From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Subject: [PATCH v4 02/16] accel/tcg: Fix check for page writeability in load_atomic16_or_exit
Date: Thu, 25 May 2023 17:23:20 -0700 [thread overview]
Message-ID: <20230526002334.1760495-3-richard.henderson@linaro.org> (raw)
In-Reply-To: <20230526002334.1760495-1-richard.henderson@linaro.org>
PAGE_WRITE is current writability, as modified by TB protection;
PAGE_WRITE_ORG is the original page writability.
Fixes: cdfac37be0d ("accel/tcg: Honor atomicity of loads")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
accel/tcg/ldst_atomicity.c.inc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/accel/tcg/ldst_atomicity.c.inc b/accel/tcg/ldst_atomicity.c.inc
index 0f6b3f8ab6..57163f5ca2 100644
--- a/accel/tcg/ldst_atomicity.c.inc
+++ b/accel/tcg/ldst_atomicity.c.inc
@@ -191,7 +191,7 @@ static Int128 load_atomic16_or_exit(CPUArchState *env, uintptr_t ra, void *pv)
* another process, because the fallback start_exclusive solution
* provides no protection across processes.
*/
- if (!page_check_range(h2g(p), 16, PAGE_WRITE)) {
+ if (!page_check_range(h2g(p), 16, PAGE_WRITE_ORG)) {
return *p;
}
#endif
--
2.34.1
next prev parent reply other threads:[~2023-05-26 0:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-26 0:23 [PATCH v4 00/16] tcg: Improvements to atomic128 Richard Henderson
2023-05-26 0:23 ` [PATCH v4 01/16] tcg: Fix register move type in tcg_out_ld_helper_ret Richard Henderson
2023-05-30 13:36 ` Peter Maydell
2023-05-26 0:23 ` Richard Henderson [this message]
2023-05-30 13:44 ` [PATCH v4 02/16] accel/tcg: Fix check for page writeability in load_atomic16_or_exit Peter Maydell
2023-05-30 13:58 ` Richard Henderson
2023-05-30 14:06 ` Peter Maydell
2023-05-30 14:29 ` Richard Henderson
2023-05-30 14:48 ` Peter Maydell
2023-05-30 15:09 ` Richard Henderson
2023-05-30 15:18 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 03/16] meson: Split test for __int128_t type from __int128_t arithmetic Richard Henderson
2023-05-30 13:47 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 04/16] qemu/atomic128: Add x86_64 atomic128-ldst.h Richard Henderson
2023-05-26 0:23 ` [PATCH v4 05/16] tcg/i386: Support 128-bit load/store Richard Henderson
2023-05-30 15:02 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 06/16] tcg/aarch64: Rename temporaries Richard Henderson
2023-05-26 0:23 ` [PATCH v4 07/16] tcg/aarch64: Reserve TCG_REG_TMP1, TCG_REG_TMP2 Richard Henderson
2023-05-30 13:52 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 08/16] tcg/aarch64: Simplify constraints on qemu_ld/st Richard Henderson
2023-05-30 13:55 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 09/16] tcg/aarch64: Support 128-bit load/store Richard Henderson
2023-05-26 0:23 ` [PATCH v4 10/16] tcg/ppc: " Richard Henderson
2023-05-26 0:23 ` [PATCH v4 11/16] tcg/s390x: " Richard Henderson
2023-05-26 0:23 ` [PATCH v4 12/16] accel/tcg: Extract load_atom_extract_al16_or_al8 to host header Richard Henderson
2023-05-30 13:58 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 13/16] accel/tcg: Extract store_atom_insert_al16 " Richard Henderson
2023-05-30 13:59 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 14/16] accel/tcg: Add x86_64 load_atom_extract_al16_or_al8 Richard Henderson
2023-05-30 14:01 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 15/16] accel/tcg: Add aarch64 lse2 load_atom_extract_al16_or_al8 Richard Henderson
2023-05-30 14:02 ` Peter Maydell
2023-05-26 0:23 ` [PATCH v4 16/16] accel/tcg: Add aarch64 store_atom_insert_al16 Richard Henderson
2023-05-30 14:04 ` Peter Maydell
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