From: Nicholas Piggin <npiggin@gmail.com>
To: linux-arch@vger.kernel.org
Cc: Nicholas Piggin <npiggin@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Arnd Bergmann <arnd@arndb.de>, Brian Cain <bcain@codeaurora.org>,
linux-hexagon@vger.kernel.org
Subject: [PATCH 07/24] hexagon: use asm-generic/mmu_context.h for no-op implementations
Date: Tue, 28 Jul 2020 13:33:48 +1000 [thread overview]
Message-ID: <20200728033405.78469-8-npiggin@gmail.com> (raw)
In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com>
Cc: Brian Cain <bcain@codeaurora.org>
Cc: linux-hexagon@vger.kernel.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/hexagon/include/asm/mmu_context.h | 33 ++++----------------------
1 file changed, 5 insertions(+), 28 deletions(-)
diff --git a/arch/hexagon/include/asm/mmu_context.h b/arch/hexagon/include/asm/mmu_context.h
index cdc4adc0300a..81947764c47d 100644
--- a/arch/hexagon/include/asm/mmu_context.h
+++ b/arch/hexagon/include/asm/mmu_context.h
@@ -15,39 +15,13 @@
#include <asm/pgalloc.h>
#include <asm/mem-layout.h>
-static inline void destroy_context(struct mm_struct *mm)
-{
-}
-
/*
* VM port hides all TLB management, so "lazy TLB" isn't very
* meaningful. Even for ports to architectures with visble TLBs,
* this is almost invariably a null function.
+ *
+ * mm->context is set up by pgd_alloc, so no init_new_context required.
*/
-static inline void enter_lazy_tlb(struct mm_struct *mm,
- struct task_struct *tsk)
-{
-}
-
-/*
- * Architecture-specific actions, if any, for memory map deactivation.
- */
-static inline void deactivate_mm(struct task_struct *tsk,
- struct mm_struct *mm)
-{
-}
-
-/**
- * init_new_context - initialize context related info for new mm_struct instance
- * @tsk: pointer to a task struct
- * @mm: pointer to a new mm struct
- */
-static inline int init_new_context(struct task_struct *tsk,
- struct mm_struct *mm)
-{
- /* mm->context is set up by pgd_alloc */
- return 0;
-}
/*
* Switch active mm context
@@ -74,6 +48,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
/*
* Activate new memory map for task
*/
+#define activate_mm activate_mm
static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
{
unsigned long flags;
@@ -86,4 +61,6 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
/* Generic hooks for arch_dup_mmap and arch_exit_mmap */
#include <asm-generic/mm_hooks.h>
+#include <asm-generic/mmu_context.h>
+
#endif
--
2.23.0
next prev parent reply other threads:[~2020-07-28 3:34 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-28 3:33 [PATCH 00/24] Use asm-generic for mmu_context no-op functions Nicholas Piggin
2020-07-28 3:33 ` [PATCH 01/24] asm-generic: add generic versions of mmu context functions Nicholas Piggin
2020-07-28 4:01 ` Vineet Gupta
2020-07-28 10:37 ` Nicholas Piggin
2020-08-26 13:59 ` Nicholas Piggin
2020-07-28 5:53 ` kernel test robot
2020-07-28 23:52 ` kernel test robot
2020-07-28 3:33 ` [PATCH 02/24] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin
2020-07-28 3:33 ` [PATCH 03/24] arc: " Nicholas Piggin
2020-07-28 3:58 ` Vineet Gupta
2020-07-28 3:33 ` [PATCH 04/24] arm: " Nicholas Piggin
2020-07-28 4:14 ` Vineet Gupta
2020-08-26 14:14 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 05/24] arm64: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 06/24] csky: " Nicholas Piggin
2020-07-28 4:09 ` Guo Ren
2020-07-28 3:33 ` Nicholas Piggin [this message]
2020-08-11 18:34 ` [PATCH 07/24] hexagon: " Brian Cain
2020-07-28 3:33 ` [PATCH 08/24] ia64: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 09/24] m68k: " Nicholas Piggin
2020-07-30 8:11 ` kernel test robot
2020-07-28 3:33 ` [PATCH 10/24] microblaze: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 11/24] mips: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 12/24] nds32: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 13/24] nios2: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 14/24] openrisc: " Nicholas Piggin
2020-07-29 11:45 ` Stafford Horne
2020-08-26 14:33 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 15/24] parisc: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 16/24] powerpc: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 17/24] riscv: " Nicholas Piggin
2020-07-30 21:20 ` Palmer Dabbelt
2020-07-28 3:33 ` [PATCH 18/24] s390: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 19/24] sh: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 20/24] sparc: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 21/24] um: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 22/24] unicore32: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 23/24] x86: " Nicholas Piggin
2020-07-28 10:54 ` peterz
2020-07-28 3:34 ` [PATCH 24/24] xtensa: " Nicholas Piggin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200728033405.78469-8-npiggin@gmail.com \
--to=npiggin@gmail.com \
--cc=arnd@arndb.de \
--cc=bcain@codeaurora.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-hexagon@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).