Remove 32-bit host support

[PATCH 40/50] linux-user/hppa: Drop CONFIG_ATOMIC64 test

Richard Henderson posted 50 patches 2 days, 5 hours ago

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Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Riku Voipio <riku.voipio@iki.fi>, Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, "Daniel P. Berrangé" <berrange@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony PERARD <anthony@xenproject.org>, Paul Durrant <paul@xen.org>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, David Hildenbrand <david@kernel.org>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Peter Xu <peterx@redhat.com>, Li Zhijian <lizhijian@fujitsu.com>, Hyman Huang <yong.huang@smartx.com>, Peter Maydell <peter.maydell@linaro.org>, Helge Deller <deller@gmx.de>, Zhao Liu <zhao1.liu@intel.com>, Eduardo Habkost <eduardo@habkost.net>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Ilya Leoshkevich <iii@linux.ibm.com>, WANG Xuerui <git@xen0n.name>, Stefan Weil <sw@weilnetz.de>

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[PATCH 40/50] linux-user/hppa: Drop CONFIG_ATOMIC64 test

Posted by Richard Henderson 2 days, 5 hours ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/hppa/cpu_loop.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/linux-user/hppa/cpu_loop.c b/linux-user/hppa/cpu_loop.c
index 356cb48acc..e5c0f52d94 100644
--- a/linux-user/hppa/cpu_loop.c
+++ b/linux-user/hppa/cpu_loop.c
@@ -83,20 +83,8 @@ static abi_ulong hppa_lws(CPUHPPAState *env)
                 uint64_t o64, n64, r64;
                 o64 = *(uint64_t *)g2h(cs, old);
                 n64 = *(uint64_t *)g2h(cs, new);
-#ifdef CONFIG_ATOMIC64
-                r64 = qatomic_cmpxchg__nocheck((aligned_uint64_t *)g2h(cs, addr),
-                                               o64, n64);
+                r64 = qatomic_cmpxchg((aligned_uint64_t *)g2h(cs, addr), o64, n64);
                 ret = r64 != o64;
-#else
-                start_exclusive();
-                r64 = *(uint64_t *)g2h(cs, addr);
-                ret = 1;
-                if (r64 == o64) {
-                    *(uint64_t *)g2h(cs, addr) = n64;
-                    ret = 0;
-                }
-                end_exclusive();
-#endif
             }
             break;
         default:
-- 
2.43.0

Re: [PATCH 40/50] linux-user/hppa: Drop CONFIG_ATOMIC64 test

Posted by Pierrick Bouvier 1 day, 13 hours ago

On 1/7/26 9:30 PM, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   linux-user/hppa/cpu_loop.c | 14 +-------------
>   1 file changed, 1 insertion(+), 13 deletions(-)
> 

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>