diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-17 05:39:00 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-17 05:39:00 +0300 |
| commit | e2bddc20b562ee23046ad541cf29314e4aebd934 (patch) | |
| tree | 608da9a4721ec3b9b19f342f580793de6babef4e /drivers/hv | |
| parent | 6f24671485d0d0eaeaccd910fa8148db72aac089 (diff) | |
| parent | 83527ef7abf7c02c33a90b00f0954db35415adbd (diff) | |
| download | linux-e2bddc20b562ee23046ad541cf29314e4aebd934.tar.xz | |
Merge branch 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 hyperv updates from Ingo Molnar:
"Misc updates related to page size abstractions within the HyperV code,
in preparation for future features"
* 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
drivers: hv: vmbus: Replace page definition with Hyper-V specific one
x86/hyperv: Add functions to allocate/deallocate page for Hyper-V
x86/hyperv: Create and use Hyper-V page definitions
Diffstat (limited to 'drivers/hv')
| -rw-r--r-- | drivers/hv/hyperv_vmbus.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index fb16a622e8ab..50eaa1fd6e45 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -190,11 +190,11 @@ int hv_ringbuffer_read(struct vmbus_channel *channel, u64 *requestid, bool raw); /* - * Maximum channels is determined by the size of the interrupt page - * which is PAGE_SIZE. 1/2 of PAGE_SIZE is for send endpoint interrupt - * and the other is receive endpoint interrupt + * The Maximum number of channels (16348) is determined by the size of the + * interrupt page, which is HV_HYP_PAGE_SIZE. 1/2 of HV_HYP_PAGE_SIZE is to + * send endpoint interrupts, and the other is to receive endpoint interrupts. */ -#define MAX_NUM_CHANNELS ((PAGE_SIZE >> 1) << 3) /* 16348 channels */ +#define MAX_NUM_CHANNELS ((HV_HYP_PAGE_SIZE >> 1) << 3) /* The value here must be in multiple of 32 */ /* TODO: Need to make this configurable */ |