[v2,07/17] translate-all: remove hole in PageDesc

Message ID	1522980788-1252-8-git-send-email-cota@braap.org
State	New
Headers	show Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> From: "Emilio G. Cota" <cota@braap.org> To: qemu-devel@nongnu.org Date: Thu, 5 Apr 2018 22:12:58 -0400 Message-Id: <1522980788-1252-8-git-send-email-cota@braap.org> In-Reply-To: <1522980788-1252-1-git-send-email-cota@braap.org> References: <1522980788-1252-1-git-send-email-cota@braap.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v2 07/17] translate-all: remove hole in PageDesc Precedence: list Cc: Richard Henderson <richard.henderson@linaro.org>, =?utf-8?q?Alex_Benn?= =?utf-8?b?w6ll?= <alex.bennee@linaro.org>, Paolo Bonzini <pbonzini@redhat.com> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>
Series	tcg: tb_lock_removal redux v2 \| expand [v2,00/17] tcg: tb_lock_removal redux v2 [v2,01/17] qht: require a default comparison function [v2,02/17] qht: return existing entry when qht_insert fails [v2,03/17] tcg: track TBs with per-region BST's [v2,04/17] tcg: move tb_ctx.tb_phys_invalidate_count to tcg_ctx [v2,05/17] translate-all: iterate over TBs in a page with PAGE_FOR_EACH_TB [v2,07/17] translate-all: remove hole in PageDesc [v2,08/17] translate-all: work page-by-page in tb_invalidate_phys_range_1 [v2,09/17] translate-all: move tb_invalidate_phys_page_range up in the file [v2,10/17] translate-all: use per-page locking in !user-mode [v2,11/17] translate-all: add page_locked assertions [v2,12/17] translate-all: add page_collection assertions [v2,13/17] translate-all: discard TB when tb_link_page returns an existing matching TB [v2,14/17] translate-all: protect TB jumps with a per-destination-TB lock [v2,15/17] cputlb: remove tb_lock from tlb_flush functions [v2,16/17] translate-all: remove tb_lock mention from cpu_restore_state_from_tb [v2,17/17] tcg: remove tb_lock

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1522980788-1252-8-git-send-email-cota@braap.org

State

New

Headers

From: "Emilio G. Cota" <cota@braap.org>
To: qemu-devel@nongnu.org
Date: Thu,  5 Apr 2018 22:12:58 -0400
Message-Id: <1522980788-1252-8-git-send-email-cota@braap.org>
In-Reply-To: <1522980788-1252-1-git-send-email-cota@braap.org>
References: <1522980788-1252-1-git-send-email-cota@braap.org>
MIME-Version: 1.0
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Subject: [Qemu-devel] [PATCH v2 07/17] translate-all: remove hole in PageDesc
Precedence: list
Cc: Richard Henderson <richard.henderson@linaro.org>, =?utf-8?q?Alex_Benn?=
	=?utf-8?b?w6ll?= <alex.bennee@linaro.org>,
	Paolo Bonzini <pbonzini@redhat.com>
Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org
Sender: "Qemu-devel"
	<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>

Series

tcg: tb_lock_removal redux v2 | expand

Commit Message

Emilio Cota April 6, 2018, 2:12 a.m. UTC

Groundwork for supporting parallel TCG generation.

Move the hole to the end of the struct, so that a u32
field can be added there without bloating the struct.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
---
 accel/tcg/translate-all.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 83aec43..7c72354 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -107,8 +107,8 @@  typedef struct PageDesc {
 #ifdef CONFIG_SOFTMMU
     /* in order to optimize self modifying code, we count the number
        of lookups we do to a given page to use a bitmap */
-    unsigned int code_write_count;
     unsigned long *code_bitmap;
+    unsigned int code_write_count;
 #else
     unsigned long flags;
 #endif

[v2,07/17] translate-all: remove hole in PageDesc

Commit Message

Patch