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From: Edward Cree <ecree@solarflare.com>
To: Sasha Levin <sashal@kernel.org>
Cc: Or Gerlitz <gerlitz.or@gmail.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Jakub Kicinski <kuba@kernel.org>, Stable <stable@vger.kernel.org>,
	"Linux Netdev List" <netdev@vger.kernel.org>,
	Saeed Mahameed <saeedm@mellanox.com>,
	David Miller <davem@davemloft.net>
Subject: Re: [PATCH AUTOSEL 4.9 09/26] net/mlx5e: Init ethtool steering for representors
Date: Wed, 15 Apr 2020 17:18:38 +0100	[thread overview]
Message-ID: <41174e71-00e1-aebf-b67d-1b24731e4ab3@solarflare.com> (raw)
In-Reply-To: <20200414205755.GF1068@sasha-vm>

Firstly, let me apologise: my previous email was too harsh and too
 assertiveabout things that were really more uncertain and unclear.

On 14/04/2020 21:57, Sasha Levin wrote:
> I've pointed out that almost 50% of commits tagged for stable do not
> have a fixes tag, and yet they are fixes. You really deduce things based
> on coin flip probability?
Yes, but far less than 50% of commits *not* tagged for stable have a fixes
 tag.  It's not about hard-and-fast Aristotelian "deductions", like "this
 doesn't have Fixes:, therefore it is not a stable candidate", it's about
 probabilistic "induction".

> "it does increase the amount of countervailing evidence needed to
> conclude a commit is a fix" - Please explain this argument given the
> above.
Are you familiar with Bayesian statistics?  If not, I'd suggest reading
 something like http://yudkowsky.net/rational/bayes/ which explains it.
There's a big difference between a coin flip and a _correlated_ coin flip.

> This is great, but the kernel is more than just net/. Note that I also
> do not look at net/ itself, but rather drivers/net/ as those end up with
> a bunch of missed fixes.
drivers/net/ goes through the same DaveM net/net-next trees, with the
 same rules.
>> To be honest, that this needs to be explained to you does not inspire
>> confidence in the quality of your autoselection process...
>
> Nothing like a personal attack or two to try and make a point?
It wasn't meant as a personal attack, more as an "it's worrying that this
 is not known to the people doing the stable selection".  But I did agonise
 over whether to say that and now wish I hadn't; sorry.  (I'm not exactly
 my best self right now, what with all the lockdown cabin fever.)

-ed

  reply	other threads:[~2020-04-15 16:19 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-11 23:13 [PATCH AUTOSEL 4.9 01/26] net: wan: wanxl: use allow to pass CROSS_COMPILE_M68k for rebuilding firmware Sasha Levin
2020-04-11 23:13 ` [PATCH AUTOSEL 4.9 02/26] net: phy: probe PHY drivers synchronously Sasha Levin
2020-04-11 23:13 ` [PATCH AUTOSEL 4.9 04/26] net: phy: mscc: accept all RGMII species in vsc85xx_mac_if_set Sasha Levin
2020-04-11 23:13 ` [PATCH AUTOSEL 4.9 06/26] mwifiex: set needed_headroom, not hard_header_len Sasha Levin
2020-04-11 23:13 ` [PATCH AUTOSEL 4.9 07/26] Bluetooth: L2CAP: handle l2cap config request during open state Sasha Levin
2020-04-11 23:13 ` [PATCH AUTOSEL 4.9 09/26] net/mlx5e: Init ethtool steering for representors Sasha Levin
2020-04-12  7:10   ` Or Gerlitz
2020-04-12 17:59     ` Jakub Kicinski
2020-04-12 18:29       ` Or Gerlitz
2020-04-14  1:56       ` Sasha Levin
2020-04-14  7:16         ` Leon Romanovsky
2020-04-14 10:22         ` Or Gerlitz
2020-04-14 11:09           ` Greg KH
2020-04-14 14:38             ` Or Gerlitz
2020-04-14 15:16               ` Sasha Levin
2020-04-14 15:49               ` Edward Cree
2020-04-14 17:37                 ` Leon Romanovsky
2020-04-14 19:03                   ` Jakub Kicinski
2020-04-14 21:00                   ` Sasha Levin
2020-04-14 22:50                   ` Michal Kubecek
2020-04-15  5:31                     ` Leon Romanovsky
2020-04-15 14:07                     ` Sasha Levin
2020-04-14 20:57                 ` Sasha Levin
2020-04-15 16:18                   ` Edward Cree [this message]
2020-04-16  0:00                     ` Sasha Levin
2020-04-16  4:08                       ` Saeed Mahameed
2020-04-16  5:24                         ` Leon Romanovsky
2020-04-16 13:30                           ` Sasha Levin
2020-04-16 19:07                             ` Saeed Mahameed
2020-04-16 19:58                               ` Sasha Levin
2020-04-16 21:08                                 ` Saeed Mahameed
2020-04-17  8:28                                   ` gregkh
2020-04-17 22:23                                     ` Saeed Mahameed
2020-04-18 10:51                                       ` gregkh
2020-04-17 13:21                                   ` Sasha Levin
2020-04-17 22:38                                     ` Saeed Mahameed
2020-04-16 13:40                       ` Or Gerlitz
2020-04-16 14:04                         ` Sasha Levin
2020-04-16 14:17                           ` Or Gerlitz
2020-04-16 14:36                             ` Sasha Levin
2020-04-16 17:20                         ` Greg KH
2020-04-16 19:31                           ` Saeed Mahameed
2020-04-16 19:53                             ` Sasha Levin
2020-04-16 21:32                               ` Saeed Mahameed
2020-04-16 23:23                                 ` Sasha Levin
2020-04-21  3:07                                   ` Saeed Mahameed
2020-04-16 20:08                             ` Jakub Kicinski
2020-04-16 21:11                               ` Saeed Mahameed
2020-04-17  8:25                                 ` gregkh
2020-04-16 16:06                       ` Edward Cree
2020-04-16 18:49                         ` Sasha Levin
2020-04-20 11:45                           ` Edward Cree
2020-04-20 12:53                             ` Sasha Levin
2020-04-11 23:13 ` [PATCH AUTOSEL 4.9 10/26] Bluetooth: Fix calculation of SCO handle for packet processing Sasha Levin
2020-04-11 23:13 ` [PATCH AUTOSEL 4.9 11/26] Bluetooth: guard against controllers sending zero'd events Sasha Levin
2020-04-11 23:14 ` [PATCH AUTOSEL 4.9 13/26] net: intel: e1000e: fix possible sleep-in-atomic-context bugs in e1000e_get_hw_semaphore() Sasha Levin
2020-04-11 23:14 ` [PATCH AUTOSEL 4.9 19/26] Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl Sasha Levin
2020-04-11 23:14 ` [PATCH AUTOSEL 4.9 20/26] brcmfmac: Fix driver crash on USB control transfer timeout Sasha Levin
2020-04-11 23:14 ` [PATCH AUTOSEL 4.9 26/26] svcrdma: Fix leak of transport addresses Sasha Levin

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