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Donenfeld" , Richard Henderson , linux-alpha@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Huacai Chen , loongarch@lists.linux.dev, Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org, Dinh Nguyen , Jonas Bonn , linux-openrisc@vger.kernel.org, Helge Deller , linux-parisc@vger.kernel.org, Paul Walmsley , linux-riscv@lists.infradead.org, Heiko Carstens , linux-s390@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org Subject: [patch 33/38] powerpc: Select ARCH_HAS_RANDOM_ENTROPY References: <20260410120044.031381086@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Rspamd-Server: rspam12 X-Stat-Signature: o6p8mcxqfrni4enzmyhoc3jo1wakhty8 X-Rspamd-Queue-Id: 4BF2B4000C X-Rspam-User: X-HE-Tag: 1775823673-433175 X-HE-Meta: U2FsdGVkX19oZ4+KwEbb4nXP/7pSq0yHD4KvCYt+O/iS7CARsW99Kp8fbDY1RfBhPhIdLlY5fV8VajSgkA0ilUP2mLT6UcYEOxHXqiuQMelsJpUAIpJOAlnejEnKpUCM1kafocVJiXtNRFNnw9rTJMsawazmz5b6Ep+n0nYbToMGhiDC1PTmLs4RgIlkoUz1qUb02wAvc98IPbRIDb3gUcSNYw3lKTxsws/K102/A77NPdkeMUYP9GA6DXyD2HhipEzPYbpOs9ybsqFp1H/8DBy46c/RN3d8eSlUcusOptCXw5gTLsaYZB9hZHEcqrCtdujhpTlMoDdbalciwO8BLHdXrSE2CbgaUf3+gjWOIHEXkS4xShnAKXk24Nc/p+BXRiowJheOAT4TVSS32s9qFzNcyU6eTfpnCdJAptW8LOCgnBDyrZNJWu7d5+Qokiif+DXHKFv9OQRn0dkpR9ntdgBtmZjPNAA2/daVLHNEcgt4qj892nSFwX6DMBvh0Ch0t+UoDBGmBGTBnDCp5pwkPenqY8cQOdFU/W7z6dWzrReOd2Zs1NuvDVLMmHEgKHio6rqVXuLhaBuXZ+cf0z2L7vENDi0wLt/PM0xFR04qFCJebByNhyKtWOrI+UCBD0x7RcvwcBrqN3JFxWJra4XUJ8uVZCmFL242j4DyHnRiLQ58xOhej+QEuhrf6J33cK1CDa29mNRluMyECkaXRJFlD+beG49UwUSlG1IbgnhTGZ7egs7YUFp1fdrsl8Bfog+HpmGn232j5LIpsnfDIatzAYoUZhlCE0m0BI2qOdSfE17I691vZGjxjrSTSJW611GiRRtq5FytW4SQ6GDZtetCx5e7cJqwkrJRx/i3dJiozI1omewRoxJXK5rS4DNqpN+DkooSdGR6F2ZQcZvVJljC2wEIGjnHW8OuhcA419DowOartDVDaforBbC3KlrTG497hmEphLse9gojgqYWk91 BSFOBFo5 LJXXVlZkXevvQXkm/Vi8X+gizpShDv/ma3FYN8f3/MLjxFOLWyHSZkQiIBADmoLp9E35G63NhwTANeobUsXBlL9sEj98eqS6YMjBfHtqfEjA4fBKPnzNvLOeSB6Mf9z/2c26Heo3pz7VIEiEdQUuwH9HRPP6EKBlavIUDDp6aEr2B/TZSp9yek55Pk+LjSyezJEjilWfRn2+WoXuOOvWqDndTEGM3KsdqcE7V4sbjOKPN6Za8+sWjjMIcAy9DrF+WxxgGZgBzXHrgdXZDq5eafykWFMgz95M+UfQWEEfA8kMd6mUTUjWv5n5oVljbE0xPsIxVHE4s/mriOtaCgLsl8olOhJ+1zP00Co8i1yUovJg9iunoVLDYoHhKhv898KIO0iPFkPjLZs20zatJKyz7XSQdl7sLLlwNGfJ5sT0+UhZN1B+tvqCnxyS/t708hEDTQ4lYQNu5T5s8v90= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The only remaining usage of get_cycles() is to provide random_get_entropy(). Switch powerpc over to the new scheme of selecting ARCH_HAS_RANDOM_ENTROPY and providing random_get_entropy() in asm/random.h. Remove asm/timex.h as it has no functionality anymore. Signed-off-by: Thomas Gleixner Cc: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org --- arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/random.h | 13 +++++++++++++ arch/powerpc/include/asm/timex.h | 21 --------------------- 3 files changed, 14 insertions(+), 21 deletions(-) --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -150,6 +150,7 @@ config PPC select ARCH_HAS_PREEMPT_LAZY select ARCH_HAS_PTDUMP select ARCH_HAS_PTE_SPECIAL + select ARCH_HAS_RANDOM_ENTROPY select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64 select ARCH_HAS_SET_MEMORY select ARCH_HAS_STRICT_KERNEL_RWX if (PPC_BOOK3S || PPC_8xx) && !HIBERNATION --- /dev/null +++ b/arch/powerpc/include/asm/random.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_RANDOM_H +#define _ASM_POWERPC_RANDOM_H + +#include +#include + +static inline unsigned long random_get_entropy(void) +{ + return mftb(); +} + +#endif /* _ASM_POWERPC_RANDOM_H */ --- a/arch/powerpc/include/asm/timex.h +++ b/arch/powerpc/include/asm/timex.h @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_TIMEX_H -#define _ASM_POWERPC_TIMEX_H - -#ifdef __KERNEL__ - -/* - * PowerPC architecture timex specifications - */ - -#include -#include - -ostatic inline cycles_t get_cycles(void) -{ - return mftb(); -} -#define get_cycles get_cycles - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_TIMEX_H */