drm: merge in Linus mainline

3 files changed, 32 insertions, 24 deletions

diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 6dfeb70f695..f5fd5b0156d 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -1,11 +1,13 @@
-obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
-	ptrace_user.o semaphore.o signal.o sigcontext.o stub.o stub_segv.o \
-	syscalls.o sysrq.o sys_call_table.o
+obj-y := bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
+	ptrace_user.o semaphore.o signal.o sigcontext.o syscalls.o sysrq.o \
+	sys_call_table.o
+
+obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o
 
 obj-$(CONFIG_HIGHMEM) += highmem.o
 obj-$(CONFIG_MODULES) += module.o
 
-USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
+USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o stub_segv.o
 
 SYMLINKS = bitops.c semaphore.c highmem.c module.c
 
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
index 6360f1c958d..17746b4c08f 100644
--- a/arch/um/sys-i386/ldt.c
+++ b/arch/um/sys-i386/ldt.c
@@ -228,7 +228,7 @@ static int read_ldt(void __user * ptr, unsigned long bytecount)
 		size = LDT_ENTRY_SIZE*LDT_DIRECT_ENTRIES;
 		if(size > bytecount)
 			size = bytecount;
-		if(copy_to_user(ptr, ldt->entries, size))
+		if(copy_to_user(ptr, ldt->u.entries, size))
 			err = -EFAULT;
 		bytecount -= size;
 		ptr += size;
@@ -239,7 +239,7 @@ static int read_ldt(void __user * ptr, unsigned long bytecount)
 			size = PAGE_SIZE;
 			if(size > bytecount)
 				size = bytecount;
-			if(copy_to_user(ptr, ldt->pages[i], size)){
+			if(copy_to_user(ptr, ldt->u.pages[i], size)){
 				err = -EFAULT;
 				break;
 			}
@@ -321,10 +321,11 @@ static int write_ldt(void __user * ptr, unsigned long bytecount, int func)
 		    i*LDT_ENTRIES_PER_PAGE <= ldt_info.entry_number;
 		    i++){
 			if(i == 0)
-				memcpy(&entry0, ldt->entries, sizeof(entry0));
-			ldt->pages[i] = (struct ldt_entry *)
-					__get_free_page(GFP_KERNEL|__GFP_ZERO);
-			if(!ldt->pages[i]){
+				memcpy(&entry0, ldt->u.entries,
+				       sizeof(entry0));
+			ldt->u.pages[i] = (struct ldt_entry *)
+				__get_free_page(GFP_KERNEL|__GFP_ZERO);
+			if(!ldt->u.pages[i]){
 				err = -ENOMEM;
 				/* Undo the change in host */
 				memset(&ldt_info, 0, sizeof(ldt_info));
@@ -332,8 +333,9 @@ static int write_ldt(void __user * ptr, unsigned long bytecount, int func)
 				goto out_unlock;
 			}
 			if(i == 0) {
-				memcpy(ldt->pages[0], &entry0, sizeof(entry0));
-				memcpy(ldt->pages[0]+1, ldt->entries+1,
+				memcpy(ldt->u.pages[0], &entry0,
+				       sizeof(entry0));
+				memcpy(ldt->u.pages[0]+1, ldt->u.entries+1,
 				       sizeof(entry0)*(LDT_DIRECT_ENTRIES-1));
 			}
 			ldt->entry_count = (i + 1) * LDT_ENTRIES_PER_PAGE;
@@ -343,9 +345,9 @@ static int write_ldt(void __user * ptr, unsigned long bytecount, int func)
 		ldt->entry_count = ldt_info.entry_number + 1;
 
 	if(ldt->entry_count <= LDT_DIRECT_ENTRIES)
-		ldt_p = ldt->entries + ldt_info.entry_number;
+		ldt_p = ldt->u.entries + ldt_info.entry_number;
 	else
-		ldt_p = ldt->pages[ldt_info.entry_number/LDT_ENTRIES_PER_PAGE] +
+		ldt_p = ldt->u.pages[ldt_info.entry_number/LDT_ENTRIES_PER_PAGE] +
 			ldt_info.entry_number%LDT_ENTRIES_PER_PAGE;
 
 	if(ldt_info.base_addr == 0 && ldt_info.limit == 0 &&
@@ -501,8 +503,8 @@ long init_new_ldt(struct mmu_context_skas * new_mm,
 		 */
 		down(&from_mm->ldt.semaphore);
 		if(from_mm->ldt.entry_count <= LDT_DIRECT_ENTRIES){
-			memcpy(new_mm->ldt.entries, from_mm->ldt.entries,
-			       sizeof(new_mm->ldt.entries));
+			memcpy(new_mm->ldt.u.entries, from_mm->ldt.u.entries,
+			       sizeof(new_mm->ldt.u.entries));
 		}
 		else{
 			i = from_mm->ldt.entry_count / LDT_ENTRIES_PER_PAGE;
@@ -512,9 +514,10 @@ long init_new_ldt(struct mmu_context_skas * new_mm,
 					err = -ENOMEM;
 					break;
 				}
-				new_mm->ldt.pages[i] = (struct ldt_entry*)page;
-				memcpy(new_mm->ldt.pages[i],
-				       from_mm->ldt.pages[i], PAGE_SIZE);
+				new_mm->ldt.u.pages[i] =
+					(struct ldt_entry *) page;
+				memcpy(new_mm->ldt.u.pages[i],
+				       from_mm->ldt.u.pages[i], PAGE_SIZE);
 			}
 		}
 		new_mm->ldt.entry_count = from_mm->ldt.entry_count;
@@ -532,7 +535,7 @@ void free_ldt(struct mmu_context_skas * mm)
 	if(!ptrace_ldt && mm->ldt.entry_count > LDT_DIRECT_ENTRIES){
 		i = mm->ldt.entry_count / LDT_ENTRIES_PER_PAGE;
 		while(i-- > 0){
-			free_page((long )mm->ldt.pages[i]);
+			free_page((long )mm->ldt.u.pages[i]);
 		}
 	}
 	mm->ldt.entry_count = 0;
diff --git a/arch/um/sys-i386/stub_segv.c b/arch/um/sys-i386/stub_segv.c
index 1e88b275eda..a37f672ec96 100644
--- a/arch/um/sys-i386/stub_segv.c
+++ b/arch/um/sys-i386/stub_segv.c
@@ -3,9 +3,11 @@
  * Licensed under the GPL
  */
 
-#include <asm/signal.h>
+#include <signal.h>
+#include <sys/select.h> /* The only way I can see to get sigset_t */
 #include <asm/unistd.h>
 #include "uml-config.h"
+#include "sysdep/stub.h"
 #include "sysdep/sigcontext.h"
 #include "sysdep/faultinfo.h"
 
@@ -13,13 +15,14 @@ void __attribute__ ((__section__ (".__syscall_stub")))
 stub_segv_handler(int sig)
 {
 	struct sigcontext *sc = (struct sigcontext *) (&sig + 1);
+	int pid;
 
 	GET_FAULTINFO_FROM_SC(*((struct faultinfo *) UML_CONFIG_STUB_DATA),
 			      sc);
 
-	__asm__("movl %0, %%eax ; int $0x80": : "g" (__NR_getpid));
-	__asm__("movl %%eax, %%ebx ; movl %0, %%eax ; movl %1, %%ecx ;"
-		"int $0x80": : "g" (__NR_kill), "g" (SIGUSR1));
+	pid = stub_syscall0(__NR_getpid);
+	stub_syscall2(__NR_kill, pid, SIGUSR1);
+
 	/* Load pointer to sigcontext into esp, since we need to leave
 	 * the stack in its original form when we do the sigreturn here, by
 	 * hand.