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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 10:27:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 10:27:10 -0700 |
| commit | 9fe3b64be3dc8313e9fa87255f169c608d074cbd (patch) | |
| tree | c2b44acdf73d0ee4cbb67cbb2722c6eeeafa1d60 /arch/s390/kernel/mem_detect.c | |
| parent | 8b6d8c592fa7b8bfb1218447a273314c13a67e8a (diff) | |
| parent | ab4227cb2d936886069ef1056c02500d05beb15d (diff) | |
| download | linux-9fe3b64be3dc8313e9fa87255f169c608d074cbd.tar.bz2 | |
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] qeth: avoid use of include/asm-s390
[S390] dont use kthread for smp_rescan_cpus().
[S390] virtio console: fix section mismatch warning.
[S390] cio: Include linux/string.h in schid.h.
[S390] qdio: fix section mismatch bug.
[S390] stp: fix section mismatch warning.
[S390] Remove diag 0x260 call from memory detection.
[S390] qdio: make sure qdr is aligned to page size
[S390] Add support for memory hot-remove.
[S390] Wire up new syscalls.
[S390] cio: Memory allocation for idset changed.
[S390] qeth: preallocated qeth header for hiper socket
[S390] Optimize storage key operations for anon pages
[S390] nohz/sclp: disable timer on synchronous waits.
[S390] ipl: Reboot from alternate device does not work when booting from file
[S390] dasd: Add support for enhanced VM UID
[S390] Remove last P390 trace.
Diffstat (limited to 'arch/s390/kernel/mem_detect.c')
| -rw-r--r-- | arch/s390/kernel/mem_detect.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/s390/kernel/mem_detect.c b/arch/s390/kernel/mem_detect.c index 18ed7abe16c5..9872999c66d1 100644 --- a/arch/s390/kernel/mem_detect.c +++ b/arch/s390/kernel/mem_detect.c @@ -9,27 +9,6 @@ #include <asm/sclp.h> #include <asm/setup.h> -static int memory_fast_detect(struct mem_chunk *chunk) -{ - unsigned long val0 = 0; - unsigned long val1 = 0xc; - int rc = -EOPNOTSUPP; - - if (ipl_flags & IPL_NSS_VALID) - return -EOPNOTSUPP; - asm volatile( - " diag %1,%2,0x260\n" - "0: lhi %0,0\n" - "1:\n" - EX_TABLE(0b,1b) - : "+d" (rc), "+d" (val0), "+d" (val1) : : "cc"); - - if (rc || val0 != val1) - return -EOPNOTSUPP; - chunk->size = val0 + 1; - return 0; -} - static inline int tprot(unsigned long addr) { int rc = -EFAULT; @@ -84,8 +63,6 @@ void detect_memory_layout(struct mem_chunk chunk[]) unsigned long flags, cr0; memset(chunk, 0, MEMORY_CHUNKS * sizeof(struct mem_chunk)); - if (memory_fast_detect(&chunk[0]) == 0) - return; /* Disable IRQs, DAT and low address protection so tprot does the * right thing and we don't get scheduled away with low address * protection disabled. |