From: Vineet Gupta <vgupta@kernel.org>
To: linux-snps-arc@lists.infradead.org
Cc: linux-kernel@vger.kernel.org,
Shahab Vahedi <Shahab.Vahedi@synopsys.com>,
Alexey Brodkin <abrodkin@synopsys.com>,
Vineet Gupta <vgupta@kernel.org>
Subject: [PATCH 14/20] ARC: entry: ARcompact EV_ProtV to use r10 directly
Date: Mon, 14 Aug 2023 17:48:07 -0700 [thread overview]
Message-ID: <20230815004813.555115-15-vgupta@kernel.org> (raw)
In-Reply-To: <20230815004813.555115-1-vgupta@kernel.org>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
---
arch/arc/kernel/entry-compact.S | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/arc/kernel/entry-compact.S b/arch/arc/kernel/entry-compact.S
index 5cb0cd7e4eab..77f0090554c5 100644
--- a/arch/arc/kernel/entry-compact.S
+++ b/arch/arc/kernel/entry-compact.S
@@ -254,9 +254,8 @@ END(handle_interrupt_level1)
ENTRY(EV_TLBProtV)
- EXCEPTION_PROLOGUE
+ EXCEPTION_PROLOGUE ; ECR returned in r10
- mov r2, r10 ; ECR set into r10 already
lr r0, [efa] ; Faulting Data address (not part of pt_regs saved above)
; Exception auto-disables further Intr/exceptions.
@@ -273,8 +272,7 @@ ENTRY(EV_TLBProtV)
; -Access Violation : 00_23_(00|01|02|03)_00
; x r w r+w
; -Unaligned Access : 00_23_04_00
- ;
- bbit1 r2, ECR_C_BIT_PROTV_MISALIG_DATA, 4f
+ bbit1 r10, ECR_C_BIT_PROTV_MISALIG_DATA, 4f
;========= (6a) Access Violation Processing ========
bl do_page_fault
--
2.34.1
next prev parent reply other threads:[~2023-08-15 0:49 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-15 0:47 [PATCH 00/20] ARC updates Vineet Gupta
2023-08-15 0:47 ` [PATCH 01/20] ARC: uaccess: remove arc specific out-of-line handles for -Os Vineet Gupta
2023-08-15 0:47 ` [PATCH 02/20] ARC: uaccess: use optimized generic __strnlen_user/__strncpy_from_user Vineet Gupta
2023-08-15 0:47 ` [PATCH 03/20] ARC: uaccess: elide unaliged handling if hardware supports Vineet Gupta
2023-08-15 0:47 ` [PATCH 04/20] ARCv2: memset: don't prefetch for len == 0 which happens a alot Vineet Gupta
2023-08-15 0:47 ` [PATCH 05/20] ARC: boot log: eliminate struct cpuinfo_arc #1: mm Vineet Gupta
2023-08-15 0:47 ` [PATCH 06/20] ARC: boot log: eliminate struct cpuinfo_arc #2: cache Vineet Gupta
2023-08-15 0:48 ` [PATCH 07/20] ARC: boot log: eliminate struct cpuinfo_arc #3: don't export Vineet Gupta
2023-08-15 0:48 ` [PATCH 08/20] ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA Vineet Gupta
2023-08-15 0:48 ` [PATCH 09/20] ARC: entry: use gp to cache task pointer (vs. r25) Vineet Gupta
2023-08-15 0:48 ` [PATCH 10/20] ARC: kernel stack: INIT_THREAD need not setup @init_stack in @ksp Vineet Gupta
2023-08-15 0:48 ` [PATCH 11/20] ARC: __switch_to: asm with dwarf ops (vs. inline asm) Vineet Gupta
2023-08-15 0:48 ` [PATCH 12/20] ARC: __switch_to: move ksp to thread_info from thread_struct Vineet Gupta
2023-08-15 0:48 ` [PATCH 13/20] ARC: entry: rework (non-functional) Vineet Gupta
2023-08-15 0:48 ` Vineet Gupta [this message]
2023-08-15 0:48 ` [PATCH 15/20] ARC: entry: EV_MachineCheck dont re-read ECR Vineet Gupta
2023-08-15 0:48 ` [PATCH 16/20] ARC: entry: Add more common chores to EXCEPTION_PROLOGUE Vineet Gupta
2023-08-18 12:56 ` Pavel.Kozlov
2023-08-19 23:13 ` Vineet Gupta
2023-08-19 23:14 ` [PATCH v2 " Vineet Gupta
2023-08-15 0:48 ` [PATCH 17/20] ARC: entry: replace 8 byte OR with 4 byte BSET Vineet Gupta
2023-08-15 0:48 ` [PATCH 18/20] ARC: entry: replace 8 byte ADD.ne with 4 byte ADD2.ne Vineet Gupta
2023-08-15 0:48 ` [PATCH 19/20] ARCv2: entry: rearrange pt_regs slightly Vineet Gupta
2023-08-15 0:48 ` [PATCH 20/20] ARC: pt_regs: create seperate type for ecr Vineet Gupta
2023-08-15 6:03 ` kernel test robot
2023-08-18 3:35 ` [PATCH v2 " Vineet Gupta
2023-08-17 12:09 ` [PATCH " Pavel.Kozlov
2023-08-18 3:37 ` Vineet Gupta
2023-08-22 14:07 ` [PATCH 00/20] ARC updates Pavel Kozlov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230815004813.555115-15-vgupta@kernel.org \
--to=vgupta@kernel.org \
--cc=Shahab.Vahedi@synopsys.com \
--cc=abrodkin@synopsys.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-snps-arc@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox