From: Julien Grall <julien.grall@arm.com> To: Stefano Stabellini <sstabellini@kernel.org> Cc: xen-devel@lists.xenproject.org, Andrii_Anisov@epam.com, Oleksandr_Tyshchenko@epam.com Subject: Re: [PATCH MM-PART2 RESEND v2 06/19] xen/arm: Rework secondary_start prototype Date: Wed, 29 May 2019 18:06:18 +0100 [thread overview] Message-ID: <d91870a5-e8d5-2f6d-b8f5-839c9f206fab@arm.com> (raw) In-Reply-To: <alpine.DEB.2.21.1905201527460.16404@sstabellini-ThinkPad-T480s> Hi, On 20/05/2019 23:56, Stefano Stabellini wrote: > On Tue, 14 May 2019, Julien Grall wrote: >> None of the parameters of secondary_start are actually used. So turn >> secondary_start to a function with no parameters. >> >> Also modify the assembly code to avoid setting-up the registers before >> calling secondary_start. > > It is called "start_secondary" rather than "secondary_start". Please fix > the commit message. Then you can add Whoops, I will update it. > > Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > > >> Signed-off-by: Julien Grall <julien.grall@arm.com> I have also realized I forgot to add --- here. Thank you, >> >> - Re-order the patch with "xen/arm: Remove parameter cpuid from >> start_xen". >> --- >> xen/arch/arm/arm32/head.S | 4 ++-- >> xen/arch/arm/arm64/head.S | 3 ++- >> xen/arch/arm/smpboot.c | 4 +--- >> 3 files changed, 5 insertions(+), 6 deletions(-) >> >> diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S >> index cb8a3bf829..9f40face98 100644 >> --- a/xen/arch/arm/arm32/head.S >> +++ b/xen/arch/arm/arm32/head.S >> @@ -445,9 +445,9 @@ launch: >> ldr sp, [r0] >> add sp, #STACK_SIZE /* (which grows down from the top). */ >> sub sp, #CPUINFO_sizeof /* Make room for CPU save record */ >> - mov r0, r10 /* Marshal args: - phys_offset */ >> - mov r1, r8 /* - DTB address */ >> teq r12, #0 >> + moveq r0, r10 /* Marshal args: - phys_offset */ >> + moveq r1, r8 /* - DTB address */ >> beq start_xen /* and disappear into the land of C */ >> b start_secondary /* (to the appropriate entry point) */ >> >> diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S >> index 075013878e..cb30d6f22e 100644 >> --- a/xen/arch/arm/arm64/head.S >> +++ b/xen/arch/arm/arm64/head.S >> @@ -582,9 +582,10 @@ launch: >> sub x0, x0, #CPUINFO_sizeof /* Make room for CPU save record */ >> mov sp, x0 >> >> + cbnz x22, 1f >> + >> mov x0, x20 /* Marshal args: - phys_offset */ >> mov x1, x21 /* - FDT */ >> - cbnz x22, 1f >> b start_xen /* and disappear into the land of C */ >> 1: >> b start_secondary /* (to the appropriate entry point) */ >> diff --git a/xen/arch/arm/smpboot.c b/xen/arch/arm/smpboot.c >> index f756444362..00b64c3322 100644 >> --- a/xen/arch/arm/smpboot.c >> +++ b/xen/arch/arm/smpboot.c >> @@ -297,9 +297,7 @@ smp_prepare_cpus(void) >> } >> >> /* Boot the current CPU */ >> -void start_secondary(unsigned long boot_phys_offset, >> - unsigned long fdt_paddr, >> - unsigned long hwid) >> +void start_secondary(void) >> { >> unsigned int cpuid = init_data.cpuid; >> >> -- >> 2.11.0 >> -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
WARNING: multiple messages have this Message-ID (diff)
From: Julien Grall <julien.grall@arm.com> To: Stefano Stabellini <sstabellini@kernel.org> Cc: xen-devel@lists.xenproject.org, Andrii_Anisov@epam.com, Oleksandr_Tyshchenko@epam.com Subject: Re: [Xen-devel] [PATCH MM-PART2 RESEND v2 06/19] xen/arm: Rework secondary_start prototype Date: Wed, 29 May 2019 18:06:18 +0100 [thread overview] Message-ID: <d91870a5-e8d5-2f6d-b8f5-839c9f206fab@arm.com> (raw) Message-ID: <20190529170618.-lvThHEpqUMyKyXvfIwGHK3kfSTuJKVWR0Tb86N9RFY@z> (raw) In-Reply-To: <alpine.DEB.2.21.1905201527460.16404@sstabellini-ThinkPad-T480s> Hi, On 20/05/2019 23:56, Stefano Stabellini wrote: > On Tue, 14 May 2019, Julien Grall wrote: >> None of the parameters of secondary_start are actually used. So turn >> secondary_start to a function with no parameters. >> >> Also modify the assembly code to avoid setting-up the registers before >> calling secondary_start. > > It is called "start_secondary" rather than "secondary_start". Please fix > the commit message. Then you can add Whoops, I will update it. > > Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > > >> Signed-off-by: Julien Grall <julien.grall@arm.com> I have also realized I forgot to add --- here. Thank you, >> >> - Re-order the patch with "xen/arm: Remove parameter cpuid from >> start_xen". >> --- >> xen/arch/arm/arm32/head.S | 4 ++-- >> xen/arch/arm/arm64/head.S | 3 ++- >> xen/arch/arm/smpboot.c | 4 +--- >> 3 files changed, 5 insertions(+), 6 deletions(-) >> >> diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S >> index cb8a3bf829..9f40face98 100644 >> --- a/xen/arch/arm/arm32/head.S >> +++ b/xen/arch/arm/arm32/head.S >> @@ -445,9 +445,9 @@ launch: >> ldr sp, [r0] >> add sp, #STACK_SIZE /* (which grows down from the top). */ >> sub sp, #CPUINFO_sizeof /* Make room for CPU save record */ >> - mov r0, r10 /* Marshal args: - phys_offset */ >> - mov r1, r8 /* - DTB address */ >> teq r12, #0 >> + moveq r0, r10 /* Marshal args: - phys_offset */ >> + moveq r1, r8 /* - DTB address */ >> beq start_xen /* and disappear into the land of C */ >> b start_secondary /* (to the appropriate entry point) */ >> >> diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S >> index 075013878e..cb30d6f22e 100644 >> --- a/xen/arch/arm/arm64/head.S >> +++ b/xen/arch/arm/arm64/head.S >> @@ -582,9 +582,10 @@ launch: >> sub x0, x0, #CPUINFO_sizeof /* Make room for CPU save record */ >> mov sp, x0 >> >> + cbnz x22, 1f >> + >> mov x0, x20 /* Marshal args: - phys_offset */ >> mov x1, x21 /* - FDT */ >> - cbnz x22, 1f >> b start_xen /* and disappear into the land of C */ >> 1: >> b start_secondary /* (to the appropriate entry point) */ >> diff --git a/xen/arch/arm/smpboot.c b/xen/arch/arm/smpboot.c >> index f756444362..00b64c3322 100644 >> --- a/xen/arch/arm/smpboot.c >> +++ b/xen/arch/arm/smpboot.c >> @@ -297,9 +297,7 @@ smp_prepare_cpus(void) >> } >> >> /* Boot the current CPU */ >> -void start_secondary(unsigned long boot_phys_offset, >> - unsigned long fdt_paddr, >> - unsigned long hwid) >> +void start_secondary(void) >> { >> unsigned int cpuid = init_data.cpuid; >> >> -- >> 2.11.0 >> -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2019-05-29 17:06 UTC|newest] Thread overview: 114+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-14 12:24 [PATCH MM-PART2 RESEND v2 00/19] xen/arm: Clean-up & fixes in boot/mm code Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 01/19] xen/const: Extend the existing macro BIT to take a suffix in parameter Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-14 12:37 ` Jan Beulich 2019-05-14 12:37 ` [Xen-devel] " Jan Beulich 2019-05-20 21:43 ` Stefano Stabellini 2019-05-20 21:43 ` [Xen-devel] " Stefano Stabellini 2019-05-21 10:01 ` Andrii Anisov 2019-05-21 10:01 ` [Xen-devel] " Andrii Anisov 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 02/19] xen/arm: Rename SCTLR_* defines and remove unused one Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-20 21:46 ` Stefano Stabellini 2019-05-20 21:46 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 03/19] xen/arm: processor: Use BIT(.., UL) instead of _AC(1, U) in SCTLR_ defines Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-20 21:48 ` Stefano Stabellini 2019-05-20 21:48 ` [Xen-devel] " Stefano Stabellini 2019-05-21 10:01 ` Andrii Anisov 2019-05-21 10:01 ` [Xen-devel] " Andrii Anisov 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 04/19] xen/arm: Rework HSCTLR_BASE Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-20 22:56 ` Stefano Stabellini 2019-05-20 22:56 ` [Xen-devel] " Stefano Stabellini 2019-05-21 10:09 ` Julien Grall 2019-05-21 10:09 ` [Xen-devel] " Julien Grall 2019-05-29 16:54 ` Julien Grall 2019-05-29 16:54 ` [Xen-devel] " Julien Grall 2019-06-03 23:12 ` Stefano Stabellini 2019-06-03 23:12 ` [Xen-devel] " Stefano Stabellini 2019-06-04 10:27 ` Julien Grall 2019-06-04 17:41 ` Stefano Stabellini 2019-05-30 16:17 ` Andrii Anisov 2019-05-30 16:17 ` [Xen-devel] " Andrii Anisov 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 05/19] xen/arm: Remove parameter cpuid from start_xen Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-21 10:01 ` Andrii Anisov 2019-05-21 10:01 ` [Xen-devel] " Andrii Anisov 2019-06-06 17:15 ` Julien Grall 2019-06-07 22:39 ` Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 06/19] xen/arm: Rework secondary_start prototype Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-20 22:56 ` Stefano Stabellini 2019-05-20 22:56 ` [Xen-devel] " Stefano Stabellini 2019-05-29 17:06 ` Julien Grall [this message] 2019-05-29 17:06 ` Julien Grall 2019-05-30 16:18 ` Andrii Anisov 2019-05-30 16:18 ` [Xen-devel] " Andrii Anisov 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 07/19] xen/arm64: head: Remove unnecessary comment Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-20 22:56 ` Stefano Stabellini 2019-05-20 22:56 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 08/19] xen/arm64: head: Move earlyprintk messages in .rodata.str Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-20 22:56 ` Stefano Stabellini 2019-05-20 22:56 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 09/19] xen/arm64: head: Correctly report the HW CPU ID Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-20 22:56 ` Stefano Stabellini 2019-05-20 22:56 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 10/19] xen/arm32: " Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-03 22:45 ` Stefano Stabellini 2019-06-03 22:45 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 11/19] xen/arm32: head: Don't set MAIR0 and MAIR1 Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-03 22:47 ` Stefano Stabellini 2019-06-03 22:47 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 12/19] xen/arm32: head: Always zero r3 before update a page-table entry Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-21 10:03 ` Andrii Anisov 2019-05-21 10:03 ` [Xen-devel] " Andrii Anisov 2019-06-03 23:15 ` Stefano Stabellini 2019-06-03 23:15 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 13/19] xen/arm32: mm: Avoid to zero and clean cache for CPU0 domheap Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-03 23:20 ` Stefano Stabellini 2019-06-03 23:20 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 14/19] xen/arm32: mm: Avoid cleaning the cache for secondary CPUs page-tables Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-04 23:11 ` Stefano Stabellini 2019-06-05 10:19 ` Julien Grall 2019-06-10 10:15 ` Julien Grall 2019-06-10 20:28 ` Stefano Stabellini 2019-06-10 20:40 ` Julien Grall 2019-06-10 20:54 ` Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 15/19] xen/arm: mm: Introduce DEFINE_PAGE_TABLE{, S} and use it Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-03 23:29 ` Stefano Stabellini 2019-06-03 23:29 ` [Xen-devel] " Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 16/19] xen/arm: mm: Protect Xen page-table update with a spinlock Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-05-21 10:04 ` Andrii Anisov 2019-05-21 10:04 ` [Xen-devel] " Andrii Anisov 2019-06-04 23:11 ` Stefano Stabellini 2019-06-05 10:36 ` Julien Grall 2019-06-08 0:17 ` Stefano Stabellini 2019-06-13 12:06 ` Julien Grall 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 17/19] xen/arm: mm: Initialize page-tables earlier Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-04 23:12 ` Stefano Stabellini 2019-06-06 17:32 ` Julien Grall 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 18/19] xen/arm: mm: Check start is always before end in {destroy, modify}_xen_mappings Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-04 23:12 ` Stefano Stabellini 2019-05-14 12:24 ` [PATCH MM-PART2 RESEND v2 19/19] xen/arm: Pair call to set_fixmap with call to clear_fixmap in copy_from_paddr Julien Grall 2019-05-14 12:24 ` [Xen-devel] " Julien Grall 2019-06-04 17:59 ` Stefano Stabellini 2019-06-04 20:18 ` Julien Grall 2019-06-04 23:12 ` Stefano Stabellini 2019-06-06 17:38 ` Julien Grall 2019-05-29 17:23 ` [PATCH MM-PART2 RESEND v2 00/19] xen/arm: Clean-up & fixes in boot/mm code Julien Grall 2019-05-29 17:23 ` [Xen-devel] " Julien Grall 2019-06-13 12:09 ` 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=d91870a5-e8d5-2f6d-b8f5-839c9f206fab@arm.com \ --to=julien.grall@arm.com \ --cc=Andrii_Anisov@epam.com \ --cc=Oleksandr_Tyshchenko@epam.com \ --cc=sstabellini@kernel.org \ --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: linkBe 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).