diff options
| author |   Sebastian Ott <sebott@linux.ibm.com> | 2019-02-26 16:07:32 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-04-29 10:47:01 +0200 |
| commit | fbfe07d440f2c55070a0358f66560bb4f9fb92e7 (patch) | |
| tree | f5c7e9d68381f75f625126383c4a8b77c386f657 /arch/s390/pci/pci.c | |
| parent | s390/pci: gather statistics for floating vs directed irqs (diff) | |
| download | linux-dev-fbfe07d440f2c55070a0358f66560bb4f9fb92e7.tar.xz linux-dev-fbfe07d440f2c55070a0358f66560bb4f9fb92e7.zip | |
s390/pci: add parameter to force floating irqs
Provide a kernel parameter to force the usage of floating interrupts.
Signed-off-by: Sebastian Ott <sebott@linux.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 716e773af788..db096fd16f46 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -741,6 +741,7 @@ static void zpci_mem_exit(void) } static unsigned int s390_pci_probe __initdata = 1; +unsigned int s390_pci_force_floating __initdata; static unsigned int s390_pci_initialized; char * __init pcibios_setup(char *str) @@ -749,6 +750,10 @@ char * __init pcibios_setup(char *str) s390_pci_probe = 0; return NULL; } + if (!strcmp(str, "force_floating")) { + s390_pci_force_floating = 1; + return NULL; + } return str; } |