From: Max Filippov <jcmvbkbc@gmail.com>
To: linux-xtensa@linux-xtensa.org
Cc: Chris Zankel <chris@zankel.net>,
linux-kernel@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>
Subject: [PATCH 1/5] xtensa: drop dead code from entry.S
Date: Mon, 18 Apr 2022 10:12:01 -0700 [thread overview]
Message-ID: <20220418171205.2413168-2-jcmvbkbc@gmail.com> (raw)
In-Reply-To: <20220418171205.2413168-1-jcmvbkbc@gmail.com>
KERNEL_STACK_OVERFLOW_CHECK is incomplete and have never been enabled.
Remove it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
arch/xtensa/kernel/entry.S | 18 ------------------
1 file changed, 18 deletions(-)
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 6b6eff658795..3c0b1aac7aba 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -28,15 +28,6 @@
#include <asm/tlbflush.h>
#include <variant/tie-asm.h>
-/* Unimplemented features. */
-
-#undef KERNEL_STACK_OVERFLOW_CHECK
-
-/* Not well tested.
- *
- * - fast_coprocessor
- */
-
/*
* Macro to find first bit set in WINDOWBASE from the left + 1
*
@@ -350,15 +341,6 @@ KABI_W _bbsi.l a2, 3, 1f
l32i a0, a1, PT_AREG0 # restore saved a0
wsr a0, depc
-#ifdef KERNEL_STACK_OVERFLOW_CHECK
-
- /* Stack overflow check, for debugging */
- extui a2, a1, TASK_SIZE_BITS,XX
- movi a3, SIZE??
- _bge a2, a3, out_of_stack_panic
-
-#endif
-
/*
* This is the common exception handler.
* We get here from the user exception handler or simply by falling through
--
2.30.2
next prev parent reply other threads:[~2022-04-18 17:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-18 17:12 [PATCH 0/5] xtensa: enable context tracking and VIRT_CPU_ACCOUNTING_GEN Max Filippov
2022-04-18 17:12 ` Max Filippov [this message]
2022-04-18 17:12 ` [PATCH 2/5] xtensa: move trace_hardirqs_off call back to entry.S Max Filippov
2022-04-18 17:12 ` [PATCH 3/5] xtensa: use abi_* register names in the kernel exit code Max Filippov
2022-04-18 17:12 ` [PATCH 4/5] xtensa: enable context tracking Max Filippov
2022-04-18 17:12 ` [PATCH 5/5] xtensa: enable HAVE_VIRT_CPU_ACCOUNTING_GEN Max Filippov
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=20220418171205.2413168-2-jcmvbkbc@gmail.com \
--to=jcmvbkbc@gmail.com \
--cc=chris@zankel.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-xtensa@linux-xtensa.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
all inboxes | Powered by JetHome®