diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/microblaze/include/asm/system.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/system.h | 3 | ||||
| -rw-r--r-- | arch/s390/appldata/appldata_net_sum.c | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/system.h | 7 |
4 files changed, 9 insertions, 7 deletions
diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h index 48c4f0335e3f..81e1f7d5b4cb 100644 --- a/arch/microblaze/include/asm/system.h +++ b/arch/microblaze/include/asm/system.h @@ -101,10 +101,7 @@ extern struct dentry *of_debugfs_root; * MicroBlaze doesn't handle unaligned accesses in hardware. * * Based on this we force the IP header alignment in network drivers. - * We also modify NET_SKB_PAD to be a cacheline in size, thus maintaining - * cacheline alignment of buffers. */ #define NET_IP_ALIGN 2 -#define NET_SKB_PAD L1_CACHE_BYTES #endif /* _ASM_MICROBLAZE_SYSTEM_H */ diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h index a6297c67c3d6..6c294acac848 100644 --- a/arch/powerpc/include/asm/system.h +++ b/arch/powerpc/include/asm/system.h @@ -515,11 +515,8 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, * powers of 2 writes until it reaches sufficient alignment). * * Based on this we disable the IP header alignment in network drivers. - * We also modify NET_SKB_PAD to be a cacheline in size, thus maintaining - * cacheline alignment of buffers. */ #define NET_IP_ALIGN 0 -#define NET_SKB_PAD L1_CACHE_BYTES #define cmpxchg64(ptr, o, n) \ ({ \ diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c index 9a9586f4103f..f02e89ce4df1 100644 --- a/arch/s390/appldata/appldata_net_sum.c +++ b/arch/s390/appldata/appldata_net_sum.c @@ -85,7 +85,8 @@ static void appldata_get_net_sum_data(void *data) rcu_read_lock(); for_each_netdev_rcu(&init_net, dev) { - const struct net_device_stats *stats = dev_get_stats(dev); + struct rtnl_link_stats64 temp; + const struct net_device_stats *stats = dev_get_stats(dev, &temp); rx_packets += stats->rx_packets; tx_packets += stats->tx_packets; diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index b8fe48ee2ed9..1db9bd2281d7 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h @@ -457,4 +457,11 @@ static inline void rdtsc_barrier(void) alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); } +/* + * We handle most unaligned accesses in hardware. On the other hand + * unaligned DMA can be quite expensive on some Nehalem processors. + * + * Based on this we disable the IP header alignment in network drivers. + */ +#define NET_IP_ALIGN 0 #endif /* _ASM_X86_SYSTEM_H */ |