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From: David Gibson <david@gibson.dropbear.id.au>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [PATCH v4 04/17] target/ppc: Do not call hreg_compute_mem_idx after ppc_store_msr
Date: Mon, 22 Mar 2021 14:39:37 +1100	[thread overview]
Message-ID: <YFgReeK8T+pW5jor@yekko.fritz.box> (raw)
In-Reply-To: <20210315184615.1985590-5-richard.henderson@linaro.org>

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On Mon, Mar 15, 2021 at 12:46:02PM -0600, Richard Henderson wrote:
> In ppc_store_msr we call hreg_compute_hflags, which itself
> calls hreg_compute_mem_idx.  Rely on ppc_store_msr to update
> everything required by the msr update.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Applied to ppc-for-6.0.

> ---
>  target/ppc/machine.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/target/ppc/machine.c b/target/ppc/machine.c
> index 87d7bffb86..f6eeda9642 100644
> --- a/target/ppc/machine.c
> +++ b/target/ppc/machine.c
> @@ -125,9 +125,6 @@ static int cpu_load_old(QEMUFile *f, void *opaque, int version_id)
>      env->msr ^= env->msr_mask & ~((1ULL << MSR_TGPR) | MSR_HVB);
>      ppc_store_msr(env, msr);
>  
> -    /* Recompute mmu indices */
> -    hreg_compute_mem_idx(env);
> -
>      return 0;
>  }
>  
> @@ -418,14 +415,12 @@ static int cpu_post_load(void *opaque, int version_id)
>  
>      /*
>       * Invalidate all supported msr bits except MSR_TGPR/MSR_HVB
> -     * before restoring
> +     * before restoring.  Note that this recomputes hflags and mem_idx.
>       */
>      msr = env->msr;
>      env->msr ^= env->msr_mask & ~((1ULL << MSR_TGPR) | MSR_HVB);
>      ppc_store_msr(env, msr);
>  
> -    hreg_compute_mem_idx(env);
> -
>      return 0;
>  }
>  

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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  parent reply	other threads:[~2021-03-22  4:14 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-15 18:45 [PATCH v4 00/17] target/ppc: Fix truncation of env->hflags Richard Henderson
2021-03-15 18:45 ` [PATCH v4 01/17] target/ppc: Move helper_regs.h functions out-of-line Richard Henderson
2021-03-16  8:12   ` Cédric Le Goater
2021-03-22  3:25   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 02/17] target/ppc: Move 601 hflags adjustment to hreg_compute_hflags Richard Henderson
2021-03-16  8:12   ` Cédric Le Goater
2021-03-22  3:35   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 03/17] target/ppc: Properly sync cpu state with new msr in cpu_load_old Richard Henderson
2021-03-16  8:15   ` Cédric Le Goater
2021-03-22 16:53     ` Richard Henderson
2021-03-22 23:19       ` David Gibson
2021-03-22  3:38   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 04/17] target/ppc: Do not call hreg_compute_mem_idx after ppc_store_msr Richard Henderson
2021-03-16  8:16   ` Cédric Le Goater
2021-03-22  3:39   ` David Gibson [this message]
2021-03-15 18:46 ` [PATCH v4 05/17] target/ppc: Retain hflags_nmsr only for migration Richard Henderson
2021-03-16  8:16   ` Cédric Le Goater
2021-03-22  3:41   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 06/17] target/ppc: Fix comment for MSR_FE{0,1} Richard Henderson
2021-03-16  8:16   ` Cédric Le Goater
2021-03-22  3:42   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 07/17] target/ppc: Disconnect hflags from MSR Richard Henderson
2021-03-22  3:52   ` David Gibson
2021-03-22 16:55     ` Richard Henderson
2021-03-22 23:54       ` David Gibson
2021-03-23 17:04         ` Richard Henderson
2021-03-24  1:42           ` David Gibson
2021-03-15 18:46 ` [PATCH v4 08/17] target/ppc: Reduce env->hflags to uint32_t Richard Henderson
2021-03-16  8:17   ` Cédric Le Goater
2021-03-22  3:53   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 09/17] target/ppc: Put dbcr0 single-step bits into hflags Richard Henderson
2021-03-22  3:55   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 10/17] target/ppc: Create helper_scv Richard Henderson
2021-03-22  4:00   ` David Gibson
2021-03-22 17:05     ` Richard Henderson
2021-03-22 23:55       ` David Gibson
2021-03-15 18:46 ` [PATCH v4 11/17] target/ppc: Put LPCR[GTSE] in hflags Richard Henderson
2021-03-22  4:18   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 12/17] target/ppc: Remove MSR_SA and MSR_AP from hflags Richard Henderson
2021-03-22  4:20   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 13/17] target/ppc: Remove env->immu_idx and env->dmmu_idx Richard Henderson
2021-03-22  4:26   ` David Gibson
2021-03-22 17:27     ` Richard Henderson
2021-03-23  0:01       ` David Gibson
2021-03-15 18:46 ` [PATCH v4 14/17] hw/ppc/pnv_core: Update hflags after setting msr Richard Henderson
2021-03-22  4:27   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 15/17] hw/ppc/spapr_rtas: " Richard Henderson
2021-03-22  4:27   ` David Gibson
2021-03-15 18:46 ` [PATCH v4 16/17] linux-user/ppc: Fix msr updates for signal handling Richard Henderson
2021-03-15 18:46 ` [PATCH v4 17/17] target/ppc: Validate hflags with CONFIG_DEBUG_TCG Richard Henderson
2021-03-16  8:11 ` [PATCH v4 00/17] target/ppc: Fix truncation of env->hflags Cédric Le Goater

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