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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: alex.bennee@linaro.org
Subject: Re: [PATCH 03/10] accel/tcg: Use CPUTLBEntryFull.phys_addr in io_failed
Date: Wed, 30 Aug 2023 23:00:38 +0200	[thread overview]
Message-ID: <725eccdb-54c4-20bc-1eed-ac081208ad36@linaro.org> (raw)
In-Reply-To: <20230828185550.573653-4-richard.henderson@linaro.org>

On 28/8/23 20:55, Richard Henderson wrote:
> Since the introduction of CPUTLBEntryFull, we can recover
> the full cpu address space physical address without having
> to examine the MemoryRegionSection.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   accel/tcg/cputlb.c | 12 ++++--------
>   1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
> index 17987f74e5..fd6c956214 100644
> --- a/accel/tcg/cputlb.c
> +++ b/accel/tcg/cputlb.c
> @@ -1385,13 +1385,9 @@ io_prepare(hwaddr *out_offset, CPUArchState *env, hwaddr xlat,
>   
>   static void io_failed(CPUArchState *env, CPUTLBEntryFull *full, vaddr addr,
>                         unsigned size, MMUAccessType access_type, int mmu_idx,
> -                      MemTxResult response, uintptr_t retaddr,
> -                      MemoryRegionSection *section, hwaddr mr_offset)
> +                      MemTxResult response, uintptr_t retaddr)
>   {
> -    hwaddr physaddr = (mr_offset +
> -                       section->offset_within_address_space -
> -                       section->offset_within_region);
> -
> +    hwaddr physaddr = full->phys_addr | (addr & ~TARGET_PAGE_MASK);

To the best of my knowledge:

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>



  reply	other threads:[~2023-08-30 21:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-28 18:55 [PATCH 00/10] plugin and tcg cleanups to cputlb.c Richard Henderson
2023-08-28 18:55 ` [PATCH 01/10] accel/tcg: Simplify tlb_plugin_lookup Richard Henderson
2023-08-28 18:55 ` [PATCH 02/10] accel/tcg: Split out io_prepare and io_failed Richard Henderson
2023-08-28 21:24   ` Philippe Mathieu-Daudé
2023-08-28 18:55 ` [PATCH 03/10] accel/tcg: Use CPUTLBEntryFull.phys_addr in io_failed Richard Henderson
2023-08-30 21:00   ` Philippe Mathieu-Daudé [this message]
2023-08-28 18:55 ` [PATCH 04/10] plugin: Simplify struct qemu_plugin_hwaddr Richard Henderson
2023-08-30 15:37   ` Alex Bennée
2023-08-28 18:55 ` [PATCH 05/10] accel/tcg: Merge cpu_transaction_failed into io_failed Richard Henderson
2023-08-28 21:27   ` Philippe Mathieu-Daudé
2023-08-28 18:55 ` [PATCH 06/10] accel/tcg: Replace direct use of io_readx/io_writex in do_{ld, st}_1 Richard Henderson
2023-08-28 18:55 ` [PATCH 07/10] accel/tcg: Merge io_readx into do_ld_mmio_beN Richard Henderson
2023-08-30 21:08   ` Philippe Mathieu-Daudé
2023-08-28 18:55 ` [PATCH 08/10] accel/tcg: Merge io_writex into do_st_mmio_leN Richard Henderson
2023-08-28 18:55 ` [PATCH 09/10] accel/tcg: Introduce do_ld16_mmio_beN Richard Henderson
2023-08-28 18:55 ` [PATCH 10/10] accel/tcg: Introduce do_st16_mmio_leN Richard Henderson
2023-09-09 21:02 ` [PATCH 00/10] plugin and tcg cleanups to cputlb.c Richard Henderson

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