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authorDavid S. Miller <davem@davemloft.net>2013-09-05 22:58:52 +0400
committerDavid S. Miller <davem@davemloft.net>2013-09-05 22:58:52 +0400
commit06c54055bebf919249aa1eb68312887c3cfe77b4 (patch)
tree223a49c09e5d26516ed0161b8a52d08454ae028e /arch
parent1a5bbfc3d6b700178b75743a2ba1fd2e58a8f36f (diff)
parente2e5c4c07caf810d7849658dca42f598b3938e21 (diff)
downloadlinux-06c54055bebf919249aa1eb68312887c3cfe77b4.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c net/bridge/br_multicast.c net/ipv6/sit.c The conflicts were minor: 1) sit.c changes overlap with change to ip_tunnel_xmit() signature. 2) br_multicast.c had an overlap between computing max_delay using msecs_to_jiffies and turning MLDV2_MRC() into an inline function with a name using lowercase instead of uppercase letters. 3) stmmac had two overlapping changes, one which conditionally allocated and hooked up a dma_cfg based upon the presence of the pbl OF property, and another one handling store-and-forward DMA made. The latter of which should not go into the new of_find_property() basic block. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/arc/lib/strchr-700.S10
-rw-r--r--arch/arm/kernel/fiq.c3
-rw-r--r--arch/arm/kernel/machine_kexec.c1
-rw-r--r--arch/arm/mach-prima2/common.c2
-rw-r--r--arch/arm/mm/Kconfig9
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/include/asm/page.h10
-rw-r--r--arch/powerpc/kernel/lparcfg.c22
8 files changed, 39 insertions, 19 deletions
diff --git a/arch/arc/lib/strchr-700.S b/arch/arc/lib/strchr-700.S
index 99c10475d477..9c548c7cf001 100644
--- a/arch/arc/lib/strchr-700.S
+++ b/arch/arc/lib/strchr-700.S
@@ -39,9 +39,18 @@ ARC_ENTRY strchr
ld.a r2,[r0,4]
sub r12,r6,r7
bic r12,r12,r6
+#ifdef __LITTLE_ENDIAN__
and r7,r12,r4
breq r7,0,.Loop ; For speed, we want this branch to be unaligned.
b .Lfound_char ; Likewise this one.
+#else
+ and r12,r12,r4
+ breq r12,0,.Loop ; For speed, we want this branch to be unaligned.
+ lsr_s r12,r12,7
+ bic r2,r7,r6
+ b.d .Lfound_char_b
+ and_s r2,r2,r12
+#endif
; /* We require this code address to be unaligned for speed... */
.Laligned:
ld_s r2,[r0]
@@ -95,6 +104,7 @@ ARC_ENTRY strchr
lsr r7,r7,7
bic r2,r7,r6
+.Lfound_char_b:
norm r2,r2
sub_s r0,r0,4
asr_s r2,r2,3
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index fc7920288a3d..918875d96d5d 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -89,7 +89,8 @@ void set_fiq_handler(void *start, unsigned int length)
memcpy(base + offset, start, length);
if (!cache_is_vipt_nonaliasing())
- flush_icache_range(base + offset, offset + length);
+ flush_icache_range((unsigned long)base + offset, offset +
+ length);
flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length);
}
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index d7c82df69243..57221e349a7c 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -82,6 +82,7 @@ void machine_crash_nonpanic_core(void *unused)
crash_save_cpu(&regs, smp_processor_id());
flush_cache_all();
+ set_cpu_online(smp_processor_id(), false);
atomic_dec(&waiting_for_crash_ipi);
while (1)
cpu_relax();
diff --git a/arch/arm/mach-prima2/common.c b/arch/arm/mach-prima2/common.c
index 2c70f74fed5d..e110b6d4ae8c 100644
--- a/arch/arm/mach-prima2/common.c
+++ b/arch/arm/mach-prima2/common.c
@@ -42,7 +42,6 @@ static const char *atlas6_dt_match[] __initdata = {
DT_MACHINE_START(ATLAS6_DT, "Generic ATLAS6 (Flattened Device Tree)")
/* Maintainer: Barry Song <baohua.song@csr.com> */
- .nr_irqs = 128,
.map_io = sirfsoc_map_io,
.init_time = sirfsoc_init_time,
.init_late = sirfsoc_init_late,
@@ -59,7 +58,6 @@ static const char *prima2_dt_match[] __initdata = {
DT_MACHINE_START(PRIMA2_DT, "Generic PRIMA2 (Flattened Device Tree)")
/* Maintainer: Barry Song <baohua.song@csr.com> */
- .nr_irqs = 128,
.map_io = sirfsoc_map_io,
.init_time = sirfsoc_init_time,
.dma_zone_size = SZ_256M,
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index db5c2cab8fda..cd2c88e7a8f7 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -809,15 +809,18 @@ config KUSER_HELPERS
the CPU type fitted to the system. This permits binaries to be
run on ARMv4 through to ARMv7 without modification.
+ See Documentation/arm/kernel_user_helpers.txt for details.
+
However, the fixed address nature of these helpers can be used
by ROP (return orientated programming) authors when creating
exploits.
If all of the binaries and libraries which run on your platform
are built specifically for your platform, and make no use of
- these helpers, then you can turn this option off. However,
- when such an binary or library is run, it will receive a SIGILL
- signal, which will terminate the program.
+ these helpers, then you can turn this option off to hinder
+ such exploits. However, in that case, if a binary or library
+ relying on those helpers is run, it will receive a SIGILL signal,
+ which will terminate the program.
Say N here only if you are absolutely certain that you do not
need these helpers; otherwise, the safe option is to say Y.
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index dbd9d3c991e8..9cf59816d3e9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -979,6 +979,7 @@ config RELOCATABLE
must live at a different physical address than the primary
kernel.
+# This value must have zeroes in the bottom 60 bits otherwise lots will break
config PAGE_OFFSET
hex
default "0xc000000000000000"
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 988c812aab5b..b9f426212d3a 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -211,9 +211,19 @@ extern long long virt_phys_offset;
#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + VIRT_PHYS_OFFSET))
#define __pa(x) ((unsigned long)(x) - VIRT_PHYS_OFFSET)
#else
+#ifdef CONFIG_PPC64
+/*
+ * gcc miscompiles (unsigned long)(&static_var) - PAGE_OFFSET
+ * with -mcmodel=medium, so we use & and | instead of - and + on 64-bit.
+ */
+#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) | PAGE_OFFSET))
+#define __pa(x) ((unsigned long)(x) & 0x0fffffffffffffffUL)
+
+#else /* 32-bit, non book E */
#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + PAGE_OFFSET - MEMORY_START))
#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + MEMORY_START)
#endif
+#endif
/*
* Unfortunately the PLT is in the BSS in the PPC32 ELF ABI,
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index d92f3871e9cf..e2a0a162299b 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -35,7 +35,13 @@
#include <asm/vdso_datapage.h>
#include <asm/vio.h>
#include <asm/mmu.h>
+#include <asm/machdep.h>
+
+/*
+ * This isn't a module but we expose that to userspace
+ * via /proc so leave the definitions here
+ */
#define MODULE_VERS "1.9"
#define MODULE_NAME "lparcfg"
@@ -418,7 +424,8 @@ static void parse_em_data(struct seq_file *m)
{
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
- if (plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
+ if (firmware_has_feature(FW_FEATURE_LPAR) &&
+ plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
seq_printf(m, "power_mode_data=%016lx\n", retbuf[0]);
}
@@ -677,7 +684,6 @@ static int lparcfg_open(struct inode *inode, struct file *file)
}
static const struct file_operations lparcfg_fops = {
- .owner = THIS_MODULE,
.read = seq_read,
.write = lparcfg_write,
.open = lparcfg_open,
@@ -699,14 +705,4 @@ static int __init lparcfg_init(void)
}
return 0;
}
-
-static void __exit lparcfg_cleanup(void)
-{
- remove_proc_subtree("powerpc/lparcfg", NULL);
-}
-
-module_init(lparcfg_init);
-module_exit(lparcfg_cleanup);
-MODULE_DESCRIPTION("Interface for LPAR configuration data");
-MODULE_AUTHOR("Dave Engebretsen");
-MODULE_LICENSE("GPL");
+machine_device_initcall(pseries, lparcfg_init);