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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-09-11 10:29:03 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-09-11 10:29:55 +0200 |
| commit | 4bb5e07b68565d7983108993aa23eccf5f1b35fe (patch) | |
| tree | a76f2d5933cc8d90878f3df2d29f09fbd952daca /arch/s390/kernel/head64.S | |
| parent | [S390] tape: Fix device online messages (diff) | |
| download | linux-4bb5e07b68565d7983108993aa23eccf5f1b35fe.tar.xz linux-4bb5e07b68565d7983108993aa23eccf5f1b35fe.zip | |
[S390] Limit cpu detection to 256 physical cpus.
Saves us more than 65k pointless IPIs.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/head64.S')
| -rw-r--r-- | arch/s390/kernel/head64.S | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index bdcb3f05bcd1..6a250808092b 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -62,9 +62,9 @@ startup_continue: clr %r11,%r12 je 5f # no more space in prefix array 4: - ahi %r8,1 # next cpu (r8 += 1) - cl %r8,.Llast_cpu-.LPG1(%r13) # is last possible cpu ? - jl 1b # jump if not last cpu + ahi %r8,1 # next cpu (r8 += 1) + chi %r8,MAX_CPU_ADDRESS # is last possible cpu ? + jle 1b # jump if not last cpu 5: lhi %r1,2 # mode 2 = esame (dump) j 6f @@ -130,8 +130,6 @@ startup_continue: #ifdef CONFIG_ZFCPDUMP .Lcurrent_cpu: .long 0x0 -.Llast_cpu: - .long 0x0000ffff .Lpref_arr_ptr: .long zfcpdump_prefix_array #endif /* CONFIG_ZFCPDUMP */ |