From: Chunyan Zhang <zhang.lyra@gmail.com> To: Russell King - ARM Linux admin <linux@armlinux.org.uk> Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Lvqiang Huang <lvqiang.huang@unisoc.com> Subject: Re: [PATCH] ARM: check stmfd instruction using right shift Date: Wed, 31 Jul 2019 11:30:22 +0800 [thread overview] Message-ID: <CAAfSe-s=UFMvLfVq1xw1OuAwgdiyg-kcFa6ZyAUkkDLnTVuWmQ@mail.gmail.com> (raw) In-Reply-To: <20190730110204.GB1330@shell.armlinux.org.uk> On Tue, 30 Jul 2019 at 19:02, Russell King - ARM Linux admin <linux@armlinux.org.uk> wrote: > > On Tue, Jul 30, 2019 at 03:18:31PM +0800, Chunyan Zhang wrote: > > Gentle ping > > > > probably this patch was missed or entered into spam? > > Please submit it to the patch system, thanks. Ok, thanks. > > > > > On Mon, 22 Jul 2019 at 15:14, Chunyan Zhang <zhang.lyra@gmail.com> wrote: > > > > > > From: Lvqiang Huang <Lvqiang.Huang@unisoc.com> > > > > > > In the commit ef41b5c92498 ("ARM: make kernel oops easier to read"), > > > - .word 0xe92d0000 >> 10 @ stmfd sp!, {} > > > + .word 0xe92d0000 >> 11 @ stmfd sp!, {} > > > then the shift need to change to 11. > > > > > > Fixes: ef41b5c92498 ("ARM: make kernel oops easier to read") > > > Signed-off-by: Lvqiang Huang <Lvqiang.Huang@unisoc.com> > > > Signed-off-by: Chunyan Zhang <zhang.lyra@gmail.com> > > > --- > > > arch/arm/lib/backtrace.S | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S > > > index 7d7952e..926851b 100644 > > > --- a/arch/arm/lib/backtrace.S > > > +++ b/arch/arm/lib/backtrace.S > > > @@ -70,7 +70,7 @@ for_each_frame: tst frame, mask @ Check for address exceptions > > > > > > 1003: ldr r2, [sv_pc, #-4] @ if stmfd sp!, {args} exists, > > > ldr r3, .Ldsi+4 @ adjust saved 'pc' back one > > > - teq r3, r2, lsr #10 @ instruction > > > + teq r3, r2, lsr #11 @ instruction > > > subne r0, sv_pc, #4 @ allow for mov > > > subeq r0, sv_pc, #8 @ allow for mov + stmia > > > > > > -- > > > 1.7.9.5 > > > > > > > -- > RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ > FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up > According to speedtest.net: 11.9Mbps down 500kbps up
WARNING: multiple messages have this Message-ID (diff)
From: Chunyan Zhang <zhang.lyra@gmail.com> To: Russell King - ARM Linux admin <linux@armlinux.org.uk> Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Linux ARM <linux-arm-kernel@lists.infradead.org>, Lvqiang Huang <lvqiang.huang@unisoc.com> Subject: Re: [PATCH] ARM: check stmfd instruction using right shift Date: Wed, 31 Jul 2019 11:30:22 +0800 [thread overview] Message-ID: <CAAfSe-s=UFMvLfVq1xw1OuAwgdiyg-kcFa6ZyAUkkDLnTVuWmQ@mail.gmail.com> (raw) In-Reply-To: <20190730110204.GB1330@shell.armlinux.org.uk> On Tue, 30 Jul 2019 at 19:02, Russell King - ARM Linux admin <linux@armlinux.org.uk> wrote: > > On Tue, Jul 30, 2019 at 03:18:31PM +0800, Chunyan Zhang wrote: > > Gentle ping > > > > probably this patch was missed or entered into spam? > > Please submit it to the patch system, thanks. Ok, thanks. > > > > > On Mon, 22 Jul 2019 at 15:14, Chunyan Zhang <zhang.lyra@gmail.com> wrote: > > > > > > From: Lvqiang Huang <Lvqiang.Huang@unisoc.com> > > > > > > In the commit ef41b5c92498 ("ARM: make kernel oops easier to read"), > > > - .word 0xe92d0000 >> 10 @ stmfd sp!, {} > > > + .word 0xe92d0000 >> 11 @ stmfd sp!, {} > > > then the shift need to change to 11. > > > > > > Fixes: ef41b5c92498 ("ARM: make kernel oops easier to read") > > > Signed-off-by: Lvqiang Huang <Lvqiang.Huang@unisoc.com> > > > Signed-off-by: Chunyan Zhang <zhang.lyra@gmail.com> > > > --- > > > arch/arm/lib/backtrace.S | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S > > > index 7d7952e..926851b 100644 > > > --- a/arch/arm/lib/backtrace.S > > > +++ b/arch/arm/lib/backtrace.S > > > @@ -70,7 +70,7 @@ for_each_frame: tst frame, mask @ Check for address exceptions > > > > > > 1003: ldr r2, [sv_pc, #-4] @ if stmfd sp!, {args} exists, > > > ldr r3, .Ldsi+4 @ adjust saved 'pc' back one > > > - teq r3, r2, lsr #10 @ instruction > > > + teq r3, r2, lsr #11 @ instruction > > > subne r0, sv_pc, #4 @ allow for mov > > > subeq r0, sv_pc, #8 @ allow for mov + stmia > > > > > > -- > > > 1.7.9.5 > > > > > > > -- > RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ > FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up > According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-07-31 3:31 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-22 7:11 [PATCH] ARM: check stmfd instruction using right shift Chunyan Zhang 2019-07-22 7:11 ` Chunyan Zhang 2019-07-22 7:14 ` Chunyan Zhang 2019-07-22 7:14 ` Chunyan Zhang 2019-07-30 7:18 ` Chunyan Zhang 2019-07-30 7:18 ` Chunyan Zhang 2019-07-30 11:02 ` Russell King - ARM Linux admin 2019-07-30 11:02 ` Russell King - ARM Linux admin 2019-07-31 3:30 ` Chunyan Zhang [this message] 2019-07-31 3:30 ` Chunyan Zhang
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