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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>,
	qemu-ppc@nongnu.org, david@gibson.dropbear.id.au
Cc: alex.bennee@linaro.org, qemu-devel@nongnu.org, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v3 3/3] target-ppc: tlbie should have global effect
Date: Mon, 12 Sep 2016 16:08:50 +1000	[thread overview]
Message-ID: <1473660530.8689.240.camel@kernel.crashing.org> (raw)
In-Reply-To: <1473659314-11813-4-git-send-email-nikunj@linux.vnet.ibm.com>

On Mon, 2016-09-12 at 11:18 +0530, Nikunj A Dadhania wrote:
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index 5026804..d96ff66 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -4448,6 +4448,7 @@ static void gen_tlbie(DisasContext *ctx)
>  #if defined(CONFIG_USER_ONLY)
>      GEN_PRIV;
>  #else
> +    TCGv_i32 t1;
>      CHK_HV;
>  
>      if (NARROW_MODE(ctx)) {
> @@ -4458,6 +4459,11 @@ static void gen_tlbie(DisasContext *ctx)
>      } else {
>          gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
>      }
> +    t1 = tcg_temp_new_i32();
> +    tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
> +    tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH);
> +    tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
> +    tcg_temp_free_i32(t1);
>  #endif /* defined(CONFIG_USER_ONLY) */

Why not do this in the helper ? 

Cheers,
Ben.

  reply	other threads:[~2016-09-12  6:09 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-12  5:48 [Qemu-devel] [PATCH v3 0/3] ppc: Broadcast tlb flush should have global effect Nikunj A Dadhania
2016-09-12  5:48 ` [Qemu-devel] [PATCH v3 1/3] target-ppc: add TLB_NEED_LOCAL_FLUSH flag Nikunj A Dadhania
2016-09-12  5:48 ` [Qemu-devel] [PATCH v3 2/3] target-ppc: add flag in chech_tlb_flush() Nikunj A Dadhania
2016-09-14  3:09   ` David Gibson
2016-09-14  3:49     ` Benjamin Herrenschmidt
2016-09-14  3:53     ` Nikunj A Dadhania
2016-09-14  4:37       ` Benjamin Herrenschmidt
2016-09-14  5:09         ` Nikunj A Dadhania
2016-09-14  5:18         ` David Gibson
2016-09-12  5:48 ` [Qemu-devel] [PATCH v3 3/3] target-ppc: tlbie should have global effect Nikunj A Dadhania
2016-09-12  6:08   ` Benjamin Herrenschmidt [this message]
2016-09-12  6:15     ` Nikunj A Dadhania
2016-09-12  6:21     ` Nikunj A Dadhania
2016-09-12  6:05 ` [Qemu-devel] [PATCH v3 0/3] ppc: Broadcast tlb flush " Benjamin Herrenschmidt
2016-09-12  6:16   ` Nikunj A Dadhania

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