From: Sasha Levin <sashal@kernel.org>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-kernel@vger.kernel.org,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Johan Almbladh" <johan.almbladh@anyfinetworks.com>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Alexei Starovoitov" <ast@kernel.org>,
"Andrii Nakryiko" <andrii@kernel.org>,
"paulburton@kernel.org" <paulburton@kernel.org>,
"linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>,
bpf@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 6.3 08/59] bpf, mips: Implement DADDI workarounds for JIT
Date: Thu, 18 May 2023 13:03:01 -0400 [thread overview]
Message-ID: <ZGZaRfsA/FTvZcsX@sashalap> (raw)
In-Reply-To: <50FCC591-D86A-46A3-AF4A-DD68D2FACC78@flygoat.com>
On Fri, May 05, 2023 at 01:04:14PM +0100, Jiaxun Yang wrote:
>
>
>> 2023年5月4日 20:40，Sasha Levin <sashal@kernel.org> 写道：
>>
>> From: Jiaxun Yang <jiaxun.yang@flygoat.com>
>>
>> [ Upstream commit bbefef2f07080cd502a93cb1c529e1c8a6c4ac8e ]
>>
>> For DADDI errata we just workaround by disable immediate operation
>> for BPF_ADD / BPF_SUB to avoid generation of DADDIU.
>>
>> All other use cases in JIT won't cause overflow thus they are all safe.
>>
>> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
>> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
>> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>> Acked-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
>> Link: https://lore.kernel.org/bpf/20230228113305.83751-2-jiaxun.yang@flygoat.com
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>
>Hi Sasha,
>
>I think this patch should count as a functional improvement instead of regression fix.
>
>Please drop it from stable queue.
Dropped, thanks!
--
Thanks,
Sasha
next prev parent reply other threads:[~2023-05-18 17:03 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-04 19:40 [PATCH AUTOSEL 6.3 01/59] wifi: ath: Silence memcpy run-time false positive warning Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 02/59] wifi: ath12k: Handle lock during peer_id find Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 03/59] wifi: ath12k: PCI ops for wakeup/release MHI Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 04/59] bpf: Annotate data races in bpf_local_storage Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 05/59] wifi: brcmfmac: pcie: Provide a buffer of random bytes to the device Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 06/59] wifi: brcmfmac: cfg80211: Pass the PMK in binary instead of hex Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 07/59] wifi: brcmfmac: pcie: Add IDs/properties for BCM4387 Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 08/59] bpf, mips: Implement DADDI workarounds for JIT Sasha Levin
2023-05-05 12:04 ` Jiaxun Yang
2023-05-18 17:03 ` Sasha Levin [this message]
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 09/59] ext2: Check block size validity during mount Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 10/59] scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 11/59] scsi: lpfc: Correct used_rpi count when devloss tmo fires with no recovery Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 12/59] wifi: rtw88: fix memory leak in rtw_usb_probe() Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 13/59] wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies() Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 14/59] bnxt: avoid overflow in bnxt_get_nvram_directory() Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 15/59] net: pasemi: Fix return type of pasemi_mac_start_tx() Sasha Levin
2023-05-04 19:40 ` [PATCH AUTOSEL 6.3 16/59] wifi: ath12k: fix memory leak in ath12k_qmi_driver_event_work() Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 17/59] net: Catch invalid index in XPS mapping Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 18/59] netdev: Enforce index cap in netdev_get_tx_queue Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 19/59] scsi: target: iscsit: Free cmds before session free Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 20/59] lib: cpu_rmap: Avoid use after free on rmap->obj array entries Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 21/59] scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 22/59] gfs2: Fix inode height consistency check Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 23/59] scsi: ufs: ufs-pci: Add support for Intel Lunar Lake Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 24/59] scsi: hisi_sas: Grab sas_dev lock when traversing the members of sas_dev.list Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 25/59] ext4: set goal start correctly in ext4_mb_normalize_request Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 26/59] ext4: Fix best extent lstart adjustment logic in ext4_mb_new_inode_pa() Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 27/59] crypto: jitter - permanent and intermittent health errors Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 28/59] f2fs: Fix system crash due to lack of free space in LFS Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 29/59] f2fs: fix to drop all dirty pages during umount() if cp_error is set Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 30/59] f2fs: fix to check readonly condition correctly Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 31/59] samples/bpf: Fix fout leak in hbm's run_bpf_prog Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 32/59] bpf: Add preempt_count_{sub,add} into btf id deny list Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 33/59] md: fix soft lockup in status_resync Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 34/59] net/sched: pass netlink extack to mqprio and taprio offload Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 35/59] wifi: iwlwifi: pcie: fix possible NULL pointer dereference Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 36/59] wifi: iwlwifi: add a new PCI device ID for BZ device Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 37/59] wifi: iwlwifi: pcie: Fix integer overflow in iwl_write_to_user_buf Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 38/59] wifi: iwlwifi: mvm: fix ptk_pn memory leak Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 39/59] block, bfq: Fix division by zero error on zero wsum Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 40/59] wifi: ath11k: Ignore frags from uninitialized peer in dp Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 41/59] wifi: mt76: mt7921: add Netgear AXE3000 (A8000) support Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 42/59] wifi: iwlwifi: fix iwl_mvm_max_amsdu_size() for MLO Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 43/59] f2fs: relax sanity check if checkpoint is corrupted Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 44/59] null_blk: Always check queue mode setting from configfs Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 45/59] wifi: iwlwifi: dvm: Fix memcpy: detected field-spanning write backtrace Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 46/59] wifi: ath11k: Fix SKB corruption in REO destination ring Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 47/59] wifi: rtw88: Fix memory leak in rtw88_usb Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 48/59] nbd: fix incomplete validation of ioctl arg Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 49/59] ipvs: Update width of source for ip_vs_sync_conn_options Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 50/59] Bluetooth: btusb: Add new PID/VID 04ca:3801 for MT7663 Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 51/59] Bluetooth: Add new quirk for broken local ext features page 2 Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 52/59] Bluetooth: btrtl: add support for the RTL8723CS Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 53/59] Bluetooth: Improve support for Actions Semi ATS2851 based devices Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 54/59] Bluetooth: btrtl: check for NULL in btrtl_set_quirks() Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 55/59] Bluetooth: btintel: Add LE States quirk support Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 56/59] Bluetooth: hci_bcm: Fall back to getting bdaddr from EFI if not set Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 57/59] Bluetooth: Add new quirk for broken set random RPA timeout for ATS2851 Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 58/59] Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp Sasha Levin
2023-05-04 19:41 ` [PATCH AUTOSEL 6.3 59/59] Bluetooth: btrtl: Add the support for RTL8851B Sasha Levin
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