From: Catalin Marinas <catalin.marinas@arm.com>
To: Jinjie Ruan <ruanjinjie@huawei.com>
Cc: mark.rutland@arm.com, sstabellini@kernel.org,
ryan.roberts@arm.com, anshuman.khandual@arm.com,
liaochang1@huawei.com, oleg@redhat.com,
kristina.martsenko@arm.com, linux-kernel@vger.kernel.org,
broonie@kernel.org, chenl311@chinatelecom.cn, leitao@debian.org,
xen-devel@lists.xenproject.org, mbenes@suse.cz, will@kernel.org,
ardb@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v8 0/8] arm64: entry: Convert to generic irq entry
Date: Thu, 4 Sep 2025 21:35:56 +0100 [thread overview]
Message-ID: <aLn4LP7olb89TdbN@arm.com> (raw)
In-Reply-To: <20250815030633.448613-1-ruanjinjie@huawei.com>
On Fri, Aug 15, 2025 at 11:06:25AM +0800, Jinjie Ruan wrote:
> Currently, x86, Riscv, Loongarch use the generic entry which makes
> maintainers' work easier and codes more elegant. So also convert arm64
> to use the generic entry infrastructure from kernel/entry/* by
> switching it to generic IRQ entry first, which will make PREEMPT_DYNAMIC
> and PREEMPT_LAZY use the generic entry common code and remove a lot of
> duplicate code.
>
> Since commit a70e9f647f50 ("entry: Split generic entry into generic
> exception and syscall entry") split the generic entry into generic irq
> entry and generic syscall entry, it is time to convert arm64 to use
> the generic irq entry. And ARM64 will be completely converted to generic
> entry in the upcoming patch series.
>
> The main convert steps are as follows:
> - Split generic entry into generic irq entry and generic syscall to
> make the single patch more concentrated in switching to one thing.
> - Make arm64 easier to use irqentry_enter/exit().
> - Make arm64 closer to the PREEMPT_DYNAMIC code of generic entry.
> - Switch to generic irq entry.
I had a read through the patches and this first step looks fine to me.
If Ada or Mark don't spot any problems, I think the series is a
candidate for 6.18.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Jinjie Ruan <ruanjinjie@huawei.com>
Cc: will@kernel.org, oleg@redhat.com, sstabellini@kernel.org,
mark.rutland@arm.com, ada.coupriediaz@arm.com, mbenes@suse.cz,
broonie@kernel.org, anshuman.khandual@arm.com,
ryan.roberts@arm.com, chenl311@chinatelecom.cn,
liaochang1@huawei.com, kristina.martsenko@arm.com,
leitao@debian.org, ardb@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org
Subject: Re: [PATCH v8 0/8] arm64: entry: Convert to generic irq entry
Date: Thu, 4 Sep 2025 21:35:56 +0100 [thread overview]
Message-ID: <aLn4LP7olb89TdbN@arm.com> (raw)
In-Reply-To: <20250815030633.448613-1-ruanjinjie@huawei.com>
On Fri, Aug 15, 2025 at 11:06:25AM +0800, Jinjie Ruan wrote:
> Currently, x86, Riscv, Loongarch use the generic entry which makes
> maintainers' work easier and codes more elegant. So also convert arm64
> to use the generic entry infrastructure from kernel/entry/* by
> switching it to generic IRQ entry first, which will make PREEMPT_DYNAMIC
> and PREEMPT_LAZY use the generic entry common code and remove a lot of
> duplicate code.
>
> Since commit a70e9f647f50 ("entry: Split generic entry into generic
> exception and syscall entry") split the generic entry into generic irq
> entry and generic syscall entry, it is time to convert arm64 to use
> the generic irq entry. And ARM64 will be completely converted to generic
> entry in the upcoming patch series.
>
> The main convert steps are as follows:
> - Split generic entry into generic irq entry and generic syscall to
> make the single patch more concentrated in switching to one thing.
> - Make arm64 easier to use irqentry_enter/exit().
> - Make arm64 closer to the PREEMPT_DYNAMIC code of generic entry.
> - Switch to generic irq entry.
I had a read through the patches and this first step looks fine to me.
If Ada or Mark don't spot any problems, I think the series is a
candidate for 6.18.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2025-09-05 3:26 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-15 3:06 [PATCH v8 0/8] arm64: entry: Convert to generic irq entry Jinjie Ruan
2025-08-15 3:06 ` [PATCH v8 1/8] arm64: ptrace: Replace interrupts_enabled() with regs_irqs_disabled() Jinjie Ruan
2025-08-15 3:06 ` [PATCH v8 2/8] arm64: entry: Refactor the entry and exit for exceptions from EL1 Jinjie Ruan
2025-08-15 3:06 ` [PATCH v8 3/8] arm64: entry: Rework arm64_preempt_schedule_irq() Jinjie Ruan
2025-08-15 3:06 ` [PATCH v8 4/8] arm64: entry: Use preempt_count() and need_resched() helper Jinjie Ruan
2025-08-15 3:06 ` [PATCH v8 5/8] entry: Add arch_irqentry_exit_need_resched() for arm64 Jinjie Ruan
2025-08-21 16:24 ` Ada Couprie Diaz
2025-08-21 16:24 ` Ada Couprie Diaz
2025-08-15 3:06 ` [PATCH v8 6/8] arm64: entry: Refactor preempt_schedule_irq() check code Jinjie Ruan
2025-08-21 16:25 ` Ada Couprie Diaz
2025-08-21 16:25 ` Ada Couprie Diaz
2025-08-15 3:06 ` [PATCH v8 7/8] arm64: entry: Move arm64_preempt_schedule_irq() into __exit_to_kernel_mode() Jinjie Ruan
2025-08-15 3:06 ` [PATCH v8 8/8] arm64: entry: Switch to generic IRQ entry Jinjie Ruan
2025-08-17 21:14 ` [PATCH v8 0/8] arm64: entry: Convert to generic irq entry kemal
2025-08-18 3:43 ` Jinjie Ruan
2025-09-04 20:35 ` Catalin Marinas [this message]
2025-09-04 20:35 ` Catalin Marinas
2025-09-11 16:11 ` Will Deacon
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