diff options
Diffstat (limited to '1000_linux-4.0.1.patch')
| -rw-r--r-- | 1000_linux-4.0.1.patch | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/1000_linux-4.0.1.patch b/1000_linux-4.0.1.patch deleted file mode 100644 index ac585520..00000000 --- a/1000_linux-4.0.1.patch +++ /dev/null @@ -1,479 +0,0 @@ -diff --git a/Makefile b/Makefile -index fbd43bfe4445..f499cd2f5738 100644 ---- a/Makefile -+++ b/Makefile -@@ -1,6 +1,6 @@ - VERSION = 4 - PATCHLEVEL = 0 --SUBLEVEL = 0 -+SUBLEVEL = 1 - EXTRAVERSION = - NAME = Hurr durr I'ma sheep - -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h -index 4085c4b31047..355d5fea5be9 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h -@@ -531,20 +531,8 @@ struct bnx2x_fastpath { - struct napi_struct napi; - - #ifdef CONFIG_NET_RX_BUSY_POLL -- unsigned int state; --#define BNX2X_FP_STATE_IDLE 0 --#define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */ --#define BNX2X_FP_STATE_POLL (1 << 1) /* poll owns this FP */ --#define BNX2X_FP_STATE_DISABLED (1 << 2) --#define BNX2X_FP_STATE_NAPI_YIELD (1 << 3) /* NAPI yielded this FP */ --#define BNX2X_FP_STATE_POLL_YIELD (1 << 4) /* poll yielded this FP */ --#define BNX2X_FP_OWNED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL) --#define BNX2X_FP_YIELD (BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD) --#define BNX2X_FP_LOCKED (BNX2X_FP_OWNED | BNX2X_FP_STATE_DISABLED) --#define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD) -- /* protect state */ -- spinlock_t lock; --#endif /* CONFIG_NET_RX_BUSY_POLL */ -+ unsigned long busy_poll_state; -+#endif - - union host_hc_status_block status_blk; - /* chip independent shortcuts into sb structure */ -@@ -619,104 +607,83 @@ struct bnx2x_fastpath { - #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats)) - - #ifdef CONFIG_NET_RX_BUSY_POLL --static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) -+ -+enum bnx2x_fp_state { -+ BNX2X_STATE_FP_NAPI = BIT(0), /* NAPI handler owns the queue */ -+ -+ BNX2X_STATE_FP_NAPI_REQ_BIT = 1, /* NAPI would like to own the queue */ -+ BNX2X_STATE_FP_NAPI_REQ = BIT(1), -+ -+ BNX2X_STATE_FP_POLL_BIT = 2, -+ BNX2X_STATE_FP_POLL = BIT(2), /* busy_poll owns the queue */ -+ -+ BNX2X_STATE_FP_DISABLE_BIT = 3, /* queue is dismantled */ -+}; -+ -+static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp) - { -- spin_lock_init(&fp->lock); -- fp->state = BNX2X_FP_STATE_IDLE; -+ WRITE_ONCE(fp->busy_poll_state, 0); - } - - /* called from the device poll routine to get ownership of a FP */ - static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) - { -- bool rc = true; -- -- spin_lock_bh(&fp->lock); -- if (fp->state & BNX2X_FP_LOCKED) { -- WARN_ON(fp->state & BNX2X_FP_STATE_NAPI); -- fp->state |= BNX2X_FP_STATE_NAPI_YIELD; -- rc = false; -- } else { -- /* we don't care if someone yielded */ -- fp->state = BNX2X_FP_STATE_NAPI; -+ unsigned long prev, old = READ_ONCE(fp->busy_poll_state); -+ -+ while (1) { -+ switch (old) { -+ case BNX2X_STATE_FP_POLL: -+ /* make sure bnx2x_fp_lock_poll() wont starve us */ -+ set_bit(BNX2X_STATE_FP_NAPI_REQ_BIT, -+ &fp->busy_poll_state); -+ /* fallthrough */ -+ case BNX2X_STATE_FP_POLL | BNX2X_STATE_FP_NAPI_REQ: -+ return false; -+ default: -+ break; -+ } -+ prev = cmpxchg(&fp->busy_poll_state, old, BNX2X_STATE_FP_NAPI); -+ if (unlikely(prev != old)) { -+ old = prev; -+ continue; -+ } -+ return true; - } -- spin_unlock_bh(&fp->lock); -- return rc; - } - --/* returns true is someone tried to get the FP while napi had it */ --static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) -+static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) - { -- bool rc = false; -- -- spin_lock_bh(&fp->lock); -- WARN_ON(fp->state & -- (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD)); -- -- if (fp->state & BNX2X_FP_STATE_POLL_YIELD) -- rc = true; -- -- /* state ==> idle, unless currently disabled */ -- fp->state &= BNX2X_FP_STATE_DISABLED; -- spin_unlock_bh(&fp->lock); -- return rc; -+ smp_wmb(); -+ fp->busy_poll_state = 0; - } - - /* called from bnx2x_low_latency_poll() */ - static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp) - { -- bool rc = true; -- -- spin_lock_bh(&fp->lock); -- if ((fp->state & BNX2X_FP_LOCKED)) { -- fp->state |= BNX2X_FP_STATE_POLL_YIELD; -- rc = false; -- } else { -- /* preserve yield marks */ -- fp->state |= BNX2X_FP_STATE_POLL; -- } -- spin_unlock_bh(&fp->lock); -- return rc; -+ return cmpxchg(&fp->busy_poll_state, 0, BNX2X_STATE_FP_POLL) == 0; - } - --/* returns true if someone tried to get the FP while it was locked */ --static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) -+static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) - { -- bool rc = false; -- -- spin_lock_bh(&fp->lock); -- WARN_ON(fp->state & BNX2X_FP_STATE_NAPI); -- -- if (fp->state & BNX2X_FP_STATE_POLL_YIELD) -- rc = true; -- -- /* state ==> idle, unless currently disabled */ -- fp->state &= BNX2X_FP_STATE_DISABLED; -- spin_unlock_bh(&fp->lock); -- return rc; -+ smp_mb__before_atomic(); -+ clear_bit(BNX2X_STATE_FP_POLL_BIT, &fp->busy_poll_state); - } - --/* true if a socket is polling, even if it did not get the lock */ -+/* true if a socket is polling */ - static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) - { -- WARN_ON(!(fp->state & BNX2X_FP_OWNED)); -- return fp->state & BNX2X_FP_USER_PEND; -+ return READ_ONCE(fp->busy_poll_state) & BNX2X_STATE_FP_POLL; - } - - /* false if fp is currently owned */ - static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp) - { -- int rc = true; -- -- spin_lock_bh(&fp->lock); -- if (fp->state & BNX2X_FP_OWNED) -- rc = false; -- fp->state |= BNX2X_FP_STATE_DISABLED; -- spin_unlock_bh(&fp->lock); -+ set_bit(BNX2X_STATE_FP_DISABLE_BIT, &fp->busy_poll_state); -+ return !bnx2x_fp_ll_polling(fp); - -- return rc; - } - #else --static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) -+static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp) - { - } - -@@ -725,9 +692,8 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) - return true; - } - --static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) -+static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) - { -- return false; - } - - static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp) -@@ -735,9 +701,8 @@ static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp) - return false; - } - --static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) -+static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) - { -- return false; - } - - static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c -index 0a9faa134a9a..2f63467bce46 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c -@@ -1849,7 +1849,7 @@ static void bnx2x_napi_enable_cnic(struct bnx2x *bp) - int i; - - for_each_rx_queue_cnic(bp, i) { -- bnx2x_fp_init_lock(&bp->fp[i]); -+ bnx2x_fp_busy_poll_init(&bp->fp[i]); - napi_enable(&bnx2x_fp(bp, i, napi)); - } - } -@@ -1859,7 +1859,7 @@ static void bnx2x_napi_enable(struct bnx2x *bp) - int i; - - for_each_eth_queue(bp, i) { -- bnx2x_fp_init_lock(&bp->fp[i]); -+ bnx2x_fp_busy_poll_init(&bp->fp[i]); - napi_enable(&bnx2x_fp(bp, i, napi)); - } - } -@@ -3191,9 +3191,10 @@ static int bnx2x_poll(struct napi_struct *napi, int budget) - } - } - -+ bnx2x_fp_unlock_napi(fp); -+ - /* Fall out from the NAPI loop if needed */ -- if (!bnx2x_fp_unlock_napi(fp) && -- !(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) { -+ if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) { - - /* No need to update SB for FCoE L2 ring as long as - * it's connected to the default SB and the SB -diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c -index f8528a4cf54f..fceb637efd6b 100644 ---- a/drivers/net/vxlan.c -+++ b/drivers/net/vxlan.c -@@ -1713,12 +1713,6 @@ static int vxlan6_xmit_skb(struct dst_entry *dst, struct sk_buff *skb, - } - } - -- skb = iptunnel_handle_offloads(skb, udp_sum, type); -- if (IS_ERR(skb)) { -- err = -EINVAL; -- goto err; -- } -- - skb_scrub_packet(skb, xnet); - - min_headroom = LL_RESERVED_SPACE(dst->dev) + dst->header_len -@@ -1738,6 +1732,12 @@ static int vxlan6_xmit_skb(struct dst_entry *dst, struct sk_buff *skb, - goto err; - } - -+ skb = iptunnel_handle_offloads(skb, udp_sum, type); -+ if (IS_ERR(skb)) { -+ err = -EINVAL; -+ goto err; -+ } -+ - vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh)); - vxh->vx_flags = htonl(VXLAN_HF_VNI); - vxh->vx_vni = md->vni; -@@ -1798,10 +1798,6 @@ int vxlan_xmit_skb(struct rtable *rt, struct sk_buff *skb, - } - } - -- skb = iptunnel_handle_offloads(skb, udp_sum, type); -- if (IS_ERR(skb)) -- return PTR_ERR(skb); -- - min_headroom = LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len - + VXLAN_HLEN + sizeof(struct iphdr) - + (skb_vlan_tag_present(skb) ? VLAN_HLEN : 0); -@@ -1817,6 +1813,10 @@ int vxlan_xmit_skb(struct rtable *rt, struct sk_buff *skb, - if (WARN_ON(!skb)) - return -ENOMEM; - -+ skb = iptunnel_handle_offloads(skb, udp_sum, type); -+ if (IS_ERR(skb)) -+ return PTR_ERR(skb); -+ - vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh)); - vxh->vx_flags = htonl(VXLAN_HF_VNI); - vxh->vx_vni = md->vni; -diff --git a/fs/exec.c b/fs/exec.c -index c7f9b733406d..00400cf522dc 100644 ---- a/fs/exec.c -+++ b/fs/exec.c -@@ -1265,6 +1265,53 @@ static void check_unsafe_exec(struct linux_binprm *bprm) - spin_unlock(&p->fs->lock); - } - -+static void bprm_fill_uid(struct linux_binprm *bprm) -+{ -+ struct inode *inode; -+ unsigned int mode; -+ kuid_t uid; -+ kgid_t gid; -+ -+ /* clear any previous set[ug]id data from a previous binary */ -+ bprm->cred->euid = current_euid(); -+ bprm->cred->egid = current_egid(); -+ -+ if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) -+ return; -+ -+ if (task_no_new_privs(current)) -+ return; -+ -+ inode = file_inode(bprm->file); -+ mode = READ_ONCE(inode->i_mode); -+ if (!(mode & (S_ISUID|S_ISGID))) -+ return; -+ -+ /* Be careful if suid/sgid is set */ -+ mutex_lock(&inode->i_mutex); -+ -+ /* reload atomically mode/uid/gid now that lock held */ -+ mode = inode->i_mode; -+ uid = inode->i_uid; -+ gid = inode->i_gid; -+ mutex_unlock(&inode->i_mutex); -+ -+ /* We ignore suid/sgid if there are no mappings for them in the ns */ -+ if (!kuid_has_mapping(bprm->cred->user_ns, uid) || -+ !kgid_has_mapping(bprm->cred->user_ns, gid)) -+ return; -+ -+ if (mode & S_ISUID) { -+ bprm->per_clear |= PER_CLEAR_ON_SETID; -+ bprm->cred->euid = uid; -+ } -+ -+ if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) { -+ bprm->per_clear |= PER_CLEAR_ON_SETID; -+ bprm->cred->egid = gid; -+ } -+} -+ - /* - * Fill the binprm structure from the inode. - * Check permissions, then read the first 128 (BINPRM_BUF_SIZE) bytes -@@ -1273,36 +1320,9 @@ static void check_unsafe_exec(struct linux_binprm *bprm) - */ - int prepare_binprm(struct linux_binprm *bprm) - { -- struct inode *inode = file_inode(bprm->file); -- umode_t mode = inode->i_mode; - int retval; - -- -- /* clear any previous set[ug]id data from a previous binary */ -- bprm->cred->euid = current_euid(); -- bprm->cred->egid = current_egid(); -- -- if (!(bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) && -- !task_no_new_privs(current) && -- kuid_has_mapping(bprm->cred->user_ns, inode->i_uid) && -- kgid_has_mapping(bprm->cred->user_ns, inode->i_gid)) { -- /* Set-uid? */ -- if (mode & S_ISUID) { -- bprm->per_clear |= PER_CLEAR_ON_SETID; -- bprm->cred->euid = inode->i_uid; -- } -- -- /* Set-gid? */ -- /* -- * If setgid is set but no group execute bit then this -- * is a candidate for mandatory locking, not a setgid -- * executable. -- */ -- if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) { -- bprm->per_clear |= PER_CLEAR_ON_SETID; -- bprm->cred->egid = inode->i_gid; -- } -- } -+ bprm_fill_uid(bprm); - - /* fill in binprm security blob */ - retval = security_bprm_set_creds(bprm); -diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c -index a28e09c7825d..36508e69e92a 100644 ---- a/kernel/bpf/verifier.c -+++ b/kernel/bpf/verifier.c -@@ -1380,7 +1380,8 @@ peek_stack: - /* tell verifier to check for equivalent states - * after every call and jump - */ -- env->explored_states[t + 1] = STATE_LIST_MARK; -+ if (t + 1 < insn_cnt) -+ env->explored_states[t + 1] = STATE_LIST_MARK; - } else { - /* conditional jump with two edges */ - ret = push_insn(t, t + 1, FALLTHROUGH, env); -diff --git a/net/core/skbuff.c b/net/core/skbuff.c -index 8e4ac97c8477..98d45fe72f51 100644 ---- a/net/core/skbuff.c -+++ b/net/core/skbuff.c -@@ -4169,19 +4169,21 @@ EXPORT_SYMBOL(skb_try_coalesce); - */ - void skb_scrub_packet(struct sk_buff *skb, bool xnet) - { -- if (xnet) -- skb_orphan(skb); - skb->tstamp.tv64 = 0; - skb->pkt_type = PACKET_HOST; - skb->skb_iif = 0; - skb->ignore_df = 0; - skb_dst_drop(skb); -- skb->mark = 0; - skb_sender_cpu_clear(skb); -- skb_init_secmark(skb); - secpath_reset(skb); - nf_reset(skb); - nf_reset_trace(skb); -+ -+ if (!xnet) -+ return; -+ -+ skb_orphan(skb); -+ skb->mark = 0; - } - EXPORT_SYMBOL_GPL(skb_scrub_packet); - -diff --git a/net/ipv4/geneve.c b/net/ipv4/geneve.c -index 5a4828ba05ad..a566a2e4715b 100644 ---- a/net/ipv4/geneve.c -+++ b/net/ipv4/geneve.c -@@ -113,10 +113,6 @@ int geneve_xmit_skb(struct geneve_sock *gs, struct rtable *rt, - int min_headroom; - int err; - -- skb = udp_tunnel_handle_offloads(skb, csum); -- if (IS_ERR(skb)) -- return PTR_ERR(skb); -- - min_headroom = LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len - + GENEVE_BASE_HLEN + opt_len + sizeof(struct iphdr) - + (skb_vlan_tag_present(skb) ? VLAN_HLEN : 0); -@@ -131,6 +127,10 @@ int geneve_xmit_skb(struct geneve_sock *gs, struct rtable *rt, - if (unlikely(!skb)) - return -ENOMEM; - -+ skb = udp_tunnel_handle_offloads(skb, csum); -+ if (IS_ERR(skb)) -+ return PTR_ERR(skb); -+ - gnvh = (struct genevehdr *)__skb_push(skb, sizeof(*gnvh) + opt_len); - geneve_build_header(gnvh, tun_flags, vni, opt_len, opt); - -diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c -index 1db253e36045..d520492ba698 100644 ---- a/net/ipv4/tcp_output.c -+++ b/net/ipv4/tcp_output.c -@@ -2929,6 +2929,8 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, - } - #endif - -+ /* Do not fool tcpdump (if any), clean our debris */ -+ skb->tstamp.tv64 = 0; - return skb; - } - EXPORT_SYMBOL(tcp_make_synack); |