Messages in this thread Patch in this message | | | Date | Thu, 6 Jun 2019 08:06:57 +0000 | From | Maya Nakamura <> | Subject | [PATCH v2 3/5] hv: vmbus: Replace page definition with Hyper-V specific one |
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Replace PAGE_SIZE with HV_HYP_PAGE_SIZE because the guest page size may not be 4096 on all architectures and Hyper-V always runs with a page size of 4096.
Signed-off-by: Maya Nakamura <m.maya.nakamura@gmail.com> --- drivers/hv/hyperv_vmbus.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index e5467b821f41..5489b061d261 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -208,11 +208,11 @@ 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 + * Maximum 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 + * interrupt, and the other is to receive endpoint interrupt. */ -#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 */ -- 2.17.1
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