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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2009-03-26 15:24:43 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-03-26 15:24:27 +0100
commitda292bbe1f620221b08c4b589424f370168d642b (patch)
treefa57cd1410b357028559f219305676d5bf2762e8 /arch/s390/kernel
parent7b4684880dfc6c45bc56039ca5eada771d7643ab (diff)
downloadlwn-da292bbe1f620221b08c4b589424f370168d642b.tar.gz
lwn-da292bbe1f620221b08c4b589424f370168d642b.zip
[S390] eliminate ipl_device from lowcore
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/head31.S1
-rw-r--r--arch/s390/kernel/head64.S1
-rw-r--r--arch/s390/kernel/setup.c1
-rw-r--r--arch/s390/kernel/smp.c1
4 files changed, 0 insertions, 4 deletions
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index db476d114caa..2ced846065b7 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -20,7 +20,6 @@ startup_continue:
lctl %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
l %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
# move IPL device to lowcore
- mvc __LC_IPLDEV(4),IPL_DEVICE-PARMAREA(%r12)
#
# Setup stack
#
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index f9f70aa15244..65667b2e65ce 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -86,7 +86,6 @@ startup_continue:
lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
# move IPL device to lowcore
- mvc __LC_IPLDEV(4),IPL_DEVICE+4-PARMAREA(%r12)
lghi %r0,__LC_PASTE
stg %r0,__LC_VDSO_PER_CPU
#
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 9c8853f21bb2..91551ef1d67e 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -419,7 +419,6 @@ setup_lowcore(void)
PSW_ADDR_AMODE | (unsigned long) mcck_int_handler;
lc->io_new_psw.mask = psw_kernel_bits;
lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler;
- lc->ipl_device = S390_lowcore.ipl_device;
lc->clock_comparator = -1ULL;
lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE;
lc->async_stack = (unsigned long)
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index b167f74d94cd..775885772ff1 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -566,7 +566,6 @@ int __cpuinit __cpu_up(unsigned int cpu)
cpu_lowcore->current_task = (unsigned long) idle;
cpu_lowcore->cpu_nr = cpu;
cpu_lowcore->kernel_asce = S390_lowcore.kernel_asce;
- cpu_lowcore->ipl_device = S390_lowcore.ipl_device;
eieio();
while (signal_processor(cpu, sigp_restart) == sigp_busy)