From: Petr Mladek <pmladek@suse.com>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: Rich Felker <dalias@libc.org>,
linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-mips@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
Guo Ren <guoren@kernel.org>,
sparclinux@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Richard Weinberger <richard@nod.at>,
x86@kernel.org, Russell King <linux@armlinux.org.uk>,
kasan-dev@googlegroups.com,
Geert Uytterhoeven <geert@linux-m68k.org>,
Mark Salter <msalter@redhat.com>, Dennis Zhou <dennis@kernel.org>,
Matt Turner <mattst88@gmail.com>,
linux-snps-arc@lists.infradead.org,
uclinux-h8-devel@lists.sourceforge.jp,
devicetree@vger.kernel.org, linux-xtensa@linux-xtensa.org,
linux-alpha@vger.kernel.org, linux-um@lists.infradead.org,
linux-m68k@lists.linux-m68k.org, Rob Herring <robh+dt@kernel.org>,
Greentime Hu <green.hu@gmail.com>,
xen-devel@lists.xenproject.org, Stafford Horne <shorne@gmail.com>,
Guan Xuetao <gxt@pku.edu.cn>,
linux-arm-kernel@lists.infradead.org,
Michal Simek <monstr@monstr.eu>, Tony Luck <tony.luck@intel.com>,
linux-mm@kvack.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Paul Burton <paul.burton@mips.com>,
Vineet Gupta <vgupta@synopsys.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
"David S. Miller" <davem@davemloft.net>,
openrisc@lists.librecores.org
Subject: Re: [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 09:28:42 +0000 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
In-Reply-To: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com>
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf > - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
WARNING: multiple messages have this Message-ID (diff)
From: Petr Mladek <pmladek@suse.com>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Christoph Hellwig <hch@lst.de>,
"David S. Miller" <davem@davemloft.net>,
Dennis Zhou <dennis@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greentime Hu <green.hu@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Guan Xuetao <gxt@pku.edu.cn>, Guo Ren <guoren@kernel.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Mark Salter <msalter@redhat.com>,
Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Simek <monstr@monstr.eu>,
Paul Burton <paul.burton@mips.com>, Rich Felker <dalias@libc.org>,
Richard Weinberger <richard@nod.at>,
Rob Herring <robh+dt@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Stafford Horne <shorne@gmail.com>,
Tony Luck <tony.luck@intel.com>,
Vineet Gupta <vgupta@synopsys.com>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
devicetree@vger.kernel.org, kasan-dev@googlegroups.com,
linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-c6x-dev@linux-c6x.org, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mips@vger.kernel.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
linux-um@lists.infradead.org, linux-usb@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org,
openrisc@lists.librecores.org, sparclinux@vger.kernel.org,
uclinux-h8-devel@lists.sourceforge.jp, x86@kernel.org,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 10:28:42 +0100 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
In-Reply-To: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com>
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf =
> - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
WARNING: multiple messages have this Message-ID (diff)
From: Petr Mladek <pmladek@suse.com>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: Rich Felker <dalias@libc.org>,
linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-mips@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
Guo Ren <guoren@kernel.org>,
sparclinux@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Richard Weinberger <richard@nod.at>,
x86@kernel.org, Russell King <linux@armlinux.org.uk>,
kasan-dev@googlegroups.com,
Geert Uytterhoeven <geert@linux-m68k.org>,
Mark Salter <msalter@redhat.com>, Dennis Zhou <dennis@kernel.org>,
Matt Turner <mattst88@gmail.com>,
linux-snps-arc@lists.infradead.org,
uclinux-h8-devel@lists.sourceforge.jp,
devicetree@vger.kernel.org, linux-xtensa@linux-xtensa.org,
linux-alpha@vger.kernel.org, linux-um@lists.infradead.org,
linux-m68k@lists.linux-m68k.org, Rob Herring <robh+dt@kernel.org>,
Greentime Hu <green.hu@gmail.com>,
xen-devel@lists.xenproject.org, Stafford Horne <shorne@gmail.com>,
Guan Xuetao <gxt@pku.edu.cn>,
linux-arm-kernel@lists.infradead.org,
Michal Simek <monstr@monstr.eu>, Tony Luck <tony.luck@intel.com>,
linux-mm@kvack.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Paul Burton <paul.burton@mips.com>,
Vineet Gupta <vgupta@synopsys.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
"David S. Miller" <davem@davemloft.net>,
openrisc@lists.librecores.org
Subject: Re: [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 10:28:42 +0100 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
In-Reply-To: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com>
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf =
> - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Petr Mladek <pmladek@suse.com>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Christoph Hellwig <hch@lst.de>,
"David S. Miller" <davem@davemloft.net>,
Dennis Zhou <dennis@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greentime Hu <green.hu@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Guan Xuetao <gxt@pku.edu.cn>, Guo Ren <guoren@kernel.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Mark Salter <msalter@redhat.com>,
Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Simek <monstr@monstr.eu>,
Paul Burton <paul.burton@mips.com>, Rich Felker <dalias@libc.org>,
Richard Weinberger <richard@nod.at>,
Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 10:28:42 +0100 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
In-Reply-To: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com>
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf =
> - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
WARNING: multiple messages have this Message-ID (diff)
From: Petr Mladek <pmladek@suse.com>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Christoph Hellwig <hch@lst.de>,
"David S. Miller" <davem@davemloft.net>,
Dennis Zhou <dennis@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greentime Hu <green.hu@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Guan Xuetao <gxt@pku.edu.cn>, Guo Ren <guoren@kernel.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Mark Salter <msalter@redhat.com>,
Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Michal Simek <monstr@monstr.eu>,
Paul Burton <paul.burton@mips.com>, Rich Felker <dalias@libc.org>,
Richard Weinberger <richard@nod.at>,
Rob Herring <robh+dt@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Stafford Horne <shorne@gmail.com>,
Tony Luck <tony.luck@intel.com>,
Vineet Gupta <vgupta@synopsys.com>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
devicetree@vger.kernel.org, kasan-dev@googlegroups.com,
linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-c6x-dev@linux-c6x.org, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mips@vger.kernel.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
linux-um@lists.infradead.org, linux-usb@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org,
openrisc@lists.librecores.org, sparclinux@vger.kernel.org,
uclinux-h8-devel@lists.sourceforge.jp, x86@kernel.org,
xen-devel@lists.xenproject.org
Subject: [21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 10:28:42 +0100 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf =
> - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
WARNING: multiple messages have this Message-ID (diff)
From: Petr Mladek <pmladek@suse.com>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: Rich Felker <dalias@libc.org>,
linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-mips@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
Guo Ren <guoren@kernel.org>,
sparclinux@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Richard Weinberger <richard@nod.at>,
x86@kernel.org, Russell King <linux@armlinux.org.uk>,
kasan-dev@googlegroups.com,
Geert Uytterhoeven <geert@linux-m68k.org>,
Mark Salter <msalter@redhat.com>, Dennis Zhou <dennis@kernel.org>,
Matt Turner <mattst88@gmail.com>,
linux-snps-arc@lists.infradead.org,
uclinux-h8-devel@lists.sourceforge.jp,
devicetree@vger.kernel.org, linux-xtensa@linux-xtensa.org,
linux-alpha@vger.kernel.org, linux-um@lists.infradead.org,
linux-m68k@lists.linux-m68k.org, Rob Herring <robh+dt@kernel.org>,
Greentime Hu <green.hu@gmail.com>,
xen-devel@lists.xenproject.org, Stafford Horne <shorne@gmail.com>,
Guan Xuetao <gxt@pku.edu.cn>,
linux-arm-kernel@lists.infradead.org,
Michal Simek <monstr@monstr.eu>, Tony Luck <tony.luck@intel.com>,
linux-mm@kvack.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Paul Burton <paul.burton@mips.com>,
Vineet Gupta <vgupta@synopsys.com>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
"David S. Miller" <davem@davemloft.net>,
openrisc@lists.librecores.org
Subject: Re: [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 10:28:42 +0100 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
In-Reply-To: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com>
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf =
> - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
WARNING: multiple messages have this Message-ID (diff)
From: pmladek@suse.com (Petr Mladek)
To: linux-snps-arc@lists.infradead.org
Subject: [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 10:28:42 +0100 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
In-Reply-To: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com>
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf =
> - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
WARNING: multiple messages have this Message-ID (diff)
From: Petr Mladek <pmladek@suse.com>
To: openrisc@lists.librecores.org
Subject: [OpenRISC] [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants
Date: Thu, 17 Jan 2019 10:28:42 +0100 [thread overview]
Message-ID: <20190117092842.wnvsc6em5mxga3rn@pathway.suse.cz> (raw)
In-Reply-To: <1547646261-32535-22-git-send-email-rppt@linux.ibm.com>
On Wed 2019-01-16 15:44:21, Mike Rapoport wrote:
> As all the memblock allocation functions return NULL in case of error
> rather than panic(), the duplicates with _nopanic suffix can be removed.
[...]
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index c4f0a41..ae65221 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -1147,17 +1147,14 @@ void __init setup_log_buf(int early)
> if (!new_log_buf_len)
> return;
>
> - if (early) {
> - new_log_buf =
> - memblock_alloc(new_log_buf_len, LOG_ALIGN);
> - } else {
> - new_log_buf = memblock_alloc_nopanic(new_log_buf_len,
> - LOG_ALIGN);
> - }
> -
> + new_log_buf = memblock_alloc(new_log_buf_len, LOG_ALIGN);
The above change is enough.
> if (unlikely(!new_log_buf)) {
> - pr_err("log_buf_len: %lu bytes not available\n",
> - new_log_buf_len);
> + if (early)
> + panic("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
panic() is not needed here. printk() will just continue using
the (smaller) static buffer.
> + else
> + pr_err("log_buf_len: %lu bytes not available\n",
> + new_log_buf_len);
> return;
> }
Best Regards,
Petr
next prev parent reply other threads:[~2019-01-17 9:28 UTC|newest]
Thread overview: 308+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 13:44 [PATCH 00/21] Refine memblock API Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 01/21] openrisc: prefer memblock APIs returning virtual address Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [01/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 01/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 02/21] powerpc: use memblock functions " Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [02/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 02/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 03/21] memblock: replace memblock_alloc_base(ANYWHERE) with memblock_phys_alloc Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [03/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 03/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 04/21] memblock: drop memblock_alloc_base_nid() Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [04/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 04/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 05/21] memblock: emphasize that memblock_alloc_range() returns a physical address Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [05/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 05/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 06/21] memblock: memblock_phys_alloc_try_nid(): don't panic Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [06/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 06/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 07/21] memblock: memblock_phys_alloc(): " Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [07/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 07/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 08/21] memblock: drop __memblock_alloc_base() Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [08/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 08/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 15:15 ` Rob Herring
2019-01-16 15:15 ` Rob Herring
2019-01-16 15:15 ` Rob Herring
2019-01-16 15:15 ` [OpenRISC] " Rob Herring
2019-01-16 15:15 ` Rob Herring
2019-01-16 15:15 ` Rob Herring
2019-01-16 15:15 ` Rob Herring
2019-01-16 15:15 ` Rob Herring
2019-01-16 15:15 ` Rob Herring
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 09/21] memblock: drop memblock_alloc_base() Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [09/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 09/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 10/21] memblock: refactor internal allocation functions Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [10/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 10/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 11/21] memblock: make memblock_find_in_range_node() and choose_memblock_flags() static Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [11/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 11/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 12/21] arch: use memblock_alloc() instead of memblock_alloc_from(size, align, 0) Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [12/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 12/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-18 17:53 ` Paul Burton
2019-01-18 17:53 ` Paul Burton
2019-01-18 17:53 ` [OpenRISC] " Paul Burton
2019-01-18 17:53 ` Paul Burton
2019-01-18 17:53 ` Paul Burton
2019-01-18 17:53 ` Paul Burton
2019-01-18 17:53 ` Paul Burton
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 13/21] arch: don't memset(0) memory returned by memblock_alloc() Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [13/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 13/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` [OpenRISC] " Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 14:17 ` Geert Uytterhoeven
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 14/21] ia64: add checks for the return value of memblock_alloc*() Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [14/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 14/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 15/21] sparc: " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [15/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 15/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 17:21 ` David Miller
2019-01-16 17:21 ` [OpenRISC] " David Miller
2019-01-16 17:21 ` David Miller
2019-01-16 17:21 ` David Miller
2019-01-16 17:21 ` [15/21] " David Miller
2019-01-16 17:21 ` [PATCH 15/21] " David Miller
2019-01-16 17:21 ` David Miller
2019-01-16 17:21 ` David Miller
2019-01-16 17:21 ` David Miller
2019-01-16 13:44 ` [PATCH 16/21] mm/percpu: " Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [16/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 16/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 17/21] init/main: " Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [17/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 17/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 18/21] swiotlb: " Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [18/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 18/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 19/21] treewide: " Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [19/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 19/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:27 ` [OpenRISC] " Geert Uytterhoeven
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 15:13 ` [OpenRISC] " Mike Rapoport
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 15:13 ` Mike Rapoport
2019-01-16 14:27 ` Geert Uytterhoeven
2019-01-16 14:32 ` [Xen-devel] " Juergen Gross
2019-01-16 14:32 ` [OpenRISC] " Juergen Gross
2019-01-16 14:32 ` Juergen Gross
2019-01-16 14:32 ` Juergen Gross
2019-01-16 14:32 ` [19/21] " Juergen Gross
2019-01-16 14:32 ` [Xen-devel] [PATCH 19/21] " Juergen Gross
2019-01-16 14:32 ` Juergen Gross
2019-01-16 14:32 ` Juergen Gross
2019-01-16 14:32 ` Juergen Gross
2019-01-16 15:18 ` Rob Herring
2019-01-16 15:18 ` Rob Herring
2019-01-16 15:18 ` [OpenRISC] " Rob Herring
2019-01-16 15:18 ` Rob Herring
2019-01-16 15:18 ` Rob Herring
2019-01-16 15:18 ` Rob Herring
2019-01-16 15:18 ` Rob Herring
2019-01-16 15:18 ` Rob Herring
2019-01-16 15:18 ` Rob Herring
2019-01-17 7:06 ` Guo Ren
2019-01-17 7:06 ` [OpenRISC] " Guo Ren
2019-01-17 7:06 ` Guo Ren
2019-01-17 7:06 ` Guo Ren
2019-01-17 7:06 ` [19/21] " Guo Ren
2019-01-17 7:06 ` [PATCH 19/21] " Guo Ren
2019-01-17 7:06 ` Guo Ren
2019-01-17 7:06 ` Guo Ren
2019-01-17 7:06 ` Guo Ren
2019-01-18 8:43 ` Heiko Carstens
2019-01-18 8:43 ` Heiko Carstens
2019-01-18 8:43 ` [OpenRISC] " Heiko Carstens
2019-01-18 8:43 ` Heiko Carstens
2019-01-18 8:43 ` Heiko Carstens
2019-01-18 8:43 ` [19/21] " Heiko Carstens
2019-01-18 8:43 ` [PATCH 19/21] " Heiko Carstens
2019-01-18 8:43 ` Heiko Carstens
2019-01-18 8:43 ` Heiko Carstens
2019-01-18 18:02 ` Paul Burton
2019-01-18 18:02 ` Paul Burton
2019-01-18 18:02 ` [OpenRISC] " Paul Burton
2019-01-18 18:02 ` Paul Burton
2019-01-18 18:02 ` Paul Burton
2019-01-18 18:02 ` Paul Burton
2019-01-18 18:02 ` Paul Burton
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 20/21] memblock: memblock_alloc_try_nid: don't panic Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [20/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 20/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [PATCH 21/21] memblock: drop memblock_alloc_*_nopanic() variants Mike Rapoport
2019-01-16 13:44 ` [OpenRISC] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` [21/21] " Mike Rapoport
2019-01-16 13:44 ` [PATCH 21/21] " Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-16 13:44 ` Mike Rapoport
2019-01-17 9:28 ` Petr Mladek [this message]
2019-01-17 9:28 ` [OpenRISC] " Petr Mladek
2019-01-17 9:28 ` Petr Mladek
2019-01-17 9:28 ` Petr Mladek
2019-01-17 9:28 ` [21/21] " Petr Mladek
2019-01-17 9:28 ` [PATCH 21/21] " Petr Mladek
2019-01-17 9:28 ` Petr Mladek
2019-01-17 9:28 ` Petr Mladek
2019-01-17 9:28 ` Petr Mladek
2019-01-18 8:42 ` Greg Kroah-Hartman
2019-01-18 8:42 ` Greg Kroah-Hartman
2019-01-18 8:42 ` [OpenRISC] " Greg Kroah-Hartman
2019-01-18 8:42 ` Greg Kroah-Hartman
2019-01-18 8:42 ` Greg Kroah-Hartman
2019-01-18 8:42 ` [21/21] " Greg Kroah-Hartman
2019-01-18 8:42 ` [PATCH 21/21] " Greg Kroah-Hartman
2019-01-18 8:42 ` Greg Kroah-Hartman
2019-01-18 8:42 ` Greg Kroah-Hartman
2019-01-18 8:42 ` Greg Kroah-Hartman
2019-01-16 13:44 ` Mike Rapoport
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