[tip:x86/urgent] x86/tsc: Prevent 32bit truncation in calc_hpet_ref()

2018-04-17 Thread tip-bot for Xiaoming Gao
Commit-ID: d3878e164dcd3925a237a20e879432400e369172 Gitweb: https://git.kernel.org/tip/d3878e164dcd3925a237a20e879432400e369172 Author: Xiaoming Gao AuthorDate: Fri, 13 Apr 2018 17:48:08 +0800 Committer: Thomas Gleixner CommitDate: Tue, 17 Apr 2018 11:50:42 +0200 x86/tsc: Prevent

[PATCH] x86/tsc: fix 64bit divisor be truncated in calc_hpet_ref

2018-04-13 Thread Xiaoming Gao
From ba3d2fb699c4d8ee61b05d7e70be48b9c4e22baf Mon Sep 17 00:00:00 2001 From: Xiaoming Gao Date: Fri, 13 Apr 2018 17:05:18 +0800 Subject: [PATCH] x86/tsc: fix 64bit divisor be truncated in calc_hpet_ref the HPET frequency got larger on intel skylake, thus could cause tmp to exceed 32bits. do_div

Re: [PATCH] net bridge: add null pointer check, fix panic

2013-06-20 Thread xiaoming gao
Eric Dumazet said, at 2013-6-20 15:29: > On Thu, 2013-06-20 at 15:00 +0800, xiaoming gao wrote: > >> HI Eric >> the problem is as follow: >> br_del_if()-->del_nbp(): >> >> list_del_rcu(&p->list); >> dev->priv_flags &= ~IFF_BRIDGE_PORT;

Re: [PATCH] net bridge: add null pointer check, fix panic

2013-06-20 Thread xiaoming gao
Eric Dumazet said, at 2013-6-20 12:55: > On Thu, 2013-06-20 at 11:08 +0800, xiaoming gao wrote: >> From: newtongao >> Date: Wed, 19 Jun 2013 14:58:33 +0800 >> Subject: [PATCH] net bridge: add null pointer check,fix panic >> >> in kernel 3.0, br_port_get_r

[PATCH] net bridge: add null pointer check, fix panic

2013-06-19 Thread xiaoming gao
85 60 ff ff ff 48 8b 05 e1 [1002132.920864] RIP [] br_handle_frame+0x107/0x260 [1002132.995296] RSP [1002133.038735] CR2: 0021 Signed-off-by: Xiaoming Gao --- net/bridge/br_input.c |5 - 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/net/bridge/br_input.c b/net/