From: peterz@infradead.org
To: Nicholas Piggin <npiggin@gmail.com>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Arnd Bergmann <arnd@arndb.de>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 23/24] x86: use asm-generic/mmu_context.h for no-op implementations
Date: Tue, 28 Jul 2020 12:54:10 +0200 [thread overview]
Message-ID: <20200728105410.GU119549@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200728033405.78469-24-npiggin@gmail.com>
On Tue, Jul 28, 2020 at 01:34:04PM +1000, Nicholas Piggin wrote:
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: x86@kernel.org
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> ---
> arch/x86/include/asm/mmu_context.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
> index 47562147e70b..255750548433 100644
> --- a/arch/x86/include/asm/mmu_context.h
> +++ b/arch/x86/include/asm/mmu_context.h
> @@ -92,12 +92,14 @@ static inline void switch_ldt(struct mm_struct *prev, struct mm_struct *next)
> }
> #endif
>
> +#define enter_lazy_tlb enter_lazy_tlb
> extern void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk);
>
> /*
> * Init a new mm. Used on mm copies, like at fork()
> * and on mm's that are brand-new, like at execve().
> */
> +#define init_new_context init_new_context
> static inline int init_new_context(struct task_struct *tsk,
> struct mm_struct *mm)
> {
> @@ -117,6 +119,8 @@ static inline int init_new_context(struct task_struct *tsk,
> init_new_context_ldt(mm);
> return 0;
> }
> +
> +#define destroy_context destroy_context
> static inline void destroy_context(struct mm_struct *mm)
> {
> destroy_context_ldt(mm);
> @@ -215,4 +219,6 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
>
> unsigned long __get_current_cr3_fast(void);
>
> +#include <asm-generic/mmu_context.h>
> +
> #endif /* _ASM_X86_MMU_CONTEXT_H */
> --
> 2.23.0
>
next prev parent reply other threads:[~2020-07-28 10:54 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 ` [PATCH 07/24] hexagon: " Nicholas Piggin
2020-08-11 18:34 ` 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 [this message]
2020-07-28 3:34 ` [PATCH 24/24] xtensa: " Nicholas Piggin
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