From f53435f232130b4454f82bde30a81ddb308b6366 Mon Sep 17 00:00:00 2001
From: Mark Ryan <markdryan@rivosinc.com>
Date: Fri, 23 Feb 2024 09:19:58 +0000
Subject: [PATCH] TST: Skip test_rolling_var_numerical_issues on riscv64
 platforms

The test is failing on riscv64.  The failure is reproducible under
qemu and on real hardware (VisionFive 2).

Updates #38921
---
 pandas/compat/__init__.py           | 12 ++++++++++++
 pandas/tests/window/test_rolling.py |  3 ++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/pandas/compat/__init__.py b/pandas/compat/__init__.py
index caa00b205a29c..572dd8c9b61a0 100644
--- a/pandas/compat/__init__.py
+++ b/pandas/compat/__init__.py
@@ -122,6 +122,18 @@ def is_platform_power() -> bool:
     return platform.machine() in ("ppc64", "ppc64le")
 
 
+def is_platform_riscv64() -> bool:
+    """
+    Checking if the running platform use riscv64 architecture.
+
+    Returns
+    -------
+    bool
+        True if the running platform uses riscv64 architecture.
+    """
+    return platform.machine() == "riscv64"
+
+
 def is_ci_environment() -> bool:
     """
     Checking if running in a continuous integration environment by checking
diff --git a/pandas/tests/window/test_rolling.py b/pandas/tests/window/test_rolling.py
index 85821ed2cfb6f..fc8d7f69b8180 100644
--- a/pandas/tests/window/test_rolling.py
+++ b/pandas/tests/window/test_rolling.py
@@ -10,6 +10,7 @@
     IS64,
     is_platform_arm,
     is_platform_power,
+    is_platform_riscv64,
 )
 
 from pandas import (
@@ -1081,7 +1082,7 @@ def test_rolling_sem(frame_or_series):
 
 
 @pytest.mark.xfail(
-    is_platform_arm() or is_platform_power(),
+    is_platform_arm() or is_platform_power() or is_platform_riscv64(),
     reason="GH 38921",
 )
 @pytest.mark.parametrize(