linux/debian/patches/bugfix/all/ib-fix-rdma_rxe-and-infinib...

50 lines
1.7 KiB
Diff

From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 9 May 2018 22:31:41 +0100
Subject: IB: Fix RDMA_RXE and INFINIBAND_RDMAVT dependencies for DMA_VIRT_OPS
DMA_VIRT_OPS requires that dma_addr_t is at least as wide as a
pointer, which is expressed as a dependency on !64BIT ||
ARCH_DMA_ADDR_T_64BIT.
For parisc64 this is not true, and if these IB modules are enabled,
kconfig warns:
WARNING: unmet direct dependencies detected for DMA_VIRT_OPS
Depends on [n]: HAS_DMA [=y] && (!64BIT [=y] || ARCH_DMA_ADDR_T_64BIT)
Selected by [m]:
- INFINIBAND_RDMAVT [=m] && INFINIBAND [=m] && 64BIT [=y] && PCI [=y]
- RDMA_RXE [=m] && INET [=y] && PCI [=y] && INFINIBAND [=m]
Add dependencies to fix this.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/infiniband/sw/rdmavt/Kconfig | 2 +-
drivers/infiniband/sw/rxe/Kconfig | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/rdmavt/Kconfig b/drivers/infiniband/sw/rdmavt/Kconfig
index 2b5513da7e83..98e798007f75 100644
--- a/drivers/infiniband/sw/rdmavt/Kconfig
+++ b/drivers/infiniband/sw/rdmavt/Kconfig
@@ -1,6 +1,6 @@
config INFINIBAND_RDMAVT
tristate "RDMA verbs transport library"
- depends on 64BIT
+ depends on 64BIT && ARCH_DMA_ADDR_T_64BIT
depends on PCI
select DMA_VIRT_OPS
---help---
diff --git a/drivers/infiniband/sw/rxe/Kconfig b/drivers/infiniband/sw/rxe/Kconfig
index bad4a576d7cf..67ae960ab523 100644
--- a/drivers/infiniband/sw/rxe/Kconfig
+++ b/drivers/infiniband/sw/rxe/Kconfig
@@ -1,6 +1,7 @@
config RDMA_RXE
tristate "Software RDMA over Ethernet (RoCE) driver"
depends on INET && PCI && INFINIBAND
+ depends on !64BIT || ARCH_DMA_ADDR_T_64BIT
select NET_UDP_TUNNEL
select CRYPTO_CRC32
select DMA_VIRT_OPS