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| author |   Frederic Barrat <fbarrat@linux.vnet.ibm.com> | 2016-03-04 12:26:30 +0100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-03-09 13:05:47 +1100 |
| commit | ea2d1f95efd7c100617235918bac370414aec1ad (patch) | |
| tree | 5382eaa83971ba74c3f28e7d0900c7cf0b7b7b01 /drivers/misc/cxl/debugfs.c | |
| parent | cxl: Rename some bare-metal specific functions (diff) | |
| download | linux-dev-ea2d1f95efd7c100617235918bac370414aec1ad.tar.xz linux-dev-ea2d1f95efd7c100617235918bac370414aec1ad.zip | |
cxl: Isolate a few bare-metal-specific calls
A few functions are mostly common between bare-metal and guest and
just need minor tuning. To avoid crowding the backend API, introduce a
few 'if' based on the CPU being in HV mode.
Co-authored-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc/cxl/debugfs.c')
| -rw-r--r-- | drivers/misc/cxl/debugfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/cxl/debugfs.c b/drivers/misc/cxl/debugfs.c index 18df6f44af2a..5751899e0c17 100644 --- a/drivers/misc/cxl/debugfs.c +++ b/drivers/misc/cxl/debugfs.c @@ -118,6 +118,10 @@ void cxl_debugfs_afu_remove(struct cxl_afu *afu) int __init cxl_debugfs_init(void) { struct dentry *ent; + + if (!cpu_has_feature(CPU_FTR_HVMODE)) + return 0; + ent = debugfs_create_dir("cxl", NULL); if (IS_ERR(ent)) return PTR_ERR(ent); |