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authorDavid S. Miller <davem@davemloft.net>2013-01-29 15:32:13 -0500
committerDavid S. Miller <davem@davemloft.net>2013-01-29 15:32:13 -0500
commitf1e7b73acc26e8908af783bcd3a9900fd80688f5 (patch)
tree9a9382fb7f12f1889020efb4bffa3f4a88589fc5 /arch/arm/kernel/hyp-stub.S
parent218774dc341f219bfcf940304a081b121a0e8099 (diff)
parentfc16e884a2320198b8cb7bc2fdcf6b4485e79709 (diff)
downloadblackbird-op-linux-f1e7b73acc26e8908af783bcd3a9900fd80688f5.tar.gz
blackbird-op-linux-f1e7b73acc26e8908af783bcd3a9900fd80688f5.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Bring in the 'net' tree so that we can get some ipv4/ipv6 bug fixes that some net-next work will build upon. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/kernel/hyp-stub.S')
-rw-r--r--arch/arm/kernel/hyp-stub.S18
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index 65b2417aebce..1315c4ccfa56 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -99,7 +99,7 @@ ENTRY(__hyp_stub_install_secondary)
* immediately.
*/
compare_cpu_mode_with_primary r4, r5, r6, r7
- bxne lr
+ movne pc, lr
/*
* Once we have given up on one CPU, we do not try to install the
@@ -111,7 +111,7 @@ ENTRY(__hyp_stub_install_secondary)
*/
cmp r4, #HYP_MODE
- bxne lr @ give up if the CPU is not in HYP mode
+ movne pc, lr @ give up if the CPU is not in HYP mode
/*
* Configure HSCTLR to set correct exception endianness/instruction set
@@ -120,7 +120,8 @@ ENTRY(__hyp_stub_install_secondary)
* Eventually, CPU-specific code might be needed -- assume not for now
*
* This code relies on the "eret" instruction to synchronize the
- * various coprocessor accesses.
+ * various coprocessor accesses. This is done when we switch to SVC
+ * (see safe_svcmode_maskall).
*/
@ Now install the hypervisor stub:
adr r7, __hyp_stub_vectors
@@ -155,14 +156,7 @@ THUMB( orr r7, #(1 << 30) ) @ HSCTLR.TE
1:
#endif
- bic r7, r4, #MODE_MASK
- orr r7, r7, #SVC_MODE
-THUMB( orr r7, r7, #PSR_T_BIT )
- msr spsr_cxsf, r7 @ This is SPSR_hyp.
-
- __MSR_ELR_HYP(14) @ msr elr_hyp, lr
- __ERET @ return, switching to SVC mode
- @ The boot CPU mode is left in r4.
+ bx lr @ The boot CPU mode is left in r4.
ENDPROC(__hyp_stub_install_secondary)
__hyp_stub_do_trap:
@@ -200,7 +194,7 @@ ENDPROC(__hyp_get_vectors)
@ fall through
ENTRY(__hyp_set_vectors)
__HVC(0)
- bx lr
+ mov pc, lr
ENDPROC(__hyp_set_vectors)
#ifndef ZIMAGE
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