From: Christoph Hellwig <hch@infradead.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andreas Larsson <andreas@gaisler.com>,
Andy Lutomirski <luto@kernel.org>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>, Brian Cain <bcain@quicinc.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Christoph Hellwig <hch@infradead.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Dave Hansen <dave.hansen@linux.intel.com>,
Dinh Nguyen <dinguyen@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Guo Ren <guoren@kernel.org>, Helge Deller <deller@gmx.de>,
Huacai Chen <chenhuacai@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Johannes Berg <johannes@sipsolutions.net>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Kent Overstreet <kent.overstreet@linux.dev>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Luis Chamberlain <mcgrof@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Simek <monstr@monstr.eu>, Oleg Nesterov <oleg@redhat.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Peter Zijlstra <peterz@infradead.org>,
Richard Weinberger <richard@nod.at>,
Russell King <linux@armlinux.org.uk>, Song Liu <song@kernel.org>,
Stafford Horne <shorne@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Thomas Gleixner <tglx@linutronix.de>,
Uladzislau Rezki <urezki@gmail.com>,
Vineet Gupta <vgupta@kernel.org>, Will Deacon <will@kernel.org>,
bpf@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mips@vger.kernel.org, linux-mm@kvack.org,
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linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org,
linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev,
sparclinux@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages
Date: Wed, 9 Oct 2024 23:58:33 -0700 [thread overview]
Message-ID: <Zwd7GRyBtCwiAv1v@infradead.org> (raw)
In-Reply-To: <20241009180816.83591-8-rppt@kernel.org>
On Wed, Oct 09, 2024 at 09:08:15PM +0300, Mike Rapoport wrote:
> /**
> * struct execmem_info - architecture parameters for code allocations
> + * @fill_trapping_insns: set memory to contain instructions that will trap
> * @ranges: array of parameter sets defining architecture specific
> * parameters for executable memory allocations. The ranges that are not
> * explicitly initialized by an architecture use parameters defined for
> * @EXECMEM_DEFAULT.
> */
> struct execmem_info {
> + void (*fill_trapping_insns)(void *ptr, size_t size, bool writable);
> struct execmem_range ranges[EXECMEM_TYPE_MAX];
Why is the filler an indirect function call and not an architecture
hook?
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andreas Larsson <andreas@gaisler.com>,
Andy Lutomirski <luto@kernel.org>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>, Brian Cain <bcain@quicinc.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Christoph Hellwig <hch@infradead.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Dave Hansen <dave.hansen@linux.intel.com>,
Dinh Nguyen <dinguyen@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Guo Ren <guoren@kernel.org>, Helge Deller <deller@gmx.de>,
Huacai Chen <chenhuacai@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Johannes Berg <johannes@sipsolutions.net>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Kent Overstreet <kent.overstreet@linux.dev>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Luis Chamberlain <mcgrof@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Simek <monstr@monstr.eu>, Oleg Nesterov <oleg@redhat.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Peter Zijlstra <peterz@infradead.org>,
Richard Weinberger <richard@nod.at>,
Russell King <linux@armlinux.org.uk>, Song Liu <song@kernel.org>,
Stafford Horne <shorne@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Thomas Gleixner <tglx@linutronix.de>,
Uladzislau Rezki <urezki@gmail.com>,
Vineet Gupta <vgupta@kernel.org>, Will Deacon <will@kernel.org>,
bpf@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mips@vger.kernel.org, linux-mm@kvack.org,
linux-modules@vger.kernel.org, linux-openrisc@vger.kernel.org,
linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org,
linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev,
sparclinux@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages
Date: Wed, 9 Oct 2024 23:58:33 -0700 [thread overview]
Message-ID: <Zwd7GRyBtCwiAv1v@infradead.org> (raw)
In-Reply-To: <20241009180816.83591-8-rppt@kernel.org>
On Wed, Oct 09, 2024 at 09:08:15PM +0300, Mike Rapoport wrote:
> /**
> * struct execmem_info - architecture parameters for code allocations
> + * @fill_trapping_insns: set memory to contain instructions that will trap
> * @ranges: array of parameter sets defining architecture specific
> * parameters for executable memory allocations. The ranges that are not
> * explicitly initialized by an architecture use parameters defined for
> * @EXECMEM_DEFAULT.
> */
> struct execmem_info {
> + void (*fill_trapping_insns)(void *ptr, size_t size, bool writable);
> struct execmem_range ranges[EXECMEM_TYPE_MAX];
Why is the filler an indirect function call and not an architecture
hook?
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Andreas Larsson <andreas@gaisler.com>,
Andy Lutomirski <luto@kernel.org>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>, Brian Cain <bcain@quicinc.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Christoph Hellwig <hch@infradead.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Dave Hansen <dave.hansen@linux.intel.com>,
Dinh Nguyen <dinguyen@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Guo Ren <guoren@kernel.org>, Helge Deller <deller@gmx.de>,
Huacai Chen <chenhuacai@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Johannes Berg <johannes@sipsolutions.net>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Kent Overstreet <kent.overstreet@linux.dev>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Luis Chamberlain <mcgrof@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Simek <monstr@monstr.eu>, Oleg Nesterov <oleg@redhat.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Peter Zijlstra <peterz@infradead.org>,
Richard Weinberger <richard@nod.at>,
Russell King <linux@armlinux.org.uk>, Song Liu <song@kernel.org>,
Stafford Horne <shorne@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Thomas Gleixner <tglx@linutronix.de>,
Uladzislau Rezki <urezki@gmail.com>,
Vineet Gupta <vgupta@kernel.org>, Will Deacon <will@kernel.org>,
bpf@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mips@vger.kernel.org, linux-mm@kvack.org,
linux-modules@vger.kernel.org, linux-openrisc@vger.kernel.org,
linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org,
linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev,
sparclinux@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages
Date: Wed, 9 Oct 2024 23:58:33 -0700 [thread overview]
Message-ID: <Zwd7GRyBtCwiAv1v@infradead.org> (raw)
In-Reply-To: <20241009180816.83591-8-rppt@kernel.org>
On Wed, Oct 09, 2024 at 09:08:15PM +0300, Mike Rapoport wrote:
> /**
> * struct execmem_info - architecture parameters for code allocations
> + * @fill_trapping_insns: set memory to contain instructions that will trap
> * @ranges: array of parameter sets defining architecture specific
> * parameters for executable memory allocations. The ranges that are not
> * explicitly initialized by an architecture use parameters defined for
> * @EXECMEM_DEFAULT.
> */
> struct execmem_info {
> + void (*fill_trapping_insns)(void *ptr, size_t size, bool writable);
> struct execmem_range ranges[EXECMEM_TYPE_MAX];
Why is the filler an indirect function call and not an architecture
hook?
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
next prev parent reply other threads:[~2024-10-10 6:58 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-09 18:08 [PATCH v5 0/8] x86/module: use large ROX pages for text allocations Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` [PATCH v5 1/8] mm: vmalloc: group declarations depending on CONFIG_MMU together Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-10 6:54 ` Christoph Hellwig
2024-10-10 6:54 ` Christoph Hellwig
2024-10-10 6:54 ` Christoph Hellwig
2024-10-09 18:08 ` [PATCH v5 2/8] mm: vmalloc: don't account for number of nodes for HUGE_VMAP allocations Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-10 6:54 ` Christoph Hellwig
2024-10-10 6:54 ` Christoph Hellwig
2024-10-10 6:54 ` Christoph Hellwig
2024-10-09 18:08 ` [PATCH v5 3/8] asm-generic: introduce text-patching.h Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-10 6:55 ` Christoph Hellwig
2024-10-10 6:55 ` Christoph Hellwig
2024-10-10 6:55 ` Christoph Hellwig
2024-10-10 7:22 ` Geert Uytterhoeven
2024-10-10 7:22 ` Geert Uytterhoeven
2024-10-10 7:22 ` Geert Uytterhoeven
2024-10-10 8:04 ` Arnd Bergmann
2024-10-10 8:04 ` Arnd Bergmann
2024-10-10 8:04 ` Arnd Bergmann
2024-10-09 18:08 ` [PATCH v5 4/8] module: prepare to handle ROX allocations for text Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 22:23 ` Song Liu
2024-10-09 22:23 ` Song Liu
2024-10-09 22:23 ` Song Liu
2024-10-10 5:43 ` Mike Rapoport
2024-10-10 5:43 ` Mike Rapoport
2024-10-10 5:43 ` Mike Rapoport
2024-10-10 17:18 ` Song Liu
2024-10-10 17:18 ` Song Liu
2024-10-10 17:18 ` Song Liu
2024-10-09 18:08 ` [PATCH v5 5/8] arch: introduce set_direct_map_valid_noflush() Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-10 6:56 ` Christoph Hellwig
2024-10-10 6:56 ` Christoph Hellwig
2024-10-10 6:56 ` Christoph Hellwig
2024-10-09 18:08 ` [PATCH v5 6/8] x86/module: perpare module loading for ROX allocations of text Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-10 6:57 ` Christoph Hellwig
2024-10-10 6:57 ` Christoph Hellwig
2024-10-10 6:57 ` Christoph Hellwig
2024-10-10 22:54 ` Nathan Chancellor
2024-10-10 22:54 ` Nathan Chancellor
2024-10-10 22:54 ` Nathan Chancellor
2024-10-11 12:58 ` Mike Rapoport
2024-10-11 12:58 ` Mike Rapoport
2024-10-11 12:58 ` Mike Rapoport
2024-10-15 8:29 ` Nathan Chancellor
2024-10-15 8:29 ` Nathan Chancellor
2024-10-15 8:29 ` Nathan Chancellor
2024-10-09 18:08 ` [PATCH v5 7/8] execmem: add support for cache of large ROX pages Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 20:24 ` Andrew Morton
2024-10-09 20:24 ` Andrew Morton
2024-10-09 20:24 ` Andrew Morton
2024-10-10 9:29 ` Mike Rapoport
2024-10-10 9:29 ` Mike Rapoport
2024-10-10 9:29 ` Mike Rapoport
2024-10-10 6:58 ` Christoph Hellwig [this message]
2024-10-10 6:58 ` Christoph Hellwig
2024-10-10 6:58 ` Christoph Hellwig
2024-10-10 12:57 ` Mike Rapoport
2024-10-10 12:57 ` Mike Rapoport
2024-10-10 12:57 ` Mike Rapoport
2024-10-11 7:46 ` Christoph Hellwig
2024-10-11 7:46 ` Christoph Hellwig
2024-10-11 7:46 ` Christoph Hellwig
2024-10-13 8:43 ` Mike Rapoport
2024-10-13 8:43 ` Mike Rapoport
2024-10-13 8:43 ` Mike Rapoport
2024-10-14 3:26 ` Andrew Morton
2024-10-14 3:26 ` Andrew Morton
2024-10-14 3:26 ` Andrew Morton
2024-10-14 19:16 ` Luis Chamberlain
2024-10-14 19:16 ` Luis Chamberlain
2024-10-14 19:16 ` Luis Chamberlain
2024-10-15 4:09 ` Luis Chamberlain
2024-10-15 4:09 ` Luis Chamberlain
2024-10-15 4:09 ` Luis Chamberlain
2024-10-15 5:54 ` Mike Rapoport
2024-10-15 5:54 ` Mike Rapoport
2024-10-15 5:54 ` Mike Rapoport
2024-10-15 20:11 ` Luis Chamberlain
2024-10-15 20:11 ` Luis Chamberlain
2024-10-15 20:11 ` Luis Chamberlain
2024-10-16 10:40 ` Mike Rapoport
2024-10-16 10:40 ` Mike Rapoport
2024-10-16 10:40 ` Mike Rapoport
2024-10-16 23:58 ` Luis Chamberlain
2024-10-16 23:58 ` Luis Chamberlain
2024-10-16 23:58 ` Luis Chamberlain
2024-10-14 5:55 ` Christoph Hellwig
2024-10-14 5:55 ` Christoph Hellwig
2024-10-14 5:55 ` Christoph Hellwig
2024-10-14 13:07 ` Mike Rapoport
2024-10-14 13:07 ` Mike Rapoport
2024-10-14 13:07 ` Mike Rapoport
2024-10-10 18:35 ` Kees Bakker
2024-10-10 18:35 ` Kees Bakker
2024-10-10 18:35 ` Kees Bakker
2024-10-09 18:08 ` [PATCH v5 8/8] x86/module: enable ROX caches for module text Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-09 18:08 ` Mike Rapoport
2024-10-10 8:30 ` Bisected: " Sergey Senozhatsky
2024-10-10 8:30 ` Sergey Senozhatsky
2024-10-10 8:30 ` Sergey Senozhatsky
2024-10-10 15:20 ` Mike Rapoport
2024-10-10 15:20 ` Mike Rapoport
2024-10-10 15:20 ` Mike Rapoport
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