From: Stefano Stabellini <sstabellini@kernel.org>
To: Julien Grall <julien.grall@arm.com>
Cc: xen-devel@lists.xenproject.org, sstabellini@kernel.org,
ian.jackson@eu.citrix.com, jbeulich@suse.com,
Andrew.Cooper3@citrix.com
Subject: Re: [Xen-devel] [PATCH] xen/arm: Allow cleaning the directory even when CONFIG_EARLY_PRINTK is set
Date: Tue, 23 Apr 2019 17:20:54 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.10.1904231709250.24598@sstabellini-ThinkPad-X260> (raw)
Message-ID: <20190424002054.m0jzyoAArKm1eGdxuMeKLiVbRueIZjfPx3CAoc3CZ-w@z> (raw)
In-Reply-To: <20190422164106.20331-1-julien.grall@arm.com>
On Mon, 22 Apr 2019, Julien Grall wrote:
> CONFIG_EARLY_PRINTK can only be set when CONFIG_DEBUG is enabled. It can
> be quite convenient to only modify the target.
>
> However, the target clean will not include the .config.
>
> This means CONFIG_DEBUG is not enabled and therefore make will throw
> an error preventing clean to continue.
>
> The check is not moved at linking time.
^ now ?
> Signed-off-by: Julien Grall <julien.grall@arm.com>
>
> ---
>
> This code is pretty nasty, but I haven't found a better way for avoiding
> to check if CONFIG_DEBUG is enabled when the target clean is called.
>
> Ideally we will want to move CONFIG_EARLY_PRINTK in Kconfig. I haven't
> had time yet to look at it properly so far.
Can we include .config in the clean target?
> ---
> xen/arch/arm/Makefile | 5 +++++
> xen/arch/arm/Rules.mk | 7 -------
> 2 files changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile
> index cb902cb6fe..fef508c836 100644
> --- a/xen/arch/arm/Makefile
> +++ b/xen/arch/arm/Makefile
> @@ -101,6 +101,11 @@ prelink.o: $(ALL_OBJS)
> endif
>
> $(TARGET)-syms: prelink.o xen.lds
> +ifneq ($(CONFIG_EARLY_PRINTK), )
> +ifneq ($(CONFIG_DEBUG), y)
> + $(error CONFIG_EARLY_PRINTK enabled for non-debug build)
> +endif
> +endif
> $(LD) $(LDFLAGS) -T xen.lds -N prelink.o \
> $(BASEDIR)/common/symbols-dummy.o -o $(@D)/.$(@F).0
> $(NM) -pa --format=sysv $(@D)/.$(@F).0 \
> diff --git a/xen/arch/arm/Rules.mk b/xen/arch/arm/Rules.mk
> index f264592aef..12150986c5 100644
> --- a/xen/arch/arm/Rules.mk
> +++ b/xen/arch/arm/Rules.mk
> @@ -80,11 +80,4 @@ CFLAGS-$(EARLY_PRINTK) += -DEARLY_PRINTK_BAUD=$(EARLY_PRINTK_BAUD)
> CFLAGS-$(EARLY_PRINTK) += -DEARLY_UART_BASE_ADDRESS=$(EARLY_UART_BASE_ADDRESS)
> CFLAGS-$(EARLY_PRINTK) += -DEARLY_UART_REG_SHIFT=$(EARLY_UART_REG_SHIFT)
>
> -else # !CONFIG_DEBUG
> -
> -ifneq ($(CONFIG_EARLY_PRINTK),)
> -# Early printk is dependant on a debug build.
> -$(error CONFIG_EARLY_PRINTK enabled for non-debug build)
> -endif
> -
> endif
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2019-04-24 0:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-22 16:41 [PATCH] xen/arm: Allow cleaning the directory even when CONFIG_EARLY_PRINTK is set Julien Grall
2019-04-22 16:41 ` [Xen-devel] " Julien Grall
2019-04-24 0:20 ` Stefano Stabellini [this message]
2019-04-24 0:20 ` Stefano Stabellini
2019-04-24 10:47 ` Julien Grall
2019-04-24 10:47 ` [Xen-devel] " Julien Grall
2019-05-23 8:27 ` Jan Beulich
2019-05-23 8:27 ` [Xen-devel] " Jan Beulich
2019-05-23 9:10 ` Julien Grall
2019-05-23 9:10 ` [Xen-devel] " Julien Grall
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=alpine.DEB.2.10.1904231709250.24598@sstabellini-ThinkPad-X260 \
--to=sstabellini@kernel.org \
--cc=Andrew.Cooper3@citrix.com \
--cc=ian.jackson@eu.citrix.com \
--cc=jbeulich@suse.com \
--cc=julien.grall@arm.com \
--cc=xen-devel@lists.xenproject.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;
as well as URLs for NNTP newsgroup(s).