From: Mark Rutland <mark.rutland@arm.com>
To: Joey Gouly <joey.gouly@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com,
james.morse@arm.com, maz@kernel.org, will@kernel.org, nd@arm.com
Subject: Re: [PATCH v2 07/19] arm64: entry: convert IRQ+FIQ handlers to C
Date: Fri, 21 May 2021 16:23:00 +0100 [thread overview]
Message-ID: <20210521152300.GB9239@C02TD0UTHF1T.local> (raw)
In-Reply-To: <20210521131915.GC35816@e124191.cambridge.arm.com>
On Fri, May 21, 2021 at 02:19:15PM +0100, Joey Gouly wrote:
> Hi Mark,
>
> On Wed, May 19, 2021 at 01:38:50PM +0100, Mark Rutland wrote:
> > For various reasons we'd like to convert the bulk of arm64's exception
> > triage logic to C. As a step towards that, this patch converts the EL1
> > and EL0 IRQ+FIQ triage logic to C.
> >
> > Separate C functions are added for the native and compat cases so that
> > in subsequent patches we can handle native/compat differences in C.
> >
> > Since the triage functions can now call arm64_apply_bp_hardening()
> > directly, the do_el0_irq_bp_hardening() wrapper function is removed.
[...]
> > - .macro el0_interrupt_handler, handler:req
> > - user_exit_irqoff
>
> Nothing is using the user_exit_irqoff macro anymore, it could be
> removed?
Sure, I'll get rid of that.
> > - enable_da
> > -
> > - tbz x22, #55, 1f
> > - bl do_el0_irq_bp_hardening
> > -1:
> > - irq_handler \handler
> > - .endm
> > -
>
> [..]
>
> Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Thanks!
Mark.
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next prev parent reply other threads:[~2021-05-21 15:28 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 12:38 [PATCH v2 00/19] arm64: entry: migrate more code to C Mark Rutland
2021-05-19 12:38 ` [PATCH v2 01/19] arm64: remove redundant local_daif_mask() in bad_mode() Mark Rutland
2021-05-21 10:39 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 02/19] arm64: entry: unmask IRQ+FIQ after EL0 handling Mark Rutland
2021-05-25 16:45 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 03/19] arm64: entry: convert SError handlers to C Mark Rutland
2021-05-25 13:38 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 04/19] arm64: entry: move arm64_preempt_schedule_irq to entry-common.c Mark Rutland
2021-05-21 11:00 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 05/19] arm64: entry: move preempt logic to C Mark Rutland
2021-05-25 12:50 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 06/19] arm64: entry: add a call_on_irq_stack helper Mark Rutland
2021-05-19 14:46 ` Mark Rutland
2021-05-19 12:38 ` [PATCH v2 07/19] arm64: entry: convert IRQ+FIQ handlers to C Mark Rutland
2021-05-21 13:19 ` Joey Gouly
2021-05-21 15:23 ` Mark Rutland [this message]
2021-05-19 12:38 ` [PATCH v2 08/19] arm64: entry: organise entry handlers consistently Mark Rutland
2021-05-21 16:04 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 09/19] arm64: entry: organise entry vectors consistently Mark Rutland
2021-05-21 16:07 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 10/19] arm64: entry: consolidate EL1 exception returns Mark Rutland
2021-05-21 16:22 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 11/19] arm64: entry: move bad_mode() to entry-common.c Mark Rutland
2021-05-21 16:46 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 12/19] arm64: entry: improve bad_mode() Mark Rutland
2021-05-21 17:02 ` Joey Gouly
2021-05-21 17:10 ` Mark Rutland
2021-05-19 12:38 ` [PATCH v2 13/19] arm64: entry: template the entry asm functions Mark Rutland
2021-05-21 17:16 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 14/19] arm64: entry: handle all vectors with C Mark Rutland
2021-05-21 15:59 ` Joey Gouly
2021-05-21 16:41 ` Mark Rutland
2021-05-19 12:38 ` [PATCH v2 15/19] arm64: entry: split bad stack entry Mark Rutland
2021-05-25 11:25 ` Joey Gouly
2021-05-19 12:38 ` [PATCH v2 16/19] arm64: entry: split SDEI entry Mark Rutland
2021-05-25 11:49 ` Joey Gouly
2021-05-19 12:39 ` [PATCH v2 17/19] arm64: entry: make NMI entry/exit functions static Mark Rutland
2021-05-21 17:21 ` Joey Gouly
2021-05-19 12:39 ` [PATCH v2 18/19] arm64: entry: don't instrument entry code with KCOV Mark Rutland
2021-05-19 12:39 ` [PATCH v2 19/19] arm64: idle: don't instrument idle " Mark Rutland
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