From: Shuah Khan <skhan@linuxfoundation.org>
To: Kees Cook <keescook@chromium.org>
Cc: Matthew Wilcox <willy@infradead.org>,
corbet@lwn.net, gregkh@linuxfoundation.org, peterz@infradead.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH 01/13] seqnum_ops: Introduce Sequence Number Ops
Date: Wed, 11 Nov 2020 08:42:10 -0700 [thread overview]
Message-ID: <d0d6a857-6e12-1a41-c4bf-8fcc92d94d0a@linuxfoundation.org> (raw)
In-Reply-To: <202011101619.341C9C7E64@keescook>
On 11/10/20 5:20 PM, Kees Cook wrote:
> On Tue, Nov 10, 2020 at 03:58:48PM -0700, Shuah Khan wrote:
>> Yes we have some instances where unsigned is being used. I considered
>> going to unsigned. Changing the API to unsigned has other ramifications
>> and cascading changes to current atomic_t usages that are up counters.
>
> As in, existing callers expect the "read" value to be int?
>
Correct. In addition, these values are returned by other functions as
signed and it will result in lot of churn to use unsigned.
thanks,
-- Shuah
next prev parent reply other threads:[~2020-11-11 15:42 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 19:53 [PATCH 00/13] Introduce seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 01/13] seqnum_ops: Introduce Sequence Number Ops Shuah Khan
2020-11-10 20:41 ` Greg KH
2020-11-10 20:43 ` Greg KH
2020-11-11 0:18 ` Kees Cook
2020-11-11 19:23 ` Shuah Khan
2020-11-12 12:36 ` Matthew Wilcox
2020-11-12 16:17 ` Shuah Khan
2020-11-12 16:45 ` Greg KH
2020-11-12 16:59 ` Shuah Khan
2020-11-12 21:27 ` Shuah Khan
2020-11-17 12:27 ` Peter Zijlstra
2020-11-10 21:03 ` Matthew Wilcox
2020-11-10 22:58 ` Shuah Khan
2020-11-11 0:20 ` Kees Cook
2020-11-11 15:42 ` Shuah Khan [this message]
2020-11-11 8:23 ` Peter Zijlstra
2020-11-11 15:56 ` Shuah Khan
2020-11-11 16:04 ` Peter Zijlstra
2020-11-11 17:34 ` Shuah Khan
2020-11-11 17:50 ` Peter Zijlstra
2020-11-11 18:28 ` Shuah Khan
2020-11-11 20:15 ` Peter Zijlstra
2020-11-12 13:29 ` Greg KH
2020-11-10 19:53 ` [PATCH 02/13] selftests:lib:test_seqnum_ops: add new test for seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 03/13] drivers/acpi: convert seqno seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 04/13] drivers/acpi/apei: convert seqno to seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 05/13] drivers/base/test/test_async_driver_probe: convert to use seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 06/13] drivers/char/ipmi: convert stats " Shuah Khan
2020-11-10 19:53 ` [PATCH 07/13] drivers/edac: convert pci counters to seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 08/13] drivers/oprofile: convert stats to use seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 09/13] drivers/staging/rtl8723bs: " Shuah Khan
2020-11-10 19:53 ` [PATCH 10/13] usb: usbip/vhci: convert seqno to seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 11/13] drivers/staging/rtl8188eu: convert stats to use seqnum_ops Shuah Khan
2020-11-10 19:53 ` [PATCH 12/13] drivers/staging/unisys/visorhba: " Shuah Khan
2020-11-10 20:42 ` Greg KH
2020-11-10 21:02 ` Shuah Khan
2020-11-10 19:53 ` [PATCH 13/13] security/integrity/ima: converts stats to seqnum_ops Shuah Khan
2020-11-10 20:44 ` [PATCH 00/13] Introduce seqnum_ops Alan Stern
2020-11-10 22:42 ` Shuah Khan
2020-11-11 4:33 ` Matthew Wilcox
2020-11-11 16:03 ` Shuah Khan
2020-11-11 16:41 ` Matthew Wilcox
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