Re: [PATCH v4 0/3] m68k: Improved switch stack handling

[PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-06-23
[PATCH v4 1/3] m68k: save extra registers on more syscall entry points · Michael Schmitz <schmitzmic@gmail.com> · 2021-06-23
[PATCH v4 2/3] m68k: correctly handle IO worker stack frame set-up · Michael Schmitz <schmitzmic@gmail.com> · 2021-06-23
[PATCH v4 3/3] m68k: track syscalls being traced with shallow user context stack · Michael Schmitz <schmitzmic@gmail.com> · 2021-06-23
Re: [PATCH v4 3/3] m68k: track syscalls being traced with shallow user context stack · Geert Uytterhoeven <geert@linux-m68k.org> · 2021-07-25
Re: [PATCH v4 3/3] m68k: track syscalls being traced with shallow user context stack · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-25
Re: [PATCH v4 3/3] m68k: track syscalls being traced with shallow user context stack · Linus Torvalds <torvalds@linux-foundation.org> · 2021-07-25
Re: [PATCH v4 3/3] m68k: track syscalls being traced with shallow user context stack · Greg Ungerer <gerg@kernel.org> · 2021-07-26
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Eric W. Biederman <hidden> · 2021-07-15
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-15
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-17
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Eric W. Biederman <hidden> · 2021-07-17
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-17
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-17
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Andreas Schwab <hidden> · 2021-07-18
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-18
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Brad Boyer <hidden> · 2021-07-18
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-19
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Eric W. Biederman <hidden> · 2021-07-20
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-20
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Eric W. Biederman <hidden> · 2021-07-22
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-23
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Eric W. Biederman <hidden> · 2021-07-23
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-23
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Andreas Schwab <hidden> · 2021-07-24
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-25
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Brad Boyer <hidden> · 2021-07-25
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-26
[RFC][PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Eric W. Biederman <hidden> · 2021-07-26
Re: [RFC][PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Andreas Schwab <hidden> · 2021-07-26
Re: [RFC][PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Eric W. Biederman <hidden> · 2021-07-26
Re: [RFC][PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Andreas Schwab <hidden> · 2021-07-26
Re: [RFC][PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Michael Schmitz <schmitzmic@gmail.com> · 2021-07-26
[PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Eric W. Biederman <hidden> · 2021-07-26
Re: [PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Eric W. Biederman <hidden> · 2021-08-25
Re: [PATCH] signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die · Geert Uytterhoeven <geert@linux-m68k.org> · 2021-08-26
Re: [PATCH v4 0/3] m68k: Improved switch stack handling · Andreas Schwab <hidden> · 2021-07-25

From: Michael Schmitz <schmitzmic@gmail.com>
Date: 2021-07-18 19:47:27
Also in: linux-m68k

Hi Andreas,

On 18/07/21 10:47 pm, Andreas Schwab wrote:

On Jul 18 2021, Michael Schmitz wrote:

quoted

+	addql   #8,%sp
+	addql   #8,%sp
+	addql   #8,%sp
+	addql   #8,%sp
+	addql   #8,%sp
+	addql   #4,%sp

aka     lea     44(%sp),%sp

Thanks - I knew there should be a better way.

Somewhere in entry.S is

addql   #8,%sp
addql   #4,%sp

- is that faster than

lea     12(%sp),%sp ?

Cheers,

	Michael

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