diff for duplicates of <20210317005802.725825-36-sashal@kernel.org> diff --git a/a/1.txt b/N1/1.txt index 50c5b23..00f8409 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -11,9 +11,9 @@ ia64 has two ways to call syscalls from userspace: via `break` and via The difference is in stack layout: -1. `eps` creates simple stack frame: no locals, in{0..7} = out{0..8} +1. `eps` creates simple stack frame: no locals, in{0..7} == out{0..8} 2. `break` uses userspace stack frame: may be locals (glibc provides - one), in{0..7} = out{0..8}. + one), in{0..7} == out{0..8}. Both work fine in syscall handling cde itself. @@ -78,7 +78,8 @@ index bf9c24d9ce84..54e12b0ecebd 100644 for (i = 0; i < count; i++) { + int j = ndirty + nlocals + i + args->i; if (args->rw) -- *ia64_rse_skip_regs(krbs, ndirty + i + args->i) - args->args[i]; +- *ia64_rse_skip_regs(krbs, ndirty + i + args->i) = +- args->args[i]; + *ia64_rse_skip_regs(krbs, j) = args->args[i]; else - args->args[i] = *ia64_rse_skip_regs(krbs, diff --git a/a/content_digest b/N1/content_digest index 1416c7d..f059f9c 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,7 +1,7 @@ "ref\020210317005802.725825-1-sashal@kernel.org\0" "From\0Sasha Levin <sashal@kernel.org>\0" "Subject\0[PATCH AUTOSEL 5.4 36/37] ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls\0" - "Date\0Wed, 17 Mar 2021 00:58:01 +0000\0" + "Date\0Tue, 16 Mar 2021 20:58:01 -0400\0" "To\0linux-kernel@vger.kernel.org" " stable@vger.kernel.org\0" "Cc\0Sergei Trofimovich <slyfox@gentoo.org>" @@ -27,9 +27,9 @@ "\n" "The difference is in stack layout:\n" "\n" - "1. `eps` creates simple stack frame: no locals, in{0..7} = out{0..8}\n" + "1. `eps` creates simple stack frame: no locals, in{0..7} == out{0..8}\n" "2. `break` uses userspace stack frame: may be locals (glibc provides\n" - " one), in{0..7} = out{0..8}.\n" + " one), in{0..7} == out{0..8}.\n" "\n" "Both work fine in syscall handling cde itself.\n" "\n" @@ -94,7 +94,8 @@ " \tfor (i = 0; i < count; i++) {\n" "+\t\tint j = ndirty + nlocals + i + args->i;\n" " \t\tif (args->rw)\n" - "-\t\t\t*ia64_rse_skip_regs(krbs, ndirty + i + args->i) -\t\t\t\targs->args[i];\n" + "-\t\t\t*ia64_rse_skip_regs(krbs, ndirty + i + args->i) =\n" + "-\t\t\t\targs->args[i];\n" "+\t\t\t*ia64_rse_skip_regs(krbs, j) = args->args[i];\n" " \t\telse\n" "-\t\t\targs->args[i] = *ia64_rse_skip_regs(krbs,\n" @@ -106,4 +107,4 @@ "-- \n" 2.30.1 -a563ff99cec2ad300d0efb8f42da4bf0d413a8ae3d747fe9c3b8ac4649f4b38b +5e65e9d8c7214e8b4502475c95b85b4fd10c0212fc66ec934e033ace64afbf97
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