From: Willy Tarreau <w@1wt.eu>
To: Andi Kleen <andi@firstfloor.org>
Cc: Ben Hutchings <ben@decadent.org.uk>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Andy Lutomirski <luto@amacapital.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [ 05/48] x86_64, switch_to(): Load TLS descriptors before switching DS and ES
Date: Fri, 15 May 2015 18:48:36 +0200 [thread overview]
Message-ID: <20150515164836.GA31325@1wt.eu> (raw)
In-Reply-To: <20150515155334.GC19417@two.firstfloor.org>
On Fri, May 15, 2015 at 05:53:34PM +0200, Andi Kleen wrote:
> >
> > v2.6.32.65:arch/x86/kernel/process_64.c:425: /* Must be after DS reload */
> >
> > If this comment is correct then the patch will cause a regression for
> > FPU state management. The comment was introduced by:
>
> Yes I already stated before that these super-risky patches
> are not stable material.
OK thank you Andi, I'm dropping it from -32 then.
Willy
next prev parent reply other threads:[~2015-05-15 16:48 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <9c2783dfae10ef2d1e9b08bcc1e562c5@local>
2015-05-15 8:05 ` [ 00/48] 2.6.32.66-longterm review Willy Tarreau
2015-05-15 8:05 ` [ 01/48] x86/asm/traps: Disable tracing and kprobes in fixup_bad_iret and sync_regs Willy Tarreau
2015-05-15 8:05 ` [ 02/48] x86/tls: Validate TLS entries to protect espfix Willy Tarreau
2015-05-15 8:05 ` [ 03/48] x86, tls, ldt: Stop checking lm in LDT_empty Willy Tarreau
2015-05-15 8:05 ` [ 04/48] x86, tls: Interpret an all-zero struct user_desc as "no segment" Willy Tarreau
2015-05-15 8:05 ` [ 05/48] x86_64, switch_to(): Load TLS descriptors before switching DS and ES Willy Tarreau
2015-05-15 12:32 ` Ben Hutchings
2015-05-15 13:38 ` Willy Tarreau
2015-05-15 14:25 ` Ben Hutchings
2015-05-15 14:31 ` Ben Hutchings
2015-05-15 14:37 ` Willy Tarreau
2015-05-15 15:53 ` Andi Kleen
2015-05-15 16:48 ` Willy Tarreau [this message]
2015-05-15 20:53 ` Ben Hutchings
2015-05-15 22:15 ` Andi Kleen
2015-05-15 8:05 ` [ 06/48] x86/tls: Disallow unusual TLS segments Willy Tarreau
2015-05-15 8:05 ` [ 07/48] x86/tls: Dont validate lm in set_thread_area() after all Willy Tarreau
2015-05-15 8:05 ` [ 08/48] x86, kvm: Clear paravirt_enabled on KVM guests for espfix32s benefit Willy Tarreau
2015-05-15 8:05 ` [ 09/48] x86_64, vdso: Fix the vdso address randomization algorithm Willy Tarreau
2015-05-15 21:02 ` Ben Hutchings
2015-05-15 8:05 ` [ 10/48] ASLR: fix stack randomization on 64-bit systems Willy Tarreau
2015-05-15 8:05 ` [ 11/48] x86, cpu, amd: Add workaround for family 16h, erratum 793 Willy Tarreau
2015-05-15 8:05 ` [ 12/48] x86/asm/entry/64: Remove a bogus ret_from_fork optimization Willy Tarreau
2015-05-15 8:05 ` [ 13/48] x86: Conditionally update time when ack-ing pending irqs Willy Tarreau
2015-05-15 8:05 ` [ 14/48] serial: samsung: wait for transfer completion before clock disable Willy Tarreau
2015-05-15 8:05 ` [ 15/48] splice: Apply generic position and size checks to each write Willy Tarreau
2015-05-15 8:05 ` [ 16/48] netfilter: conntrack: disable generic tracking for known protocols Willy Tarreau
2015-05-15 21:05 ` Ben Hutchings
2015-05-15 8:05 ` [ 17/48] isofs: Fix infinite looping over CE entries Willy Tarreau
2015-05-15 8:05 ` [ 18/48] isofs: Fix unchecked printing of ER records Willy Tarreau
2015-05-15 8:05 ` [ 19/48] net: sctp: fix memory leak in auth key management Willy Tarreau
2015-05-15 8:05 ` [ 20/48] net: sctp: fix slab corruption from use after free on INIT collisions Willy Tarreau
2015-05-15 8:05 ` [ 21/48] IB/uverbs: Prevent integer overflow in ib_umem_get address arithmetic Willy Tarreau
2015-05-15 8:05 ` [ 22/48] net: llc: use correct size for sysctl timeout entries Willy Tarreau
2015-05-15 8:05 ` [ 23/48] net: rds: use correct size for max unacked packets and bytes Willy Tarreau
2015-05-15 8:05 ` [ 24/48] ipv6: Dont reduce hop limit for an interface Willy Tarreau
2015-05-15 8:05 ` [ 25/48] fs: take i_mutex during prepare_binprm for set[ug]id executables Willy Tarreau
2015-05-15 8:05 ` [ 26/48] net:socket: set msg_namelen to 0 if msg_name is passed as NULL in msghdr struct from userland Willy Tarreau
2015-05-15 21:08 ` Ben Hutchings
2015-05-16 5:31 ` Willy Tarreau
2015-05-15 8:05 ` [ 27/48] ppp: deflate: never return len larger than output buffer Willy Tarreau
2015-05-15 8:05 ` [ 29/48] net: reject creation of netdev names with colons Willy Tarreau
2015-05-15 8:06 ` [ 30/48] ipv4: Dont use ufo handling on later transformed packets Willy Tarreau
2015-05-15 8:06 ` [ 31/48] udp: only allow UFO for packets from SOCK_DGRAM sockets Willy Tarreau
2015-05-15 8:06 ` [ 32/48] net: avoid to hang up on sending due to sysctl configuration overflow Willy Tarreau
2015-05-15 8:06 ` [ 33/48] net: sysctl_net_core: check SNDBUF and RCVBUF for min length Willy Tarreau
2015-05-15 8:06 ` [ 34/48] rds: avoid potential stack overflow Willy Tarreau
2015-05-15 8:06 ` [ 35/48] rxrpc: bogus MSG_PEEK test in rxrpc_recvmsg() Willy Tarreau
2015-05-15 8:06 ` [ 36/48] tcp: make connect() mem charging friendly Willy Tarreau
2015-05-15 8:06 ` [ 37/48] ip_forward: Drop frames with attached skb->sk Willy Tarreau
2015-05-15 8:06 ` [ 38/48] tcp: avoid looping in tcp_send_fin() Willy Tarreau
2015-05-15 8:06 ` [ 39/48] spi: spidev: fix possible arithmetic overflow for multi-transfer message Willy Tarreau
2015-05-15 8:06 ` [ 40/48] IB/core: Avoid leakage from kernel to user space Willy Tarreau
2015-05-15 8:06 ` [ 41/48] ipvs: uninitialized data with IP_VS_IPV6 Willy Tarreau
2015-05-15 8:06 ` [ 42/48] ipv4: fix nexthop attlen check in fib_nh_match Willy Tarreau
2015-05-15 8:06 ` [ 43/48] pagemap: do not leak physical addresses to non-privileged userspace Willy Tarreau
2015-05-15 8:06 ` [ 44/48] lockd: Try to reconnect if statd has moved Willy Tarreau
2015-05-15 8:06 ` [ 45/48] scsi: Fix error handling in SCSI_IOCTL_SEND_COMMAND Willy Tarreau
2015-05-15 8:06 ` [ 46/48] posix-timers: Fix stack info leak in timer_create() Willy Tarreau
2015-05-15 8:06 ` [ 47/48] hfsplus: fix B-tree corruption after insertion at position 0 Willy Tarreau
2015-05-15 8:06 ` [ 48/48] sound/oss: fix deadlock in sequencer_ioctl(SNDCTL_SEQ_OUTOFBAND) Willy Tarreau
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