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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel

Pull Hexagon fixes from Richard Kuo:
 "A bug fix and a Kconfig cleanup"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel:
  HEXAGON: Remove non existent reference to GENERIC_KERNEL_EXECVE & GENERIC_KERNEL_THREAD
  Hexagon: fix register used to call do_work_pending
Linus Torvalds 12 years ago
parent
commit
246e6a0d78
2 changed files with 6 additions and 8 deletions
  1. 0 2
      arch/hexagon/Kconfig
  2. 6 6
      arch/hexagon/kernel/vm_entry.S

+ 0 - 2
arch/hexagon/Kconfig

@@ -30,8 +30,6 @@ config HEXAGON
 	select GENERIC_CLOCKEVENTS_BROADCAST
 	select MODULES_USE_ELF_RELA
 	select GENERIC_CPU_DEVICES
-	select GENERIC_KERNEL_THREAD
-	select GENERIC_KERNEL_EXECVE
 	---help---
 	  Qualcomm Hexagon is a processor architecture designed for high
 	  performance and low power across a wide variety of applications.

+ 6 - 6
arch/hexagon/kernel/vm_entry.S

@@ -291,12 +291,12 @@ event_dispatch:
 	/*  "Nested control path" -- if the previous mode was kernel  */
 	{
 		R0 = memw(R29 + #_PT_ER_VMEST);
-		R16.L = #LO(do_work_pending);
+		R26.L = #LO(do_work_pending);
 	}
 	{
 		P0 = tstbit(R0, #HVM_VMEST_UM_SFT);
 		if (!P0.new) jump:nt restore_all;
-		R16.H = #HI(do_work_pending);
+		R26.H = #HI(do_work_pending);
 		R0 = #VM_INT_DISABLE;
 	}
 
@@ -304,7 +304,7 @@ event_dispatch:
 	 * Check also the return from fork/system call, normally coming back from
 	 * user mode
 	 *
-	 * R16 needs to have do_work_pending, and R0 should have VM_INT_DISABLE
+	 * R26 needs to have do_work_pending, and R0 should have VM_INT_DISABLE
 	 */
 
 check_work_pending:
@@ -313,7 +313,7 @@ check_work_pending:
 	{
 		R0 = R29;  /*  regs should still be at top of stack  */
 		R1 = memw(THREADINFO_REG + #_THREAD_INFO_FLAGS);
-		callr R16;
+		callr R26;
 	}
 
 	{
@@ -375,11 +375,11 @@ _K_enter_debug:
 ret_from_fork:
 	{
 		call schedule_tail
-		R16.H = #HI(do_work_pending);
+		R26.H = #HI(do_work_pending);
 	}
 	{
 		P0 = cmp.eq(R24, #0);
-		R16.L = #LO(do_work_pending);
+		R26.L = #LO(do_work_pending);
 		R0 = #VM_INT_DISABLE;
 	}
 	if P0 jump check_work_pending