From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: pbonzini@redhat.com, alex.bennee@linaro.org,
Wei Yang <richardw.yang@linux.intel.com>
Subject: Re: [PATCH v2 1/7] cpu: use ROUND_UP() to define xxx_PAGE_ALIGN
Date: Thu, 24 Oct 2019 13:52:17 +0200 [thread overview]
Message-ID: <55b477b7-877e-954f-2175-ed36fa787600@redhat.com> (raw)
In-Reply-To: <20191023154505.30521-2-richard.henderson@linaro.org>
On 10/23/19 5:44 PM, Richard Henderson wrote:
> From: Wei Yang <richardw.yang@linux.intel.com>
>
> Use ROUND_UP() to define, which is a little bit easy to read.
>
> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
^ one is enough ;)
> Reviewed-by: Juan Quintela <quintela@redhat.com>
> Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
> Message-Id: <20191013021145.16011-2-richardw.yang@linux.intel.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> include/exec/cpu-all.h | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
> index ad9ab85eb3..255bb186ac 100644
> --- a/include/exec/cpu-all.h
> +++ b/include/exec/cpu-all.h
> @@ -220,7 +220,7 @@ extern int target_page_bits;
>
> #define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
> #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
> -#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
> +#define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE)
>
> /* Using intptr_t ensures that qemu_*_page_mask is sign-extended even
> * when intptr_t is 32-bit and we are aligning a long long.
> @@ -228,9 +228,8 @@ extern int target_page_bits;
> extern uintptr_t qemu_host_page_size;
> extern intptr_t qemu_host_page_mask;
>
> -#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
> -#define REAL_HOST_PAGE_ALIGN(addr) (((addr) + qemu_real_host_page_size - 1) & \
> - qemu_real_host_page_mask)
> +#define HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_host_page_size)
> +#define REAL_HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_real_host_page_size)
>
> /* same as PROT_xxx */
> #define PAGE_READ 0x0001
>
next prev parent reply other threads:[~2019-10-24 13:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 15:44 [PATCH v2 0/7] exec: Improve code for TARGET_PAGE_BITS_VARY Richard Henderson
2019-10-23 15:44 ` [PATCH v2 1/7] cpu: use ROUND_UP() to define xxx_PAGE_ALIGN Richard Henderson
2019-10-24 11:52 ` Philippe Mathieu-Daudé [this message]
2019-10-24 12:04 ` Paolo Bonzini
2019-10-24 14:06 ` Richard Henderson
2019-10-24 14:14 ` Paolo Bonzini
2019-10-25 11:48 ` Richard Henderson
2019-10-23 15:45 ` [PATCH v2 2/7] exec: Split out variable page size support to exec-vary.c Richard Henderson
2019-10-25 14:02 ` Alex Bennée
2019-10-23 15:45 ` [PATCH v2 3/7] configure: Detect compiler support for __attribute__((alias)) Richard Henderson
2019-10-25 14:04 ` Alex Bennée
2019-11-08 16:01 ` Thomas Huth
2019-10-23 15:45 ` [PATCH v2 4/7] exec: Use const alias for TARGET_PAGE_BITS_VARY Richard Henderson
2019-10-25 14:28 ` Alex Bennée
2019-10-25 14:51 ` Peter Maydell
2019-10-25 20:43 ` Richard Henderson
2019-10-25 21:01 ` Peter Maydell
2019-10-25 21:16 ` Richard Henderson
2019-10-23 15:45 ` [PATCH v2 5/7] exec: Restrict TARGET_PAGE_BITS_VARY assert to CONFIG_DEBUG_TCG Richard Henderson
2019-10-25 14:44 ` Alex Bennée
2019-10-23 15:45 ` [PATCH v2 6/7] exec: Promote TARGET_PAGE_MASK to target_long Richard Henderson
2019-10-23 15:45 ` [PATCH v2 7/7] exec: Cache TARGET_PAGE_MASK for TARGET_PAGE_BITS_VARY Richard Henderson
2019-10-24 9:29 ` [PATCH v2 0/7] exec: Improve code " no-reply
2019-10-25 13:57 ` Alex Bennée
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