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-rw-r--r--arch/arm26/kernel/entry.S10
-rw-r--r--arch/cris/arch-v32/drivers/pci/dma.c2
-rw-r--r--arch/frv/mm/init.c3
-rw-r--r--arch/i386/kernel/pci-dma.c2
-rw-r--r--arch/powerpc/platforms/ps3/Kconfig28
-rw-r--r--arch/um/Kconfig.char19
-rw-r--r--arch/um/os-Linux/elf_aux.c3
-rw-r--r--arch/um/os-Linux/sigio.c5
-rw-r--r--arch/um/sys-i386/ldt.c36
9 files changed, 74 insertions, 34 deletions
diff --git a/arch/arm26/kernel/entry.S b/arch/arm26/kernel/entry.S
index 6d910ea43d34..91496cc687b1 100644
--- a/arch/arm26/kernel/entry.S
+++ b/arch/arm26/kernel/entry.S
@@ -245,11 +245,6 @@ ENTRY(vector_swi)
zero_fp
get_scno
-#ifdef CONFIG_ALIGNMENT_TRAP
- ldr ip, __cr_alignment
- ldr ip, [ip]
- mcr p15, 0, ip, c1, c0 @ update control register
-#endif
enable_irqs ip
str r4, [sp, #-S_OFF]! @ push fifth arg
@@ -299,11 +294,6 @@ __sys_trace_return:
b ret_slow_syscall
.align 5
-#ifdef CONFIG_ALIGNMENT_TRAP
- .type __cr_alignment, #object
-__cr_alignment:
- .word cr_alignment
-#endif
.type sys_call_table, #object
ENTRY(sys_call_table)
diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c
index 426b09878a05..70d3bf0c92e8 100644
--- a/arch/cris/arch-v32/drivers/pci/dma.c
+++ b/arch/cris/arch-v32/drivers/pci/dma.c
@@ -111,7 +111,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
return DMA_MEMORY_IO;
free1_out:
- kfree(dev->dma_mem->bitmap);
+ kfree(dev->dma_mem);
out:
return 0;
}
diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c
index 3f3a0ed3539b..4103c2c487f3 100644
--- a/arch/frv/mm/init.c
+++ b/arch/frv/mm/init.c
@@ -126,8 +126,7 @@ void __init paging_init(void)
/* distribute the allocatable pages across the various zones and pass them to the allocator
*/
- zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
- zones_size[ZONE_NORMAL] = 0;
+ zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
#ifdef CONFIG_HIGHMEM
zones_size[ZONE_HIGHMEM] = num_physpages - num_mappedpages;
#endif
diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c
index 41af692c1584..3ebcea033623 100644
--- a/arch/i386/kernel/pci-dma.c
+++ b/arch/i386/kernel/pci-dma.c
@@ -110,7 +110,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
return DMA_MEMORY_IO;
free1_out:
- kfree(dev->dma_mem->bitmap);
+ kfree(dev->dma_mem);
out:
if (mem_base)
iounmap(mem_base);
diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig
index d270a1e374d5..1a481a60a883 100644
--- a/arch/powerpc/platforms/ps3/Kconfig
+++ b/arch/powerpc/platforms/ps3/Kconfig
@@ -1,9 +1,24 @@
menu "PS3 Platform Options"
depends on PPC_PS3
+config PS3_ADVANCED
+ depends on PPC_PS3
+ bool "PS3 Advanced configuration options"
+ help
+ This gives you access to some advanced options for the PS3. The
+ defaults should be fine for most users, but these options may make
+ it possible to better control the kernel configuration if you know
+ what you are doing.
+
+ Note that the answer to this question won't directly affect the
+ kernel: saying N will just cause the configurator to skip all
+ the questions about these options.
+
+ Most users should say N to this question.
+
config PS3_HTAB_SIZE
depends on PPC_PS3
- int "PS3 Platform pagetable size"
+ int "PS3 Platform pagetable size" if PS3_ADVANCED
range 18 20
default 20
help
@@ -42,7 +57,7 @@ config PS3_USE_LPAR_ADDR
config PS3_VUART
depends on PPC_PS3
- bool "PS3 Virtual UART support"
+ bool "PS3 Virtual UART support" if PS3_ADVANCED
default y
help
Include support for the PS3 Virtual UART.
@@ -52,9 +67,8 @@ config PS3_VUART
general, all users will say Y.
config PS3_PS3AV
- tristate "PS3 AV settings driver"
- depends on PPC_PS3
- select PS3_VUART
+ tristate "PS3 AV settings driver" if PS3_ADVANCED
+ depends on PS3_VUART
default y
help
Include support for the PS3 AV Settings driver.
@@ -63,8 +77,8 @@ config PS3_PS3AV
general, all users will say Y or M.
config PS3_SYS_MANAGER
- bool "PS3 System Manager driver"
- select PS3_VUART
+ bool "PS3 System Manager driver" if PS3_ADVANCED
+ depends on PS3_VUART
default y
help
Include support for the PS3 System Manager.
diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char
index e03e40c7aac3..a5b079d5e865 100644
--- a/arch/um/Kconfig.char
+++ b/arch/um/Kconfig.char
@@ -146,6 +146,25 @@ config LEGACY_PTYS
security. This option enables these legacy devices; on most
systems, it is safe to say N.
+config RAW_DRIVER
+ tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
+ help
+ The raw driver permits block devices to be bound to /dev/raw/rawN.
+ Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
+ See the raw(8) manpage for more details.
+
+ The raw driver is deprecated and will be removed soon.
+ Applications should simply open the device (eg /dev/hda1)
+ with the O_DIRECT flag.
+
+config MAX_RAW_DEVS
+ int "Maximum number of RAW devices to support (1-8192)"
+ depends on RAW_DRIVER
+ default "256"
+ help
+ The maximum number of RAW devices that are supported.
+ Default is 256. Increase this number in case you need lots of
+ raw devices.
config LEGACY_PTY_COUNT
int "Maximum number of legacy PTY in use"
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 3a8d7e3aae0a..608784d4ec57 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -39,6 +39,9 @@ __init void scan_elf_aux( char **envp)
switch ( auxv->a_type ) {
case AT_SYSINFO:
__kernel_vsyscall = auxv->a_un.a_val;
+ /* See if the page is under TASK_SIZE */
+ if (__kernel_vsyscall < (unsigned long) envp)
+ __kernel_vsyscall = 0;
break;
case AT_SYSINFO_EHDR:
vsyscall_ehdr = auxv->a_un.a_val;
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index b2e1fd8e3571..3fc43b33db66 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -334,8 +334,11 @@ void maybe_sigio_broken(int fd, int read)
sigio_lock();
err = need_poll(&all_sigio_fds, all_sigio_fds.used + 1);
- if(err)
+ if(err){
+ printk("maybe_sigio_broken - failed to add pollfd for "
+ "descriptor %d\n", fd);
goto out;
+ }
all_sigio_fds.poll[all_sigio_fds.used++] =
((struct pollfd) { .fd = fd,
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
index 5db7737df0ff..4a8b4202ef9e 100644
--- a/arch/um/sys-i386/ldt.c
+++ b/arch/um/sys-i386/ldt.c
@@ -7,6 +7,7 @@
#include "linux/slab.h"
#include "linux/types.h"
#include "linux/errno.h"
+#include "linux/spinlock.h"
#include "asm/uaccess.h"
#include "asm/smp.h"
#include "asm/ldt.h"
@@ -386,23 +387,33 @@ static long do_modify_ldt_skas(int func, void __user *ptr,
return ret;
}
-short dummy_list[9] = {0, -1};
-short * host_ldt_entries = NULL;
+static DEFINE_SPINLOCK(host_ldt_lock);
+static short dummy_list[9] = {0, -1};
+static short * host_ldt_entries = NULL;
-void ldt_get_host_info(void)
+static void ldt_get_host_info(void)
{
long ret;
- struct ldt_entry * ldt;
+ struct ldt_entry * ldt, *tmp;
int i, size, k, order;
+ spin_lock(&host_ldt_lock);
+
+ if(host_ldt_entries != NULL){
+ spin_unlock(&host_ldt_lock);
+ return;
+ }
host_ldt_entries = dummy_list+1;
+ spin_unlock(&host_ldt_lock);
+
for(i = LDT_PAGES_MAX-1, order=0; i; i>>=1, order++);
ldt = (struct ldt_entry *)
__get_free_pages(GFP_KERNEL|__GFP_ZERO, order);
if(ldt == NULL) {
- printk("ldt_get_host_info: couldn't allocate buffer for host ldt\n");
+ printk("ldt_get_host_info: couldn't allocate buffer for host "
+ "ldt\n");
return;
}
@@ -426,11 +437,13 @@ void ldt_get_host_info(void)
host_ldt_entries = dummy_list;
else {
size = (size + 1) * sizeof(dummy_list[0]);
- host_ldt_entries = kmalloc(size, GFP_KERNEL);
- if(host_ldt_entries == NULL) {
- printk("ldt_get_host_info: couldn't allocate host ldt list\n");
+ tmp = kmalloc(size, GFP_KERNEL);
+ if(tmp == NULL) {
+ printk("ldt_get_host_info: couldn't allocate host ldt "
+ "list\n");
goto out_free;
}
+ host_ldt_entries = tmp;
}
for(i=0, k=0; i<ret/LDT_ENTRY_SIZE; i++){
@@ -480,8 +493,7 @@ long init_new_ldt(struct mmu_context_skas * new_mm,
* inherited from the host. All ldt-entries found
* will be reset in the following loop
*/
- if(host_ldt_entries == NULL)
- ldt_get_host_info();
+ ldt_get_host_info();
for(num_p=host_ldt_entries; *num_p != -1; num_p++){
desc.entry_number = *num_p;
err = write_ldt_entry(&new_mm->id, 1, &desc,
@@ -560,6 +572,6 @@ void free_ldt(struct mmu_context_skas * mm)
int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
{
- return(CHOOSE_MODE_PROC(do_modify_ldt_tt, do_modify_ldt_skas, func,
- ptr, bytecount));
+ return CHOOSE_MODE_PROC(do_modify_ldt_tt, do_modify_ldt_skas, func,
+ ptr, bytecount);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-12 17:11:11 +0000