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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2015-04-10 14:33:08 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-04-15 12:23:52 +0200 |
| commit | 6001018ae8c659e624351d2e73b1272bacd68d6a (patch) | |
| tree | 5a489e3a6a65ca05d1b15a27c4f425f8181ca807 /arch/s390/pci/pci.c | |
| parent | df3044f1ef002c2269b11cb76a1b2bec629732b4 (diff) | |
| download | linux-6001018ae8c659e624351d2e73b1272bacd68d6a.tar.gz linux-6001018ae8c659e624351d2e73b1272bacd68d6a.tar.bz2 linux-6001018ae8c659e624351d2e73b1272bacd68d6a.zip | |
s390/pci: extract software counters from fmb
The software counters are not a part of the function measurement
block. Also we do not check for zdev->fmb != NULL when using these
counters (function measurement can be toggled at runtime). Just move
the software counters to struct zpci_dev.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/pci/pci.c')
| -rw-r--r-- | arch/s390/pci/pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 98336200c7b2..281893864e1b 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -190,6 +190,11 @@ int zpci_fmb_enable_device(struct zpci_dev *zdev) return -ENOMEM; WARN_ON((u64) zdev->fmb & 0xf); + /* reset software counters */ + atomic64_set(&zdev->allocated_pages, 0); + atomic64_set(&zdev->mapped_pages, 0); + atomic64_set(&zdev->unmapped_pages, 0); + args.fmb_addr = virt_to_phys(zdev->fmb); return mod_pci(zdev, ZPCI_MOD_FC_SET_MEASURE, 0, &args); } |