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[Stable-9.1.2,15/58] linux-user/riscv: Fix definition of RISCV_HWPROBE_EXT_ZVFHMIN

Message ID 20241109120901.3295995-15-mjt@tls.msk.ru (mailing list archive)
State New
Headers show
Series Patch Round-up for stable 9.1.2, freeze on 2024-11-18 | expand

Commit Message

Michael Tokarev Nov. 9, 2024, 12:08 p.m. UTC 
From: Yao Zi <ziyao@disroot.org>

Current definition yields a negative 32bits value, messing up hwprobe
result when Zvfhmin extension presents. Replace it by using a 1ULL bit
shift value as done in kernel upstream.

Link: https://github.com/torvalds/linux/commit/5ea6764d9095e234b024054f75ebbccc4f0eb146
Fixes: a3432cf227 ("linux-user/riscv: Sync hwprobe keys with Linux")
Cc: qemu-stable@nongnu.org
Signed-off-by: Yao Zi <ziyao@disroot.org>
Message-ID: <20241022160136.21714-2-ziyao@disroot.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit 310df7a9fe400f32cde8a7edf80daad12cd9cf02)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6d9ed59594..ad8e786aac 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8855,7 +8855,7 @@  static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count)
 #define     RISCV_HWPROBE_EXT_ZFHMIN        (1 << 28)
 #define     RISCV_HWPROBE_EXT_ZIHINTNTL     (1 << 29)
 #define     RISCV_HWPROBE_EXT_ZVFH          (1 << 30)
-#define     RISCV_HWPROBE_EXT_ZVFHMIN       (1 << 31)
+#define     RISCV_HWPROBE_EXT_ZVFHMIN       (1ULL << 31)
 #define     RISCV_HWPROBE_EXT_ZFA           (1ULL << 32)
 #define     RISCV_HWPROBE_EXT_ZTSO          (1ULL << 33)
 #define     RISCV_HWPROBE_EXT_ZACAS         (1ULL << 34)