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From: Heiko Carstens <hca@linux.ibm.com>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
	gor@linux.ibm.com, agordeev@linux.ibm.com, svens@linux.ibm.com,
	gerald.schaefer@linux.ibm.com, borntraeger@de.ibm.com
Subject: Re: [PATCH v1 1/2] s390/pgtable: switch read and write softbits for puds
Date: Fri, 26 Apr 2024 10:50:21 +0200	[thread overview]
Message-ID: <20240426085021.8950-E-hca@linux.ibm.com> (raw)
In-Reply-To: <20240425130555.73132-2-imbrenda@linux.ibm.com>

On Thu, Apr 25, 2024 at 03:05:54PM +0200, Claudio Imbrenda wrote:
> There is no reason for the read and write softbits to be swapped in the
> puds compared to pmds. They are different only because the softbits for
> puds were introduced at the same time when the softbits for pmds were
> swapped.
> 
> The current implementation is not wrong per se, since the macros are
> defined correctly; only the documentation does not reflect reality.
> 
> With this patch, the read and write softbits for large pmd and large
> puds will have the same layout, and will match the existing
> documentation.
> 
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> ---
>  arch/s390/include/asm/pgtable.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Heiko Carstens <hca@linux.ibm.com>

  reply	other threads:[~2024-04-26  8:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-25 13:05 [PATCH v1 0/2] s390/pgtable: misc small improvements Claudio Imbrenda
2024-04-25 13:05 ` [PATCH v1 1/2] s390/pgtable: switch read and write softbits for puds Claudio Imbrenda
2024-04-26  8:50   ` Heiko Carstens [this message]
2024-04-25 13:05 ` [PATCH v1 2/2] s390/pgtable: introduce _REGION3_ENTRY_HARDWARE_BITS_LARGE Claudio Imbrenda
2024-04-26  8:57   ` Heiko Carstens
2024-04-26  9:22     ` Claudio Imbrenda

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