From: Dale Farnsworth <dale@farnsworth.org>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Subject: [PATCH] [POWERPC] Remove dead code at KernelAltiVec
Date: Thu, 31 Jan 2008 14:11:41 -0700 [thread overview]
Message-ID: <20080131211141.GA11658@farnsworth.org> (raw)
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
---
This code doesn't seem to be referenced anywhere.
arch/powerpc/kernel/head_32.S | 17 -----------------
arch/ppc/kernel/head.S | 17 -----------------
2 files changed, 0 insertions(+), 34 deletions(-)
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 0f4fac5..c16d135 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -763,23 +763,6 @@ load_up_altivec:
b fast_exception_return
/*
- * AltiVec unavailable trap from kernel - print a message, but let
- * the task use AltiVec in the kernel until it returns to user mode.
- */
-KernelAltiVec:
- lwz r3,_MSR(r1)
- oris r3,r3,MSR_VEC@h
- stw r3,_MSR(r1) /* enable use of AltiVec after return */
- lis r3,87f@h
- ori r3,r3,87f@l
- mr r4,r2 /* current */
- lwz r5,_NIP(r1)
- bl printk
- b ret_from_except
-87: .string "AltiVec used in kernel (task=%p, pc=%x) \n"
- .align 4,0
-
-/*
* giveup_altivec(tsk)
* Disable AltiVec for the task given as the argument,
* and save the AltiVec registers in its thread_struct.
diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index 1b0ec72..e7e642b 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -701,23 +701,6 @@ load_up_altivec:
b fast_exception_return
/*
- * AltiVec unavailable trap from kernel - print a message, but let
- * the task use AltiVec in the kernel until it returns to user mode.
- */
-KernelAltiVec:
- lwz r3,_MSR(r1)
- oris r3,r3,MSR_VEC@h
- stw r3,_MSR(r1) /* enable use of AltiVec after return */
- lis r3,87f@h
- ori r3,r3,87f@l
- mr r4,r2 /* current */
- lwz r5,_NIP(r1)
- bl printk
- b ret_from_except
-87: .string "AltiVec used in kernel (task=%p, pc=%x) \n"
- .align 4,0
-
-/*
* giveup_altivec(tsk)
* Disable AltiVec for the task given as the argument,
* and save the AltiVec registers in its thread_struct.
reply other threads:[~2008-01-31 21:11 UTC|newest]
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