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Groups > linux.kernel > #1620109

[PATCH 3.12 039/142] give up on gcc ilog2() constant optimizations

From Jiri Slaby <jslaby@suse.cz>
Newsgroups linux.kernel
Subject [PATCH 3.12 039/142] give up on gcc ilog2() constant optimizations
Date 2017-04-10 18:00 +0200
Message-ID <tuJTs-2D4-7@gated-at.bofh.it> (permalink)
References <tuJA6-2uY-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Linus Torvalds <torvalds@linux-foundation.org>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 474c90156c8dcc2fa815e6716cc9394d7930cb9c upstream.

gcc-7 has an "optimization" pass that completely screws up, and
generates the code expansion for the (impossible) case of calling
ilog2() with a zero constant, even when the code gcc compiles does not
actually have a zero constant.

And we try to generate a compile-time error for anybody doing ilog2() on
a constant where that doesn't make sense (be it zero or negative).  So
now gcc7 will fail the build due to our sanity checking, because it
created that constant-zero case that didn't actually exist in the source
code.

There's a whole long discussion on the kernel mailing about how to work
around this gcc bug.  The gcc people themselevs have discussed their
"feature" in

   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72785

but it's all water under the bridge, because while it looked at one
point like it would be solved by the time gcc7 was released, that was
not to be.

So now we have to deal with this compiler braindamage.

And the only simple approach seems to be to just delete the code that
tries to warn about bad uses of ilog2().

So now "ilog2()" will just return 0 not just for the value 1, but for
any non-positive value too.

It's not like I can recall anybody having ever actually tried to use
this function on any invalid value, but maybe the sanity check just
meant that such code never made it out in public.

[js] no tools/include/linux/log2.h copy of that yet

Reported-by: Laura Abbott <labbott@redhat.com>
Cc: John Stultz <john.stultz@linaro.org>,
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 include/linux/log2.h | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/include/linux/log2.h b/include/linux/log2.h
index fd7ff3d91e6a..f38fae23bdac 100644
--- a/include/linux/log2.h
+++ b/include/linux/log2.h
@@ -16,12 +16,6 @@
 #include <linux/bitops.h>
 
 /*
- * deal with unrepresentable constant logarithms
- */
-extern __attribute__((const, noreturn))
-int ____ilog2_NaN(void);
-
-/*
  * non-constant log of base 2 calculators
  * - the arch may override these in asm/bitops.h if they can be implemented
  *   more efficiently than using fls() and fls64()
@@ -85,7 +79,7 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
 #define ilog2(n)				\
 (						\
 	__builtin_constant_p(n) ? (		\
-		(n) < 1 ? ____ilog2_NaN() :	\
+		(n) < 2 ? 0 :			\
 		(n) & (1ULL << 63) ? 63 :	\
 		(n) & (1ULL << 62) ? 62 :	\
 		(n) & (1ULL << 61) ? 61 :	\
@@ -148,10 +142,7 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
 		(n) & (1ULL <<  4) ?  4 :	\
 		(n) & (1ULL <<  3) ?  3 :	\
 		(n) & (1ULL <<  2) ?  2 :	\
-		(n) & (1ULL <<  1) ?  1 :	\
-		(n) & (1ULL <<  0) ?  0 :	\
-		____ilog2_NaN()			\
-				   ) :		\
+		1 ) :				\
 	(sizeof(n) <= 4) ?			\
 	__ilog2_u32(n) :			\
 	__ilog2_u64(n)				\
-- 
2.12.2

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[PATCH 3.12 001/142] dm: flush queued bios when process blocks to avoid deadlock Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 092/142] ext4: mark inode dirty after converting inline directory Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 134/142] ipv4: igmp: Allow removing groups from a removed interface Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 113/142] ALSA: seq: Fix race during FIFO resize Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 129/142] ACPI / PNP: Avoid conflicting resource reservations Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 123/142] padata: avoid race in reordering Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 135/142] HID: hid-lg: Fix immediate disconnection of Logitech Rumblepad 2 Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 142/142] tty/serial: atmel: fix race condition (TX+DMA) Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 131/142] ACPI / PNP: Reserve ACPI resources at the fs_initcall_sync stage Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 133/142] i2c: at91: manage unexpected RXRDY flag when starting a transfer Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 114/142] ACPI: Fix incompatibility with mcount-based function graph tracing Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 130/142] ACPI / resources: free memory on error in add_region_before() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:40 +0200
  [PATCH 3.12 115/142] USB: fix linked-list corruption in rh_call_control() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 093/142] mmc: sdhci: Do not disable interrupts while waiting for clock Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 105/142] sparc/ptrace: Preserve previous registers for short regset write Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 121/142] rtc: s35390a: improve irq handling Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 112/142] scsi: libsas: fix ata xfer length Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 109/142] sched/rt: Add a missing rescheduling point Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 111/142] scsi: mpt3sas: fix hang on ata passthrough commands Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 088/142] usb: hub: Fix crash after failure to read BOS descriptor Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 103/142] virtio_balloon: init 1st buffer in stats vq Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 100/142] crypto: algif_hash - avoid zero-sized array Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 122/142] KVM: kvm_io_bus_unregister_dev() should never fail Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 097/142] block: allow WRITE_SAME commands with the SG_IO ioctl Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 116/142] KVM: x86: clear bus pointer when destroyed Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 099/142] fbcon: Fix vc attr at deinit Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 089/142] uwb: i1480-dfu: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 081/142] USB: serial: option: add Quectel UC15, UC20, EC21, and EC25 modems Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 079/142] Input: kbtab - validate number of endpoints before using them Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 094/142] nl80211: fix dumpit error path RTNL deadlocks Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 118/142] rtc: s35390a: fix reading out alarm Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 101/142] xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL replay_window Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 083/142] ACM gadget: fix endianness in notifications Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 102/142] xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 095/142] USB: usbtmc: add missing endpoint sanity check Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 120/142] rtc: s35390a: implement reset routine as suggested by the reference Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 096/142] xfs: clear _XBF_PAGES from buffers when readahead page Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 106/142] metag/ptrace: Preserve previous registers for short regset write Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 110/142] libceph: force GFP_NOIO for socket allocations Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 107/142] metag/ptrace: Provide default TXSTATUS for short NT_PRSTATUS Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 090/142] uwb: hwa-rc: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 108/142] metag/ptrace: Reject partial NT_METAG_RPIPE writes Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 098/142] uvcvideo: uvc_scan_fallback() for webcams with broken chain Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 104/142] c6x/ptrace: Remove useless PTRACE_SETREGSET implementation Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 091/142] mmc: ushc: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 117/142] mm, hugetlb: use pte_present() instead of pmd_present() in follow_huge_pmd() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 126/142] Revert "cpufreq: fix garbage kobjects on errors during suspend/resume" Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 119/142] rtc: s35390a: make sure all members in the output are set Jiri Slaby <jslaby@suse.cz> - 2017-04-10 17:50 +0200
  [PATCH 3.12 080/142] ALSA: seq: Fix racy cell insertions during snd_seq_pool_done() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 059/142] igb: add i211 to i210 PHY workaround Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 039/142] give up on gcc ilog2() constant optimizations Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 087/142] USB: wusbcore: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 069/142] USB: qcserial: add Sierra Wireless MC74xx/EM74xx Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 068/142] USB: qcserial: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 078/142] Input: cm109 - validate number of endpoints before using them Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 073/142] Input: i8042 - add noloop quirk for Dell Embedded Box PC 3000 Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 070/142] USB: qcserial: Add support for Quectel EC20 Mini PCIe module Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 067/142] USB: qcserial: Add support for Dell Wireless 5809e 4G Modem Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 046/142] ACPI / video: skip evaluating _DOD when it does not exist Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 086/142] USB: idmouse: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 052/142] perf/core: Fix event inheritance on fork() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 074/142] Input: iforce - validate number of endpoints before using them Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 065/142] tcp: initialize icsk_ack.lrcvtime at session start time Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 064/142] ipv4: provide stronger user input validation in nl_fib_input() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 060/142] net: properly release sk_frag.page Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 076/142] Input: hanwang - validate number of endpoints before using them Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 058/142] igb: Workaround for igb i210 firmware issue Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 066/142] libceph: don't set weight to IN when OSD is destroyed Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 082/142] USB: serial: qcserial: add Dell DW5811e Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 075/142] Input: ims-pcu - validate number of endpoints before using them Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 072/142] USB: qcserial: add Sierra Wireless EM74xx device ID Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 077/142] Input: yealink - validate number of endpoints before using them Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 071/142] USB: qcserial: add Dell Wireless 5809e Gobi 4G HSPA+ (rev3) Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 084/142] usb-core: Add LINEAR_FRAME_INTR_BINTERVAL USB quirk Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 085/142] USB: uss720: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 063/142] net/mlx5: Increase number of max QPs in default profile Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 049/142] KVM: PPC: Book3S PR: Fix illegal opcode emulation Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:00 +0200
  [PATCH 3.12 038/142] futex: Add missing error handling to FUTEX_REQUEUE_PI Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 034/142] dccp/tcp: fix routing redirect race Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 062/142] qmi_wwan: add Dell DW5811e Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 061/142] net: unix: properly re-increment inflight counter of GC discarded candidates Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 045/142] crypto: cryptd - Assign statesize properly Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 033/142] ipv6: avoid write to a possibly cloned skb Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 030/142] dccp: Unlock sock before calling sk_free() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 048/142] Drivers: hv: avoid vfree() on crash Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 055/142] scsi: lpfc: Add shutdown method for kexec Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 043/142] netlink: remove mmapped netlink support Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 028/142] net: don't call strlen() on the user buffer in packet_bind_spkt() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 032/142] uapi: fix linux/packet_diag.h userspace compilation error Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 053/142] cpufreq: Fix and clean up show_cpuinfo_cur_freq() Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 054/142] target/pscsi: Fix TYPE_TAPE + TYPE_MEDIMUM_CHANGER export Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 051/142] kernek/fork.c: allocate idle task for a CPU always on its local node Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 056/142] isdn/gigaset: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 026/142] ipv4: mask tos for input route Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 041/142] xfs: fix up xfs_swap_extent_forks inline extent handling Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 044/142] crypto: ghash-clmulni - Fix load failure Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 057/142] xen: do not re-use pirq number cached in pci device msi msg data Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 036/142] net sched actions: decrement module reference count after table flush. Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 047/142] Drivers: hv: balloon: don't crash when memory is added in non-sorted order Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 050/142] s390/pci: fix use after free in dma_init Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:10 +0200
  [PATCH 3.12 024/142] locking/static_keys: Add static_key_{en,dis}able() helpers Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 012/142] cpmac: remove hopeless #warning Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 035/142] dccp: fix memory leak during tear-down of unsuccessful connection request Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 017/142] USB: serial: safe_serial: fix information leak in completion handler Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 019/142] USB: iowarrior: fix NULL-deref at probe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 015/142] usb: dwc3: gadget: make Set Endpoint Configuration macros safe Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 018/142] USB: serial: omninet: fix reference leaks at open Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 005/142] USB: serial: digi_acceleport: fix OOB data sanity check Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 029/142] net: net_enable_timestamp() can be called from irq contexts Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 004/142] xhci: fix 10 second timeout on removal of PCI hotpluggable xhci controllers Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 016/142] usb: host: xhci-plat: Fix timeout on removal of hot pluggable xhci controllers Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 007/142] crypto: improve gcc optimization flags for serpent and wp512 Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 013/142] MIPS: DEC: Avoid la pseudo-instruction in delay slots Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 025/142] vxlan: correctly validate VXLAN ID against VXLAN_N_VID Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 014/142] tracing: Add #undef to fix compile error Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 002/142] xfs: pass total block res. as total xfs_bmapi_write() parameter Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 009/142] MIPS: ip22: Fix ip28 build for modern gcc Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 011/142] MIPS: ralink: Cosmetic change to prom_init(). Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 010/142] mtd: pmcmsp: use kstrndup instead of kmalloc+strncpy Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 022/142] USB: serial: io_ti: fix information leak in completion handler Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 020/142] USB: iowarrior: fix NULL-deref in write Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 008/142] MIPS: ip27: Disable qlge driver in defconfig Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 021/142] USB: serial: io_ti: fix NULL-deref in interrupt callback Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 031/142] tcp: fix various issues for sockets morphing to listen state Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 006/142] USB: serial: digi_acceleport: fix OOB-event processing Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 027/142] l2tp: avoid use-after-free caused by l2tp_ip_backlog_recv Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200
  [PATCH 3.12 003/142] mm/huge_memory.c: respect FOLL_FORCE/FOLL_COW for thp Jiri Slaby <jslaby@suse.cz> - 2017-04-10 18:20 +0200

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