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From: Deepak Gupta <debug@rivosinc.com>
To: Mark Brown <broonie@kernel.org>
Cc: Richard Henderson <richard.henderson@linaro.org>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Vineet Gupta <vgupta@kernel.org>,
	Russell King <linux@armlinux.org.uk>, Guo Ren <guoren@kernel.org>,
	Huacai Chen <chenhuacai@kernel.org>,
	WANG Xuerui <kernel@xen0n.name>,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Helge Deller <deller@gmx.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Naveen N Rao <naveen@kernel.org>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	"David S. Miller" <davem@davemloft.net>,
	Andreas Larsson <andreas@gaisler.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Chris Zankel <chris@zankel.net>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org,
	loongarch@lists.linux.dev, linux-parisc@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH 2/3] mm: Pass vm_flags to generic_get_unmapped_area()
Date: Wed, 4 Sep 2024 11:53:45 -0700	[thread overview]
Message-ID: <ZtisuRySfREHjnN/@debug.ba.rivosinc.com> (raw)
In-Reply-To: <20240902-mm-generic-shadow-stack-guard-v1-2-9acda38b3dd3@kernel.org>

On Mon, Sep 02, 2024 at 08:08:14PM +0100, Mark Brown wrote:
>In preparation for using vm_flags to ensure guard pages for shadow stacks
>supply them as an argument to generic_get_unmapped_area(). The only user
>outside of the core code is the PowerPC book3s64 implementation which is
>trivially wrapping the generic implementation in the radix_enabled() case.
>
>Signed-off-by: Mark Brown <broonie@kernel.org>

Reviewed-by: Deepak Gupta <debug@rivosinc.com>


WARNING: multiple messages have this Message-ID (diff)
From: Deepak Gupta <debug@rivosinc.com>
To: Mark Brown <broonie@kernel.org>
Cc: Richard Henderson <richard.henderson@linaro.org>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Vineet Gupta <vgupta@kernel.org>,
	Russell King <linux@armlinux.org.uk>, Guo Ren <guoren@kernel.org>,
	Huacai Chen <chenhuacai@kernel.org>,
	WANG Xuerui <kernel@xen0n.name>,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Helge Deller <deller@gmx.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Naveen N Rao <naveen@kernel.org>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	"David S. Miller" <davem@davemloft.net>,
	Andreas Larsson <andreas@gaisler.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Chris Zankel <chris@zankel.net>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org,
	loongarch@lists.linux.dev, linux-parisc@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH 2/3] mm: Pass vm_flags to generic_get_unmapped_area()
Date: Wed, 4 Sep 2024 11:53:45 -0700	[thread overview]
Message-ID: <ZtisuRySfREHjnN/@debug.ba.rivosinc.com> (raw)
In-Reply-To: <20240902-mm-generic-shadow-stack-guard-v1-2-9acda38b3dd3@kernel.org>

On Mon, Sep 02, 2024 at 08:08:14PM +0100, Mark Brown wrote:
>In preparation for using vm_flags to ensure guard pages for shadow stacks
>supply them as an argument to generic_get_unmapped_area(). The only user
>outside of the core code is the PowerPC book3s64 implementation which is
>trivially wrapping the generic implementation in the radix_enabled() case.
>
>Signed-off-by: Mark Brown <broonie@kernel.org>

Reviewed-by: Deepak Gupta <debug@rivosinc.com>


_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc

  parent reply	other threads:[~2024-09-04 18:53 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-02 19:08 [PATCH 0/3] mm: Care about shadow stack guard gap when getting an unmapped area Mark Brown
2024-09-02 19:08 ` Mark Brown
2024-09-02 19:08 ` [PATCH 1/3] mm: Make arch_get_unmapped_area() take vm_flags by default Mark Brown
2024-09-02 19:08   ` Mark Brown
2024-09-03 17:43   ` Lorenzo Stoakes
2024-09-03 17:43     ` Lorenzo Stoakes
2024-09-03 19:35   ` Liam R. Howlett
2024-09-03 19:35     ` Liam R. Howlett
2024-09-03 19:50   ` Helge Deller
2024-09-03 19:50     ` Helge Deller
2024-09-02 19:08 ` [PATCH 2/3] mm: Pass vm_flags to generic_get_unmapped_area() Mark Brown
2024-09-02 19:08   ` Mark Brown
2024-09-03 17:44   ` Lorenzo Stoakes
2024-09-03 17:44     ` Lorenzo Stoakes
2024-09-03 19:37   ` Liam R. Howlett
2024-09-03 19:37     ` Liam R. Howlett
2024-09-04  4:13   ` Michael Ellerman
2024-09-04  4:13     ` Michael Ellerman
2024-09-04 18:53   ` Deepak Gupta [this message]
2024-09-04 18:53     ` Deepak Gupta
2024-09-02 19:08 ` [PATCH 3/3] mm: Care about shadow stack guard gap when getting an unmapped area Mark Brown
2024-09-02 19:08   ` Mark Brown
2024-09-03 17:49   ` Lorenzo Stoakes
2024-09-03 17:49     ` Lorenzo Stoakes
2024-09-03 18:20     ` Mark Brown
2024-09-03 18:20       ` Mark Brown
2024-09-03 19:24       ` Lorenzo Stoakes
2024-09-03 19:24         ` Lorenzo Stoakes
2024-09-03 19:41   ` Liam R. Howlett
2024-09-03 19:41     ` Liam R. Howlett
2024-09-03 19:57     ` Mark Brown
2024-09-03 19:57       ` Mark Brown
2024-09-04 19:07       ` Deepak Gupta
2024-09-04 19:07         ` Deepak Gupta
2024-09-04 18:51   ` Deepak Gupta
2024-09-04 18:51     ` Deepak Gupta

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