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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: David Hildenbrand <david@redhat.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org
Subject: Re: [PATCH v5 03/17] accel/tcg: Suppress auto-invalidate in probe_access_internal
Date: Thu, 29 Sep 2022 12:49:55 +0100	[thread overview]
Message-ID: <87h70q1jtj.fsf@linaro.org> (raw)
In-Reply-To: <20220925105124.82033-4-richard.henderson@linaro.org>


Richard Henderson <richard.henderson@linaro.org> writes:

> When PAGE_WRITE_INV is set when calling tlb_set_page,
> we immediately set TLB_INVALID_MASK in order to force
> tlb_fill to be called on the next lookup.  Here in
> probe_access_internal, we have just called tlb_fill
> and eliminated true misses, thus the lookup must be valid.
>
> This allows us to remove a warning comment from s390x.
> There doesn't seem to be a reason to change the code though.
>
> Cc: David Hildenbrand <david@redhat.com>
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée


  reply	other threads:[~2022-09-29 13:40 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-25 10:51 [PATCH v5 00/17] tcg: CPUTLBEntryFull and TARGET_TB_PCREL Richard Henderson
2022-09-25 10:51 ` [PATCH v5 01/17] accel/tcg: Rename CPUIOTLBEntry to CPUTLBEntryFull Richard Henderson
2022-09-29 11:45   ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 02/17] accel/tcg: Drop addr member from SavedIOTLB Richard Henderson
2022-09-29 11:46   ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 03/17] accel/tcg: Suppress auto-invalidate in probe_access_internal Richard Henderson
2022-09-29 11:49   ` Alex Bennée [this message]
2022-09-29 11:50   ` David Hildenbrand
2022-09-25 10:51 ` [PATCH v5 04/17] accel/tcg: Introduce probe_access_full Richard Henderson
2022-09-29 11:51   ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 05/17] accel/tcg: Introduce tlb_set_page_full Richard Henderson
2022-09-29 12:00   ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 06/17] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA Richard Henderson
2022-09-29 12:00   ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 07/17] target/sparc: Use tlb_set_page_full Richard Henderson
2022-09-25 10:51 ` [PATCH v5 08/17] accel/tcg: Move byte_swap from MemTxAttrs to CPUTLBEntryFull Richard Henderson
2022-09-29 12:27   ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 09/17] accel/tcg: Add force_aligned " Richard Henderson
2022-09-25 10:51 ` [PATCH v5 10/17] accel/tcg: Remove PageDesc code_bitmap Richard Henderson
2022-09-29 12:27   ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 11/17] accel/tcg: Use bool for page_find_alloc Richard Henderson
2022-09-25 10:51 ` [PATCH v5 12/17] accel/tcg: Use DisasContextBase in plugin_gen_tb_start Richard Henderson
2022-09-25 10:51 ` [PATCH v5 13/17] accel/tcg: Do not align tb->page_addr[0] Richard Henderson
2022-09-25 10:51 ` [PATCH v5 14/17] include/hw/core: Create struct CPUJumpCache Richard Henderson
2022-09-29 13:46   ` Alex Bennée
2022-09-29 16:22     ` Richard Henderson
2022-09-29 17:01       ` Alex Bennée
2022-09-25 10:51 ` [PATCH v5 15/17] accel/tcg: Introduce tb_pc and tb_pc_log Richard Henderson
2022-09-25 10:51 ` [PATCH v5 16/17] accel/tcg: Introduce TARGET_TB_PCREL Richard Henderson
2022-09-30 12:02   ` Peter Maydell
2022-09-30 12:59     ` Alex Bennée
2022-09-30 13:25       ` Peter Maydell
2022-09-30 14:57         ` Alex Bennée
2022-09-30 15:08           ` Peter Maydell
2022-09-30 17:35         ` Richard Henderson
2022-09-25 10:51 ` [PATCH v5 17/17] accel/tcg: Split log_cpu_exec into inline and slow path Richard Henderson
2022-09-29  2:16 ` [PATCH v5 00/17] tcg: CPUTLBEntryFull and TARGET_TB_PCREL Richard Henderson
2022-09-29  6:53   ` Mark Cave-Ayland

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