[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <21ee46a1-5e5a-4e8a-b1ba-e7f26c39e325@arm.com>
Date: Mon, 26 Feb 2024 09:56:33 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: linux-arm-kernel@...ts.infradead.org
Cc: broonie@...nel.org, mark.rutland@....com, Will Deacon <will@...nel.org>,
Catalin Marinas <catalin.marinas@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64/hw_breakpoint: Determine lengths from generic perf
breakpoint macros
On 2/26/24 09:52, Anshuman Khandual wrote:
> Both platform i.e ARM_BREAKPOINT_LEN_X and generic i.e HW_BREAKPOINT_LEN_X
> macros are used interchangeably to convert event->attr.bp_len and platform
> breakpoint control arch_hw_breakpoint_ctrl->len. Let's be consistent while
> deriving one from the other. This does not cause any functional changes.
>
> Cc: Will Deacon <will@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> ---
> This applies on v6.8-rc5
>
> arch/arm64/kernel/hw_breakpoint.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c
> index 35225632d70a..1ab9fc865ddd 100644
> --- a/arch/arm64/kernel/hw_breakpoint.c
> +++ b/arch/arm64/kernel/hw_breakpoint.c
> @@ -301,28 +301,28 @@ static int get_hbp_len(u8 hbp_len)
>
> switch (hbp_len) {
> case ARM_BREAKPOINT_LEN_1:
> - len_in_bytes = 1;
> + len_in_bytes = HW_BREAKPOINT_LEN_1;
> break;
> case ARM_BREAKPOINT_LEN_2:
> - len_in_bytes = 2;
> + len_in_bytes = HW_BREAKPOINT_LEN_2;
> break;
> case ARM_BREAKPOINT_LEN_3:
> - len_in_bytes = 3;
> + len_in_bytes = HW_BREAKPOINT_LEN_3;
> break;
> case ARM_BREAKPOINT_LEN_4:
> - len_in_bytes = 4;
> + len_in_bytes = HW_BREAKPOINT_LEN_4;
> break;
> case ARM_BREAKPOINT_LEN_5:
> - len_in_bytes = 5;
> + len_in_bytes = HW_BREAKPOINT_LEN_5;
> break;
> case ARM_BREAKPOINT_LEN_6:
> - len_in_bytes = 6;
> + len_in_bytes = HW_BREAKPOINT_LEN_6;
> break;
> case ARM_BREAKPOINT_LEN_7:
> - len_in_bytes = 7;
> + len_in_bytes = HW_BREAKPOINT_LEN_7;
> break;
> case ARM_BREAKPOINT_LEN_8:
> - len_in_bytes = 8;
> + len_in_bytes = HW_BREAKPOINT_LEN_8;
> break;
> }
>
Please ignore this. Wrong patch got picked up in the git send-email :)
Powered by blists - more mailing lists