On 1/13/26 23:59, Michael Tokarev wrote:
splice() &Co are defined since linux 2.6.17.
Assume it is always present.

Signed-off-by: Michael Tokarev <[email protected]>
---
  linux-user/syscall.c | 15 +++------------
  1 file changed, 3 insertions(+), 12 deletions(-)

Reviewed-by: Richard Henderson <[email protected]>

Separately, I wonder if these require safe_* versions to properly handle restart from signal delivery during a blocking operation.


r~


diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 67ad681098..9cc9ed2fbc 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -13450,15 +13450,9 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int 
num, abi_long arg1,
          return ret;
  #endif
-#ifdef CONFIG_SPLICE
-#ifdef TARGET_NR_tee
      case TARGET_NR_tee:
-        {
-            ret = get_errno(tee(arg1,arg2,arg3,arg4));
-        }
+        ret = get_errno(tee(arg1, arg2, arg3, arg4));
          return ret;
-#endif
-#ifdef TARGET_NR_splice
      case TARGET_NR_splice:
          {
              loff_t loff_in, loff_out;
@@ -13488,9 +13482,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int 
num, abi_long arg1,
              }
          }
          return ret;
-#endif
-#ifdef TARGET_NR_vmsplice
-       case TARGET_NR_vmsplice:
+    case TARGET_NR_vmsplice:
          {
              struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
              if (vec != NULL) {
@@ -13501,8 +13493,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int 
num, abi_long arg1,
              }
          }
          return ret;
-#endif
-#endif /* CONFIG_SPLICE */
+
  #ifdef CONFIG_EVENTFD
  #if defined(TARGET_NR_eventfd)
      case TARGET_NR_eventfd:


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