From: Jinjie Ruan <ruanjinjie@huawei.com>
To: Ada Couprie Diaz <ada.coupriediaz@arm.com>
Cc: <catalin.marinas@arm.com>, <will@kernel.org>, <oleg@redhat.com>,
<sstabellini@kernel.org>, <mark.rutland@arm.com>,
<puranjay@kernel.org>, <broonie@kernel.org>, <mbenes@suse.cz>,
<ryan.roberts@arm.com>, <akpm@linux-foundation.org>,
<chenl311@chinatelecom.cn>, <anshuman.khandual@arm.com>,
<kristina.martsenko@arm.com>, <liaochang1@huawei.com>,
<ardb@kernel.org>, <leitao@debian.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH -next v7 1/7] arm64: ptrace: Replace interrupts_enabled() with regs_irqs_disabled()
Date: Wed, 6 Aug 2025 10:31:34 +0800 [thread overview]
Message-ID: <36bd2bb2-31c8-e38f-e420-407742ccc3cc@huawei.com> (raw)
In-Reply-To: <beb7e8f2-39f8-499f-a173-b8bf2d3296ea@arm.com>
On 2025/8/5 23:05, Ada Couprie Diaz wrote:
> On 29/07/2025 02:54, Jinjie Ruan wrote:
>
>> The generic entry code expects architecture code to provide
>> regs_irqs_disabled(regs) function, but arm64 does not have this and
>> provides inerrupts_enabled(regs), which has the opposite polarity.
> Nit: "interrupts_enabled(regs)"
Good catch! thank you for the review.
>> In preparation for moving arm64 over to the generic entry code,
>> relace arm64's interrupts_enabled() with regs_irqs_disabled() and
>> update its callers under arch/arm64.
>>
>> For the moment, a definition of interrupts_enabled() is provided for
>> the GICv3 driver. Once arch/arm implement regs_irqs_disabled(), this
>> can be removed.
>>
>> Delete the fast_interrupts_enabled() macro as it is unused and we
>> don't want any new users to show up.
>>
>> No functional changes.
>>
>> Acked-by: Mark Rutland <mark.rutland@arm.com>
>> Suggested-by: Mark Rutland <mark.rutland@arm.com>
>> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
>> ---
> Otherwise looks good to me !
> Reviewed-by: Ada Couprie Diaz <ada.coupriediaz@arm.com>
>
next prev parent reply other threads:[~2025-08-06 2:31 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-29 1:54 [PATCH -next v7 0/7] arm64: entry: Convert to generic irq entry Jinjie Ruan
2025-07-29 1:54 ` [PATCH -next v7 1/7] arm64: ptrace: Replace interrupts_enabled() with regs_irqs_disabled() Jinjie Ruan
2025-08-05 15:05 ` Ada Couprie Diaz
2025-08-06 2:31 ` Jinjie Ruan [this message]
2025-07-29 1:54 ` [PATCH -next v7 2/7] arm64: entry: Refactor the entry and exit for exceptions from EL1 Jinjie Ruan
2025-08-05 15:06 ` Ada Couprie Diaz
2025-08-06 2:49 ` Jinjie Ruan
2025-08-11 16:01 ` Ada Couprie Diaz
2025-08-12 11:01 ` Mark Rutland
2025-07-29 1:54 ` [PATCH -next v7 3/7] arm64: entry: Rework arm64_preempt_schedule_irq() Jinjie Ruan
2025-08-05 15:06 ` Ada Couprie Diaz
2025-07-29 1:54 ` [PATCH -next v7 4/7] arm64: entry: Use preempt_count() and need_resched() helper Jinjie Ruan
2025-08-05 15:06 ` Ada Couprie Diaz
2025-07-29 1:54 ` [PATCH -next v7 5/7] arm64: entry: Refactor preempt_schedule_irq() check code Jinjie Ruan
2025-08-05 15:06 ` Ada Couprie Diaz
2025-08-06 6:26 ` Jinjie Ruan
2025-08-06 6:39 ` Jinjie Ruan
2025-08-11 16:02 ` Ada Couprie Diaz
2025-08-11 16:02 ` Ada Couprie Diaz
2025-08-14 8:49 ` Jinjie Ruan
2025-08-12 11:13 ` Mark Rutland
2025-08-14 9:31 ` Jinjie Ruan
2025-07-29 1:54 ` [PATCH -next v7 6/7] arm64: entry: Move arm64_preempt_schedule_irq() into __exit_to_kernel_mode() Jinjie Ruan
2025-08-05 15:07 ` Ada Couprie Diaz
2025-07-29 1:54 ` [PATCH -next v7 7/7] arm64: entry: Switch to generic IRQ entry Jinjie Ruan
2025-08-05 15:07 ` Ada Couprie Diaz
2025-08-06 6:59 ` Jinjie Ruan
2025-08-05 15:08 ` [PATCH -next v7 0/7] arm64: entry: Convert to generic irq entry Ada Couprie Diaz
2025-08-06 8:11 ` Jinjie Ruan
2025-08-11 16:03 ` Ada Couprie Diaz
2025-08-14 9:37 ` Jinjie Ruan
2025-08-12 11:19 ` Mark Rutland
2025-08-14 9:39 ` Jinjie Ruan
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