From: Jakub Kicinski <kuba@kernel.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev,
"Andreas Noever" <andreas.noever@gmail.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Borislav Petkov" <bp@alien8.de>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Christoph Böhmwalder" <christoph.boehmwalder@linbit.com>,
"Christoph Hellwig" <hch@lst.de>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Dave Airlie" <airlied@redhat.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Florian Westphal" <fw@strlen.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"H . Peter Anvin" <hpa@zytor.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
"Helge Deller" <deller@gmx.de>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Hugh Dickins" <hughd@google.com>,
"James E . J . Bottomley" <jejb@linux.ibm.com>,
"Jan Kara" <jack@suse.com>, "Jason Gunthorpe" <jgg@ziepe.ca>,
"Jens Axboe" <axboe@kernel.dk>,
"Johannes Berg" <johannes@sipsolutions.net>,
"Jonathan Corbet" <corbet@lwn.net>,
"Jozsef Kadlecsik" <kadlec@netfilter.org>,
"KP Singh" <kpsingh@kernel.org>,
"Kees Cook" <keescook@chromium.org>,
"Marco Elver" <elver@google.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Pablo Neira Ayuso" <pablo@netfilter.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Richard Weinberger" <richard@nod.at>,
"Russell King" <linux@armlinux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Thomas Graf" <tgraf@suug.ch>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"WANG Xuerui" <kernel@xen0n.name>,
"Will Deacon" <will@kernel.org>,
"Yury Norov" <yury.norov@gmail.com>,
dri-devel@lists.freedesktop.org, kasan-dev@googlegroups.com,
kernel-janitors@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-block@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-media@vger.kernel.org, linux-mips@vger.kernel.org,
linux-mm@kvack.org, linux-mmc@vger.kernel.org,
linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org,
linux-parisc@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-s390@vger.kernel.org, linux-um@lists.infradead.org,
linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev,
netdev@vger.kernel.org, sparclinux@vger.kernel.org,
x86@kernel.org
Subject: Re: [PATCH v6 0/7] treewide cleanup of random integer usage
Date: Tue, 11 Oct 2022 16:01:44 -0700 [thread overview]
Message-ID: <20221011160144.1c0dc2af@kernel.org> (raw)
In-Reply-To: <20221010230613.1076905-1-Jason@zx2c4.com>
On Mon, 10 Oct 2022 17:06:06 -0600 Jason A. Donenfeld wrote:
> - If you want a secure or an insecure random u64, use get_random_u64().
> - If you want a secure or an insecure random u32, use get_random_u32().
> * The old function prandom_u32() has been deprecated for a while now
> and is just a wrapper around get_random_u32(). Same for
> get_random_int().
> - If you want a secure or an insecure random u16, use get_random_u16().
> - If you want a secure or an insecure random u8, use get_random_u8().
> - If you want secure or insecure random bytes, use get_random_bytes().
> * The old function prandom_bytes() has been deprecated for a while now
> and has long been a wrapper around get_random_bytes().
> - If you want a non-uniform random u32, u16, or u8 bounded by a certain
> open interval maximum, use prandom_u32_max().
> * I say "non-uniform", because it doesn't do any rejection sampling or
> divisions. Hence, it stays within the prandom_* namespace.
Acked-by: Jakub Kicinski <kuba@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev,
"Andreas Noever" <andreas.noever@gmail.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Borislav Petkov" <bp@alien8.de>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Christoph Böhmwalder" <christoph.boehmwalder@linbit.com>,
"Christoph Hellwig" <hch@lst.de>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Dave Airlie" <airlied@redhat.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Florian Westphal" <fw@strlen.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"H . Peter Anvin" <hpa@zytor.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
"Helge Deller" <deller@gmx.de>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Hugh Dickins" <hughd@google.com>,
"James E . J . Bottomley" <jejb@linux.ibm.com>,
"Jan Kara" <jack@suse.com>, "Jason Gunthorpe" <jgg@ziepe.ca>,
"Jens Axboe" <axboe@kernel.dk>,
"Johannes Berg" <johannes@sipsolutions.net>,
"Jonathan Corbet" <corbet@lwn.net>,
"Jozsef Kadlecsik" <kadlec@netfilter.org>,
"KP Singh" <kpsingh@kernel.org>,
"Kees Cook" <keescook@chromium.org>,
"Marco Elver" <elver@google.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Pablo Neira Ayuso" <pablo@netfilter.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Richard Weinberger" <richard@nod.at>,
"Russell King" <linux@armlinux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Thomas Graf" <tgraf@suug.ch>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"WANG Xuerui" <kernel@xen0n.name>,
"Will Deacon" <will@kernel.org>,
"Yury Norov" <yury.norov@gmail.com>,
dri-devel@lists.freedesktop.org, kasan-dev@googlegroups.com,
kernel-janitors@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-block@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-media@vger.kernel.org, linux-mips@vger.kernel.org,
linux-mm@kvack.org, linux-mmc@vger.kernel.org,
linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org,
linux-parisc@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-s390@vger.kernel.org, linux-um@lists.infradead.org,
linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev,
netdev@vger.kernel.org, sparclinux@vger.kernel.org,
x86@kernel.org
Subject: Re: [PATCH v6 0/7] treewide cleanup of random integer usage
Date: Tue, 11 Oct 2022 16:01:44 -0700 [thread overview]
Message-ID: <20221011160144.1c0dc2af@kernel.org> (raw)
In-Reply-To: <20221010230613.1076905-1-Jason@zx2c4.com>
On Mon, 10 Oct 2022 17:06:06 -0600 Jason A. Donenfeld wrote:
> - If you want a secure or an insecure random u64, use get_random_u64().
> - If you want a secure or an insecure random u32, use get_random_u32().
> * The old function prandom_u32() has been deprecated for a while now
> and is just a wrapper around get_random_u32(). Same for
> get_random_int().
> - If you want a secure or an insecure random u16, use get_random_u16().
> - If you want a secure or an insecure random u8, use get_random_u8().
> - If you want secure or insecure random bytes, use get_random_bytes().
> * The old function prandom_bytes() has been deprecated for a while now
> and has long been a wrapper around get_random_bytes().
> - If you want a non-uniform random u32, u16, or u8 bounded by a certain
> open interval maximum, use prandom_u32_max().
> * I say "non-uniform", because it doesn't do any rejection sampling or
> divisions. Hence, it stays within the prandom_* namespace.
Acked-by: Jakub Kicinski <kuba@kernel.org>
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev,
"Andreas Noever" <andreas.noever@gmail.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Borislav Petkov" <bp@alien8.de>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Christoph Böhmwalder" <christoph.boehmwalder@linbit.com>,
"Christoph Hellwig" <hch@lst.de>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Dave Airlie" <airlied@redhat.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Florian Westphal" <fw@strlen.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"H . Peter Anvin <hpa@zytor.com>,
Heiko Carstens <hca@linux.ibm.com>, Helge Deller" <deller@gmx.de>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Hugh Dickins" <hughd@google.com>,
"James E . J . Bottomley <jejb@linux.ibm.com>,
Jan Kara <jack@suse.com>, Jason Gunthorpe" <jgg@ziepe.ca>,
"Jens Axboe" <axboe@kernel.dk>,
"Johannes Berg" <johannes@sipsolutions.net>,
"Jonathan Corbet" <corbet@lwn.net>,
"Jozsef Kadlecsik" <kadlec@netfilter.org>,
"KP Singh" <kpsingh@kernel.org>,
"Kees Cook" <keescook@chromium.org>,
"Marco Elver" <elver@google.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Pablo Neira Ayuso" <pablo@netfilter.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Richard Weinberger" <richard@nod.at>,
"Russell King" <linux@armlinux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Thomas Graf" <tgraf@suug.ch>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"WANG Xuerui" <kernel@xen0n.name>,
"Will Deacon" <will@kernel.org>,
"Yury Norov" <yury.norov@gmail.com>,
dri-devel@lists.freedesktop.org, kasan-dev@googlegroups.com,
kernel-janitors@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-block@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-media@vger.kernel.org, linux-mips@vger.kernel.org,
linux-mm@kvack.org, linux-mmc@vger.kernel.org,
linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org,
linux-parisc@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-s390@vger.kernel.org, linux-um@lists.infradead.org,
linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev,
netdev@vger.kernel.org, sparclinux@vger.kernel.org,
x86@kernel.org
Subject: Re: [PATCH v6 0/7] treewide cleanup of random integer usage
Date: Tue, 11 Oct 2022 16:01:44 -0700 [thread overview]
Message-ID: <20221011160144.1c0dc2af@kernel.org> (raw)
In-Reply-To: <20221010230613.1076905-1-Jason@zx2c4.com>
On Mon, 10 Oct 2022 17:06:06 -0600 Jason A. Donenfeld wrote:
> - If you want a secure or an insecure random u64, use get_random_u64().
> - If you want a secure or an insecure random u32, use get_random_u32().
> * The old function prandom_u32() has been deprecated for a while now
> and is just a wrapper around get_random_u32(). Same for
> get_random_int().
> - If you want a secure or an insecure random u16, use get_random_u16().
> - If you want a secure or an insecure random u8, use get_random_u8().
> - If you want secure or insecure random bytes, use get_random_bytes().
> * The old function prandom_bytes() has been deprecated for a while now
> and has long been a wrapper around get_random_bytes().
> - If you want a non-uniform random u32, u16, or u8 bounded by a certain
> open interval maximum, use prandom_u32_max().
> * I say "non-uniform", because it doesn't do any rejection sampling or
> divisions. Hence, it stays within the prandom_* namespace.
Acked-by: Jakub Kicinski <kuba@kernel.org>
_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: linux-wireless@vger.kernel.org,
"Ulf Hansson" <ulf.hansson@linaro.org>,
x86@kernel.org, "Vignesh Raghavendra" <vigneshr@ti.com>,
linux-doc@vger.kernel.org,
"Peter Zijlstra" <peterz@infradead.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
kernel-janitors@vger.kernel.org, "KP Singh" <kpsingh@kernel.org>,
dri-devel@lists.freedesktop.org, patches@lists.linux.dev,
linux-mm@kvack.org, "Eric Dumazet" <edumazet@google.com>,
netdev@vger.kernel.org, linux-mtd@lists.infradead.org,
kasan-dev@googlegroups.com, "H . Peter Anvin" <hpa@zytor.com>,
"Andreas Noever" <andreas.noever@gmail.com>,
"WANG Xuerui" <kernel@xen0n.name>,
"Will Deacon" <will@kernel.org>, "Christoph Hellwig" <hch@lst.de>,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jonathan Corbet" <corbet@lwn.net>,
linux-rdma@vger.kernel.org, "Helge Deller" <deller@gmx.de>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Hugh Dickins" <hughd@google.com>,
"Russell King" <linux@armlinux.org.uk>,
"Jozsef Kadlecsik" <kadlec@netfilter.org>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Dave Airlie" <airlied@redhat.com>,
"Paolo Abeni" <pabeni@redhat.com>,
"James E . J . Bottomley" <jejb@linux.ibm.com>,
"Pablo Neira Ayuso" <pablo@netfilter.org>,
linux-media@vger.kernel.org, "Marco Elver" <elver@google.com>,
"Kees Cook" <keescook@chromium.org>,
"Yury Norov" <yury.norov@gmail.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
linux-um@lists.infradead.org, linux-mips@vger.kernel.org,
linux-block@vger.kernel.org,
"Richard Weinberger" <richard@nod.at>,
"Borislav Petkov" <bp@alien8.de>,
linux-nvme@lists.infradead.org, loongarch@lists.linux.dev,
"Thomas Gleixner" <tglx@linutronix.de>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Johannes Berg" <johannes@sipsolutions.net>,
linux-arm-kernel@lists.infradead.org,
"Jens Axboe" <axboe@kernel.dk>,
linux-mmc@vger.kernel.org,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Theodore Ts'o" <tytso@mit.edu>,
linux-parisc@vger.kernel.org,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, "Florian Westphal" <fw@strlen.de>,
linux-kernel@vger.kernel.org,
"Christoph Böhmwalder" <christoph.boehmwalder@l>
Subject: Re: [PATCH v6 0/7] treewide cleanup of random integer usage
Date: Tue, 11 Oct 2022 16:01:44 -0700 [thread overview]
Message-ID: <20221011160144.1c0dc2af@kernel.org> (raw)
In-Reply-To: <20221010230613.1076905-1-Jason@zx2c4.com>
On Mon, 10 Oct 2022 17:06:06 -0600 Jason A. Donenfeld wrote:
> - If you want a secure or an insecure random u64, use get_random_u64().
> - If you want a secure or an insecure random u32, use get_random_u32().
> * The old function prandom_u32() has been deprecated for a while now
> and is just a wrapper around get_random_u32(). Same for
> get_random_int().
> - If you want a secure or an insecure random u16, use get_random_u16().
> - If you want a secure or an insecure random u8, use get_random_u8().
> - If you want secure or insecure random bytes, use get_random_bytes().
> * The old function prandom_bytes() has been deprecated for a while now
> and has long been a wrapper around get_random_bytes().
> - If you want a non-uniform random u32, u16, or u8 bounded by a certain
> open interval maximum, use prandom_u32_max().
> * I say "non-uniform", because it doesn't do any rejection sampling or
> divisions. Hence, it stays within the prandom_* namespace.
Acked-by: Jakub Kicinski <kuba@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: linux-wireless@vger.kernel.org,
"Ulf Hansson" <ulf.hansson@linaro.org>,
x86@kernel.org, "Vignesh Raghavendra" <vigneshr@ti.com>,
linux-doc@vger.kernel.org,
"Peter Zijlstra" <peterz@infradead.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
kernel-janitors@vger.kernel.org, "KP Singh" <kpsingh@kernel.org>,
dri-devel@lists.freedesktop.org, patches@lists.linux.dev,
linux-mm@kvack.org, "Eric Dumazet" <edumazet@google.com>,
netdev@vger.kernel.org, linux-mtd@lists.infradead.org,
kasan-dev@googlegroups.com, "H . Peter Anvin" <hpa@zytor.com>,
"Andreas Noever" <andreas.noever@gmail.com>,
"WANG Xuerui" <kernel@xen0n.name>,
"Will Deacon" <will@kernel.org>, "Christoph Hellwig" <hch@lst.de>,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jonathan Corbet" <corbet@lwn.net>,
linux-rdma@vger.kernel.org,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Helge Deller" <deller@gmx.de>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Hugh Dickins" <hughd@google.com>,
"Russell King" <linux@armlinux.org.uk>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Jozsef Kadlecsik" <kadlec@netfilter.org>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Dave Airlie" <airlied@redhat.com>,
"Paolo Abeni" <pabeni@redhat.com>,
"James E . J . Bottomley" <jejb@linux.ibm.com>,
"Pablo Neira Ayuso" <pablo@netfilter.org>,
linux-media@vger.kernel.org, "Marco Elver" <elver@google.com>,
"Kees Cook" <keescook@chromium.org>,
"Yury Norov" <yury.norov@gmail.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
linux-um@lists.infradead.org, linux-mips@vger.kernel.org,
linux-block@vger.kernel.org,
"Richard Weinberger" <richard@nod.at>,
"Borislav Petkov" <bp@alien8.de>,
linux-nvme@lists.infradead.org, loongarch@lists.linux.dev,
"Thomas Gleixner" <tglx@linutronix.de>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Johannes Berg" <johannes@sipsolutions.net>,
linux-arm-kernel@lists.infradead.org,
"Jens Axboe" <axboe@kernel.dk>,
linux-mmc@vger.kernel.org,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Theodore Ts'o" <tytso@mit.edu>,
linux-parisc@vger.kernel.org,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, "Florian Westphal" <fw@strlen.de>,
linux-kernel@vger.kernel.org,
"Christoph Böhmwalder" <christoph.boehmwalder@linbit.com>,
linux-crypto@vger.kernel.org, "Jan Kara" <jack@suse.com>,
"Thomas Graf" <tgraf@suug.ch>,
linux-fsdevel@vger.kernel.org,
"Andrew Morton" <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
"David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH v6 0/7] treewide cleanup of random integer usage
Date: Tue, 11 Oct 2022 16:01:44 -0700 [thread overview]
Message-ID: <20221011160144.1c0dc2af@kernel.org> (raw)
In-Reply-To: <20221010230613.1076905-1-Jason@zx2c4.com>
On Mon, 10 Oct 2022 17:06:06 -0600 Jason A. Donenfeld wrote:
> - If you want a secure or an insecure random u64, use get_random_u64().
> - If you want a secure or an insecure random u32, use get_random_u32().
> * The old function prandom_u32() has been deprecated for a while now
> and is just a wrapper around get_random_u32(). Same for
> get_random_int().
> - If you want a secure or an insecure random u16, use get_random_u16().
> - If you want a secure or an insecure random u8, use get_random_u8().
> - If you want secure or insecure random bytes, use get_random_bytes().
> * The old function prandom_bytes() has been deprecated for a while now
> and has long been a wrapper around get_random_bytes().
> - If you want a non-uniform random u32, u16, or u8 bounded by a certain
> open interval maximum, use prandom_u32_max().
> * I say "non-uniform", because it doesn't do any rejection sampling or
> divisions. Hence, it stays within the prandom_* namespace.
Acked-by: Jakub Kicinski <kuba@kernel.org>
next prev parent reply other threads:[~2022-10-11 23:02 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-10 23:06 [PATCH v6 0/7] treewide cleanup of random integer usage Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 1/7] treewide: use prandom_u32_max() when possible, part 1 Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-11 9:58 ` Heiko Carstens
2022-10-11 9:58 ` Heiko Carstens
2022-10-11 9:58 ` Heiko Carstens
2022-10-11 9:58 ` Heiko Carstens
2022-10-11 9:58 ` Heiko Carstens
2022-10-10 23:06 ` [PATCH v6 2/7] treewide: use prandom_u32_max() when possible, part 2 Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 3/7] treewide: use get_random_{u8,u16}() when possible, part 1 Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 3/7] treewide: use get_random_{u8, u16}() " Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 3/7] treewide: use get_random_{u8,u16}() " Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-11 1:18 ` Elliott, Robert (Servers)
2022-10-11 1:18 ` [PATCH v6 3/7] treewide: use get_random_{u8, u16}() " Elliott, Robert (Servers)
2022-10-11 1:18 ` [PATCH v6 3/7] treewide: use get_random_{u8,u16}() " Elliott, Robert (Servers)
2022-10-11 1:18 ` Elliott, Robert (Servers)
2022-10-11 1:18 ` Elliott, Robert (Servers)
2022-10-11 3:00 ` Jason A. Donenfeld
2022-10-11 3:00 ` Jason A. Donenfeld
2022-10-11 3:00 ` Jason A. Donenfeld
2022-10-11 3:00 ` Jason A. Donenfeld
2022-10-11 3:00 ` Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 4/7] treewide: use get_random_{u8,u16}() when possible, part 2 Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 4/7] treewide: use get_random_{u8, u16}() " Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 4/7] treewide: use get_random_{u8,u16}() " Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-11 9:59 ` Heiko Carstens
2022-10-11 9:59 ` Heiko Carstens
2022-10-11 9:59 ` Heiko Carstens
2022-10-11 9:59 ` Heiko Carstens
2022-10-11 9:59 ` Heiko Carstens
2022-10-10 23:06 ` [PATCH v6 5/7] treewide: use get_random_u32() when possible Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-11 6:33 ` Helge Deller
2022-10-11 9:14 ` Rolf Eike Beer
2022-10-11 19:20 ` Jason A. Donenfeld
2022-10-11 10:00 ` Heiko Carstens
2022-10-11 10:00 ` Heiko Carstens
2022-10-11 10:00 ` Heiko Carstens
2022-10-11 10:00 ` Heiko Carstens
2022-10-11 10:00 ` Heiko Carstens
2022-10-13 9:25 ` Rolf Eike Beer
2022-10-13 9:25 ` Rolf Eike Beer
2022-10-13 9:25 ` Rolf Eike Beer
2022-10-13 9:25 ` Rolf Eike Beer
2022-10-13 10:16 ` Florian Westphal
2022-10-13 10:16 ` Florian Westphal
2022-10-13 10:16 ` Florian Westphal
2022-10-13 10:16 ` Florian Westphal
2022-10-13 10:16 ` Florian Westphal
2022-10-13 11:40 ` Rolf Eike Beer
2022-10-13 11:40 ` Rolf Eike Beer
2022-10-13 11:40 ` Rolf Eike Beer
2022-10-13 11:40 ` Rolf Eike Beer
2022-10-13 16:21 ` Jason A. Donenfeld
2022-10-13 16:21 ` Jason A. Donenfeld
2022-10-13 16:21 ` Jason A. Donenfeld
2022-10-13 16:21 ` Jason A. Donenfeld
2022-10-13 16:21 ` Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 6/7] treewide: use get_random_bytes() " Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` [PATCH v6 7/7] prandom: remove unused functions Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-10 23:06 ` Jason A. Donenfeld
2022-10-11 23:01 ` Jakub Kicinski [this message]
2022-10-11 23:01 ` [PATCH v6 0/7] treewide cleanup of random integer usage Jakub Kicinski
2022-10-11 23:01 ` Jakub Kicinski
2022-10-11 23:01 ` Jakub Kicinski
2022-10-11 23:01 ` Jakub Kicinski
2022-10-17 11:59 ` liulongfang
2022-10-17 11:59 ` liulongfang
2022-10-17 11:59 ` liulongfang
2022-10-17 11:59 ` liulongfang
2022-10-17 11:59 ` liulongfang
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