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Tue, 25 Mar 2025 12:25:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742905540; bh=sm654hPYjWJMXJD/nEEXxI+s+R28mm6voQq4ZrjJStU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Kb/eV2Rwu3zYNU7Jt3dNKcNXYL8nMRHt5pyAJqK6Q/FHeFvW6XiemJEA3uvEk7fVs 3EdHOm9rkT05EzHBa5buxdZyLrstfBsowWufM7HqrOlG+CIUjr96jk/fDQXjnFPt+R dWfnumlqW9XRN8RlSa4I28acYRg721cxluLl8IEARR3ZQbcXBk3NZPefJ2WwhFLcUe OiQ0cG9dLZ0sgksiS+3kI0Gf4fzOMT9Xk2MfF9taYcuO0Y49REu0hLiOZAG6x8XWZ3 isLS319gnMj4Vs30saFH4Hmz96Q2P/kZ1dTH5mgBIdyz3rnr7TCbzfvoPIkyCS5b43 0M+WNWc7E/U2Q== From: guoren@kernel.org To: arnd@arndb.de, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, paul.walmsley@sifive.com, palmer@dabbelt.com, anup@brainfault.org, atishp@atishpatra.org, oleg@redhat.com, kees@kernel.org, tglx@linutronix.de, will@kernel.org, mark.rutland@arm.com, brauner@kernel.org, akpm@linux-foundation.org, rostedt@goodmis.org, edumazet@google.com, unicorn_wang@outlook.com, inochiama@outlook.com, gaohan@iscas.ac.cn, shihua@iscas.ac.cn, jiawei@iscas.ac.cn, wuwei2016@iscas.ac.cn, drew@pdp7.com, prabhakar.mahadev-lad.rj@bp.renesas.com, ctsai390@andestech.com, wefu@redhat.com, kuba@kernel.org, pabeni@redhat.com, josef@toxicpanda.com, dsterba@suse.com, mingo@redhat.com, peterz@infradead.org, boqun.feng@gmail.com, guoren@kernel.org, xiao.w.wang@intel.com, qingfang.deng@siflower.com.cn, leobras@redhat.com, jszhang@kernel.org, conor.dooley@microchip.com, samuel.holland@sifive.com, yongxuan.wang@sifive.com, luxu.kernel@bytedance.com, david@redhat.com, ruanjinjie@huawei.com, cuiyunhui@bytedance.com, wangkefeng.wang@huawei.com, qiaozhe@iscas.ac.cn Cc: ardb@kernel.org, ast@kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-mm@kvack.org, linux-crypto@vger.kernel.org, bpf@vger.kernel.org, linux-input@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-serial@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, maple-tree@lists.infradead.org, linux-trace-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-atm-general@lists.sourceforge.net, linux-btrfs@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-nfs@vger.kernel.org, linux-sctp@vger.kernel.org, linux-usb@vger.kernel.org, linux-media@vger.kernel.org Subject: [RFC PATCH V3 37/43] rv64ilp32_abi: random: Adapt fast_pool struct Date: Tue, 25 Mar 2025 08:16:18 -0400 Message-Id: <20250325121624.523258-38-guoren@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20250325121624.523258-1-guoren@kernel.org> References: <20250325121624.523258-1-guoren@kernel.org> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 5890440006 X-Stat-Signature: suaz59aba6s55h8g1nz836rjyofabtzk X-HE-Tag: 1742905541-532368 X-HE-Meta: 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 GzBpGtll 5pnQnozePQDiS8W51Q/eKovkxatFsvRma97322GQZflCYfrfCqHTmL+z29CcX8oxuq44X1IxJOIqq+acUJInUP9qfPTENkDj5QHs+mkr/V5gR788STcyi7AecTyAIVeo5oSOXYaIkkB0j0nvwoTNk6Gw7Bs62/56jLpF5W3Bidaj+xrqk68ry2MzTTiylWKus90AVm1jkJjHaiyx0v06ftUIB/mF1doqMI+4QjmChfu5l4wYYMdUGFC6WPIr4QtK57CobccnYZ0CAo13/cAfX+BiIa7bpxHUHdmgc8C7xvUQnqP9Phr2DssVhTNmfqtxEXiegAB8cWTlAZakoIT9t7yBEw+5YQjaC25Fu X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Guo Ren (Alibaba DAMO Academy)" RV64ILP32 ABI systems have BITS_PER_LONG set to 32, matching sizeof(compat_ulong_t). Adjust code Signed-off-by: Guo Ren (Alibaba DAMO Academy) --- drivers/char/random.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/char/random.c b/drivers/char/random.c index 2581186fa61b..0bfbe02ee255 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1015,7 +1015,11 @@ EXPORT_SYMBOL_GPL(unregister_random_vmfork_notifier); #endif struct fast_pool { +#ifdef CONFIG_64BIT + u64 pool[4]; +#else unsigned long pool[4]; +#endif unsigned long last; unsigned int count; struct timer_list mix; @@ -1040,7 +1044,11 @@ static DEFINE_PER_CPU(struct fast_pool, irq_randomness) = { * and therefore this has no security on its own. s represents the * four-word SipHash state, while v represents a two-word input. */ +#ifdef CONFIG_64BIT +static void fast_mix(u64 s[4], u64 v1, u64 v2) +#else static void fast_mix(unsigned long s[4], unsigned long v1, unsigned long v2) +#endif { s[3] ^= v1; FASTMIX_PERM(s[0], s[1], s[2], s[3]);