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Donenfeld" To: Christophe Leroy Cc: Andrew Morton , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Michael Ellerman , Nicholas Piggin , Naveen N Rao , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Shuah Khan , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org, llvm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, Adhemerval Zanella , Xi Ruoyao Subject: Re: [PATCH v3 4/5] powerpc/vdso: Wire up getrandom() vDSO implementation on PPC32 Message-ID: References: X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Fri, Aug 30, 2024 at 05:57:08PM +0200, Christophe Leroy wrote: > + * r5: 8-byte counter input/output (saved on stack) > + * > + * r14-r15: counter > + */ > +SYM_FUNC_START(__arch_chacha20_blocks_nostack) > + stwu r1, -96(r1) > + stw r5, 20(r1) > + stmw r14, 24(r1) > + li r31, 4 > + LWZX_LE r14, 0, r5 > + LWZX_LE r15, r31, r5 Why swap endian on the counter?