diff options
| author | Marcel Huber | 2016-08-02 15:52:23 +0200 |
|---|---|---|
| committer | Marcel Huber | 2016-08-05 08:18:28 +0200 |
| commit | ec74303d1f40e37209d71a7fff32ad9c9e70b2e6 (patch) | |
| tree | 724fdf4881d48f4dbdc6f8ef9245af445f359f91 /mpss-modules-rcu-lockup.patch | |
| parent | fc830822e0e7c5ec00455ffbd63203e04a4d27b7 (diff) | |
| download | aur-ec74303d1f40e37209d71a7fff32ad9c9e70b2e6.tar.gz | |
build everything needed to start using the card
- not use github repos but patch files directly
- added download urls
- as we already need to have all three *master* tar files present, it is
easier to apply changes directly
Diffstat (limited to 'mpss-modules-rcu-lockup.patch')
| -rw-r--r-- | mpss-modules-rcu-lockup.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/mpss-modules-rcu-lockup.patch b/mpss-modules-rcu-lockup.patch new file mode 100644 index 000000000000..61a9975fd8d9 --- /dev/null +++ b/mpss-modules-rcu-lockup.patch @@ -0,0 +1,45 @@ +From ab23490f38613aa80cfa811b384f29094b5f3672 Mon Sep 17 00:00:00 2001 +From: Marcel Huber <marcelhuberfoo@gmail.com> +Date: Thu, 4 Aug 2016 13:33:05 +0200 +Subject: remove rcu_lockup + https://github.com/bradyjoh/mpss-modules/commit/70560c893e8acc8d834f04dd2eee0d9e1780c840 + +--- + host/vhost/vhost.h | 14 +------------- + 1 file changed, 1 insertion(+), 13 deletions(-) + +diff --git host/vhost/vhost.h host/vhost/vhost.h +index ad61802..0d9abf9 100644 +--- mpss-modules/host/vhost/vhost.h ++++ mpss-modules/host/vhost/vhost.h +@@ -205,18 +205,6 @@ int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq); + eventfd_signal((vq)->error_ctx, 1);\ + } while (0) + +-#ifndef __rcu_dereference_index_check +-#define __rcu_dereference_index_check(p, c) \ +- ({ \ +- typeof(p) _________p1 = ACCESS_ONCE(p); \ +- rcu_lockdep_assert(c, \ +- "suspicious rcu_dereference_index_check()" \ +- " usage"); \ +- smp_read_barrier_depends(); \ +- (_________p1); \ +- }) +-#endif +- + enum { + VHOST_FEATURES = (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | + (1ULL << VIRTIO_RING_F_INDIRECT_DESC) | +@@ -238,7 +226,7 @@ static inline int vhost_has_feature(struct vhost_dev *dev, int bit) + #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)) + unsigned acked_features = rcu_dereference_index_check(dev->acked_features, rcu_read_lock_held()); + #else +- unsigned acked_features = __rcu_dereference_index_check(dev->acked_features, rcu_read_lock_held()); ++ unsigned acked_features = smp_load_acquire(&(dev->acked_features)); + #endif + #endif + return acked_features & (1 << bit); +-- +2.9.2 + |