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From: "Philippe Mathieu-Daudé" <philippe.mathieu.daude@gmail.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: Thomas Huth <thuth@redhat.com>
Subject: Re: [PATCH] accel/tcg: Fix cpu_ldq_be_mmu typo
Date: Tue, 15 Mar 2022 02:59:39 +0100	[thread overview]
Message-ID: <9f0a7f26-0166-bd85-10da-4d6b1932ef9a@gmail.com> (raw)
In-Reply-To: <20220315002506.152030-1-richard.henderson@linaro.org>

On 15/3/22 01:25, Richard Henderson wrote:
> In the conversion to cpu_ld_*_mmu, the retaddr parameter
> was corrupted in the one case of cpu_ldq_be_mmu.
> 
> Cc: Thomas Huth <thuth@redhat.com>
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/902
> Fixes: f83bcecb1 ("accel/tcg: Add cpu_{ld,st}*_mmu interfaces")
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> 
> This really should have affected all big-endian guests regardless
> of the host.  I have no idea how the referenced test case fails
> on s390x and ppc64le hosts, but passes on x86_64 host.
> 
> 
> r~
> 
> ---
>   accel/tcg/cputlb.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
> index 3b918fe..2035b2a 100644
> --- a/accel/tcg/cputlb.c
> +++ b/accel/tcg/cputlb.c
> @@ -2174,7 +2174,7 @@ uint32_t cpu_ldl_be_mmu(CPUArchState *env, abi_ptr addr,
>   uint64_t cpu_ldq_be_mmu(CPUArchState *env, abi_ptr addr,
>                           MemOpIdx oi, uintptr_t ra)
>   {
> -    return cpu_load_helper(env, addr, oi, MO_BEUQ, helper_be_ldq_mmu);
> +    return cpu_load_helper(env, addr, oi, ra, helper_be_ldq_mmu);
>   }
>   
>   uint16_t cpu_ldw_le_mmu(CPUArchState *env, abi_ptr addr,

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>


  reply	other threads:[~2022-03-15  2:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-15  0:25 [PATCH] accel/tcg: Fix cpu_ldq_be_mmu typo Richard Henderson
2022-03-15  1:59 ` Philippe Mathieu-Daudé [this message]
2022-03-15  7:37 ` Thomas Huth
2022-05-05 14:22 ` Thomas Huth

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