/sparc/math-emu/math_32.c
@@ -499,7 +499,7 @@ static int do_one_mathemu(u32 insn, unsigned long *pfsr, unsigned long *fregs)
case 0: fsr = *pfsr;
if (IR == -1) IR = 2;
/* fcc is always fcc0 */
- fsr &= ~0xc00; fsr |= (IR << 10); break;
+ fsr &= ~0xc00; fsr |= (IR << 10);
*pfsr = fsr;
break;
case 1: rd->s = IR; break;
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 9f4f532e2627..cdc9f145e3c3 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -352,6 +352,10 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *
mm = vma->vm_mm;
+ /* Don't insert a non-valid PTE into the TSB, we'll deadlock. */
+ if (!pte_accessible(mm, pte))
+ return;
+
spin_lock_irqsave(&mm->context.lock, flags);
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
@@ -2620,6 +2624,10 @@ void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
pte = pmd_val(entry);
+ /* Don't insert a non-valid PMD into the TSB, we'll deadlock. */
+ if (!(pte & _PAGE_VALID))
+ return;
+
/* We are fabricating 8MB pages using 4MB real hw pages. */
pte |= (addr & (1UL << REAL_HPAGE_SHIFT));
@@ -2764,3 +2772,27 @@ static int __init report_memory(void)
return 0;
}
device_initcall(report_memory);
+
+#ifdef CONFIG_SMP
+#define do_flush_tlb_kernel_range smp_flush_tlb_kernel_range
+#else
+#define do_flush_tlb_kernel_range __flush_tlb_kernel_range
+#endif
+
+void flush_tlb_kernel_range(unsigned long start, unsigned long end)
+{
+ if (start < HI_OBP_ADDRESS && end > LOW_OBP_ADDRESS) {
+ if (start < LOW_OBP_ADDRESS) {
+ flush_tsb_kernel_range(start, LOW_OBP_ADDRESS);
+ do_flush_tlb_kernel_range(start, LOW_OBP_ADDRESS);
+ }
+ if (end > HI_OBP_ADDRESS) {
+ flush_tsb_kernel_range(end, HI_OBP_ADDRESS);
+ do_flush_tlb_kernel_range(end, HI_OBP_ADDRESS);
+ }
+ } else {
+ flush_tsb_kernel_range(start, end);
+ do_flush_tlb_kernel_range(start, end);
+ }
+}
+>>>>>>> c78f77e20d2ba5d4d5e478e85a6fb42556893e2d