Date: Wed, 25 May 2022 11:39:57 +0100 From: Andrew Turner <andrew@FreeBSD.org> To: "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@FreeBSD.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@FreeBSD.org> Subject: Re: git: e605b87a9e75 - main - Save only callee-saved registers in pcb Message-ID: <C936F118-BD6A-4129-92EB-3C0A6AD7A9D6@FreeBSD.org> In-Reply-To: <202205251038.24PAcmuH042357@gitrepo.freebsd.org> References: <202205251038.24PAcmuH042357@gitrepo.freebsd.org>
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> On 25 May 2022, at 11:38, Andrew Turner <andrew@FreeBSD.org> wrote: >=20 > The branch main has been updated by andrew: >=20 > URL: = https://cgit.FreeBSD.org/src/commit/?id=3De605b87a9e75a7f693527f0aad8189ae= 9db20f16 >=20 > commit e605b87a9e75a7f693527f0aad8189ae9db20f16 > Author: Dapeng Gao <peter@dpgao.cc> > AuthorDate: 2022-05-25 10:25:06 +0000 > Commit: Andrew Turner <andrew@FreeBSD.org> > CommitDate: 2022-05-25 10:26:30 +0000 >=20 > Save only callee-saved registers in pcb >=20 > On AArch64, registers x9-x18 are not callee-saved, yet they are > preserved at many placed in swtch.S. This patch removes code that > preserves these registers. PR: 262691 Andrew
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