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Thu, 15 Jan 2026 19:39:20 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: ktokunaga.mail@gmail.com, berrange@redhat.com, pierrick.bouvier@linaro.org, thuth@redhat.com, pbonzini@redhat.com, philmd@linaro.org Subject: [PATCH v2 48/58] target/arm: Drop CONFIG_ATOMIC64 tests Date: Fri, 16 Jan 2026 14:32:54 +1100 Message-ID: <20260116033305.51162-49-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260116033305.51162-1-richard.henderson@linaro.org> References: <20260116033305.51162-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1768535256139158500 Content-Type: text/plain; charset="utf-8" Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- target/arm/ptw.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index a986dc66f6..8b8dc09e72 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -757,20 +757,12 @@ static uint64_t arm_ldq_ptw(CPUARMState *env, S1Trans= late *ptw, =20 if (likely(host)) { /* Page tables are in RAM, and we have the host address. */ -#ifdef CONFIG_ATOMIC64 - data =3D qatomic_read__nocheck((uint64_t *)host); + data =3D qatomic_read((uint64_t *)host); if (ptw->out_be) { data =3D be64_to_cpu(data); } else { data =3D le64_to_cpu(data); } -#else - if (ptw->out_be) { - data =3D ldq_be_p(host); - } else { - data =3D ldq_le_p(host); - } -#endif } else { /* Page tables are in MMIO. */ MemTxAttrs attrs =3D { @@ -798,7 +790,7 @@ static uint64_t arm_casq_ptw(CPUARMState *env, uint64_t= old_val, uint64_t new_val, S1Translate *ptw, ARMMMUFaultInfo *fi) { -#if defined(CONFIG_ATOMIC64) && defined(CONFIG_TCG) +#ifdef CONFIG_TCG uint64_t cur_val; void *host =3D ptw->out_host; =20 @@ -903,17 +895,17 @@ static uint64_t arm_casq_ptw(CPUARMState *env, uint64= _t old_val, if (ptw->out_be) { old_val =3D cpu_to_be64(old_val); new_val =3D cpu_to_be64(new_val); - cur_val =3D qatomic_cmpxchg__nocheck((uint64_t *)host, old_val, ne= w_val); + cur_val =3D qatomic_cmpxchg((uint64_t *)host, old_val, new_val); cur_val =3D be64_to_cpu(cur_val); } else { old_val =3D cpu_to_le64(old_val); new_val =3D cpu_to_le64(new_val); - cur_val =3D qatomic_cmpxchg__nocheck((uint64_t *)host, old_val, ne= w_val); + cur_val =3D qatomic_cmpxchg((uint64_t *)host, old_val, new_val); cur_val =3D le64_to_cpu(cur_val); } return cur_val; #else - /* AArch32 does not have FEAT_HADFS; non-TCG guests only use debug-mod= e. */ + /* Non-TCG guests only use debug-mode. */ g_assert_not_reached(); #endif } --=20 2.43.0