From: Tony Lindgren <tony@atomide.com>
To: Nishanth Menon <nm@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>, Paul Walmsley <paul@pwsan.com>,
mturquette@linaro.org, linux-omap@vger.kernel.org,
linux-clk@vger.kernel.org, sboyd@codeaurora.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv2 00/27] ARM: OMAP2+: clock code migration to drivers/clk/ti
Date: Thu, 21 May 2015 11:38:32 -0700 [thread overview]
Message-ID: <20150521183832.GU10274@atomide.com> (raw)
In-Reply-To: <555D82CB.5060300@ti.com>
* Nishanth Menon <nm@ti.com> [150521 00:03]:
> On 05/21/2015 01:38 AM, Tero Kristo wrote:
> > On 05/21/2015 01:40 AM, Paul Walmsley wrote:
> >> On Tue, 19 May 2015, Tero Kristo wrote:
> >>
> >>> Any news on this? As noted previously, I am not able to reproduce the
> >>> issue
> >>> you are seeing currently, can you give DEBUG_LL a shot?
> >>
> >> Yeah I just bisected it, it was caused by this:
> >>
> >> commit cc4a5fe972ad7834e8662b49b3a5fdb597e9e15e
> >> Author: Felipe Balbi <balbi@ti.com>
> >> Date: Fri Jan 30 11:18:56 2015 -0600
> >>
> >> arm: config: omap2plus_defconfig: switch over to LZMA compression
> >>
> >> LZMA compression makes about 33% smaller zImage
> >> with just a slight extra decompression time.
> >>
> >> Before this patch, zImage built with o2+_dc
> >> is 4.5MiB and after it's about 3.3MiB.
> >>
> >> Suggested-by: David Cohen <david.a.cohen@linux.intel.com>
> >> Signed-off-by: Felipe Balbi <balbi@ti.com>
> >> Signed-off-by: Tony Lindgren <tony@atomide.com>
> >>
> >>
> >> and the timeouts on the testbed being set to fail if a kernel takes
> >> longer
> >> than five seconds to start. Seems that the part about a "slight extra
> >> decompression time" probably only applies to relatively recent chips.
> >>
> >>
> >> - Paul
> >>
> >
> > Oh, so this explains why I was thinking it took very long time to boot
> > the recent kernels also. The boot lag is clearly noticeable without any
> > measurement. I wonder if we should probably revert this patch.
>
> we already have issues with zImage size bloating up and running headlong
> into dtb - esp on platforms like N900. Felipe spend quiet some time
> getting things into a manageable size here -> loosing 33% sounds like
> bad idea to me :(
If it affects people using the slower 34xx systems we should probably
revert it though. Or make the uncompress somehow faster :)
Regards,
Tony
prev parent reply other threads:[~2015-05-21 18:38 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-11 8:54 [PATCHv2 00/27] ARM: OMAP2+: clock code migration to drivers/clk/ti Tero Kristo
2015-05-11 8:54 ` [PATCHv2 01/27] ARM: OMAP2+: clock: export driver API to setup/get clock features Tero Kristo
2015-05-20 1:19 ` Stephen Boyd
2015-05-11 8:54 ` [PATCHv2 02/27] clk: ti: move generic OMAP DPLL implementation under drivers/clk Tero Kristo
2015-05-20 1:20 ` Stephen Boyd
2015-05-20 17:43 ` Tero Kristo
2015-05-20 17:46 ` Tony Lindgren
2015-05-20 18:23 ` Stephen Boyd
2015-05-11 8:54 ` [PATCHv2 03/27] clk: ti: move OMAP4+ " Tero Kristo
2015-05-11 8:54 ` [PATCHv2 04/27] clk: ti: move interface clock " Tero Kristo
2015-05-11 8:54 ` [PATCHv2 05/27] ARM: OMAP3: dpll3-m2: get rid of obsolete clksel access Tero Kristo
2015-05-11 8:54 ` [PATCHv2 06/27] ARM: OMAP2+: clk: remove obsolete clksel support code Tero Kristo
2015-05-11 8:54 ` [PATCHv2 07/27] ARM: OMAP2+: clock: remove clock_common_data.c file Tero Kristo
2015-05-11 8:54 ` [PATCHv2 08/27] ARM: OMAP36xx: remove clock36xx.c/.h files Tero Kristo
2015-05-11 8:54 ` [PATCHv2 09/27] clk: ti: autoidle: move generic autoidle handling code to clock driver Tero Kristo
2015-05-11 8:54 ` [PATCHv2 10/27] clk: ti: move omap2_clk_enable_init_clocks under " Tero Kristo
2015-05-11 8:54 ` [PATCHv2 11/27] ARM: OMAP2+: clock: remove support for legacy mpurate command line param Tero Kristo
2015-05-11 8:54 ` [PATCHv2 12/27] ARM: OMAP2+: clock: add support for clkdm ops to the low level clk ops Tero Kristo
2015-05-11 8:54 ` [PATCHv2 13/27] ARM: OMAP2+: clock: add support for specific CM ops to ti_clk_ll_ops Tero Kristo
2015-05-11 8:54 ` [PATCHv2 14/27] clk: ti: dpll: move omap3 DPLL functionality to clock driver Tero Kristo
2015-05-11 8:54 ` [PATCHv2 15/27] ARM: OMAP3: clock: remove clock3xxx.c file Tero Kristo
2015-05-11 8:54 ` [PATCHv2 16/27] ARM: OMAP2+: clock: remove clkdm_control static boolean from code Tero Kristo
2015-05-11 8:54 ` [PATCHv2 17/27] clk: ti: dflt: move support for default gate clock to clock driver Tero Kristo
2015-05-11 8:54 ` [PATCHv2 18/27] clk: ti: omap2430: move clock support code under " Tero Kristo
2015-05-11 8:54 ` [PATCHv2 19/27] clk: ti: clkdm: move clkdm gate clock support code to " Tero Kristo
2015-05-11 8:54 ` [PATCHv2 20/27] clk: ti: omap34xx: move omap34xx clock type " Tero Kristo
2015-05-11 8:54 ` [PATCHv2 21/27] ARM: OMAP4: clock: remove clock44xx.h header Tero Kristo
2015-05-11 8:54 ` [PATCHv2 22/27] clk: ti: am3517: move remaining am3517 clock support code to clock driver Tero Kristo
2015-05-11 8:54 ` [PATCHv2 23/27] clk: ti: move some public definitions to private header Tero Kristo
2015-05-11 8:54 ` [PATCHv2 24/27] ARM: OMAP2+: clock: remove dead definitions from the clock header file Tero Kristo
2015-05-11 8:54 ` [PATCHv2 25/27] clk: ti: remove exported ll_ops struct, instead add an API for registration Tero Kristo
2015-05-11 8:54 ` [PATCHv2 26/27] ARM: OMAP2+: clock: remove legacy omap2_clk_readl/writel APIs Tero Kristo
2015-05-11 8:54 ` [PATCHv2 27/27] clk: ti: move low-level access and init code under clock driver Tero Kristo
2015-05-11 20:21 ` [PATCHv2 00/27] ARM: OMAP2+: clock code migration to drivers/clk/ti Paul Walmsley
2015-05-12 10:10 ` Tero Kristo
2015-05-12 20:58 ` Paul Walmsley
2015-05-13 6:46 ` Tero Kristo
2015-05-13 14:55 ` Paul Walmsley
2015-05-19 19:23 ` Tero Kristo
2015-05-20 22:40 ` Paul Walmsley
2015-05-21 6:38 ` Tero Kristo
2015-05-21 7:01 ` Nishanth Menon
2015-05-21 18:38 ` Tony Lindgren [this message]
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