From: Song Gao <gaosong@loongson.cn>
Date: Wed, 1 Nov 2023 03:08:12 +0000 (+0800)
Subject: linux-user/loongarch64: Fix setup_extcontext alloc wrong fpu_context size
X-Git-Tag: v8.2.0-rc0~37^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=420756c2dd1413cdd06e8c86b4bf80fba08f009f;p=thirdparty%2Fqemu.git

linux-user/loongarch64: Fix setup_extcontext alloc wrong fpu_context size

See:
 https://github.com/torvalds/linux/blob/master/arch/loongarch/kernel/signal.c

The alloc size is sizeof(struct target_fpu_context).

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231101030816.2353416-3-gaosong@loongson.cn>
---

diff --git a/linux-user/loongarch64/signal.c b/linux-user/loongarch64/signal.c
index afcee641a6d..6844f187ee6 100644
--- a/linux-user/loongarch64/signal.c
+++ b/linux-user/loongarch64/signal.c
@@ -115,7 +115,7 @@ static abi_ptr setup_extcontext(struct extctx_layout *extctx, abi_ptr sp)
     /* For qemu, there is no lazy fp context switch, so fp always present. */
     extctx->flags = SC_USED_FP;
     sp = extframe_alloc(extctx, &extctx->fpu,
-                        sizeof(struct target_rt_sigframe), FPU_CTX_ALIGN, sp);
+                        sizeof(struct target_fpu_context), FPU_CTX_ALIGN, sp);
 
     return sp;
 }